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Masaharu Yoshihara

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Akemi Takamura; Shinji Tanaka; Masaharu Yoshihara; Tomoyuki Boda; Masanori Ito; Yoko Matsumoto; Kazuaki Chayama
High expression of gastrin receptor protein in injured mucosa of Helicobacter pylori-positive gastritis.
Takayasu Kuwabara; Shiro Oka; Fumio Shimamoto; Shinji Tanaka; Yuji Urabe; Masaharu Yoshihara; Koji Arihiro; Toru Hiyama; Kazuaki Chayama
Clinical features of pharyngeal intraepithelial neoplasias and outcomes of treatment by endoscopic submucosal dissection.
Masana Tatsugami; Masaharu Yoshihara; Ken Haruma; Masanori Ito; Hirofumi Matsui; Shinji Tanaka; Kazuaki Chayama
Bile acid promotes intestinal metaplasia and gastric carcinogenesis.

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2013: Akemi Takamura; Shinji Tanaka; Masaharu Yoshihara; Tomoyuki Boda; Masanori Ito; Yoko Matsumoto; Kazuaki Chayama
High expression of gastrin receptor protein in injured mucosa of Helicobacter pylori-positive gastritis.
Digestive diseases and sciences 2013;58(3):634-40.
2012: Takayasu Kuwabara; Shiro Oka; Fumio Shimamoto; Shinji Tanaka; Yuji Urabe; Masaharu Yoshihara; Koji Arihiro; Toru Hiyama; Kazuaki Chayama
Clinical features of pharyngeal intraepithelial neoplasias and outcomes of treatment by endoscopic submucosal dissection.
Gastrointestinal endoscopy 2012;76(6):1095-103.
2012: Masana Tatsugami; Masaharu Yoshihara; Ken Haruma; Masanori Ito; Hirofumi Matsui; Shinji Tanaka; Kazuaki Chayama
Bile acid promotes intestinal metaplasia and gastric carcinogenesis.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2012;21(11):2101-7.
2012: Keiichi Onji; Yoshito Takemura; Shinji Tanaka; Hiroyasu Yamada; Shigeto Yoshida; Masaharu Yoshihara; Shiro Oka; Masazumi Okajima; Kazuaki Chayama
Microvascular structure and perfusion imaging of colon cancer by means of contrast-enhanced ultrasonography.
Abdominal imaging 2012;37(2):297-303.
2012: Masanori Ito; Taiji Matsuo; Shunsuke Takata; Shinji Tanaka; Yoshihiro Wada; Masaharu Yoshihara; Tomoyuki Boda; Kazuaki Chayama
Serum screening for detection of high-risk group for early-stage diffuse type gastric cancer in Japanese.
Journal of gastroenterology and hepatology 2012;27(3):598-602.
2012: Takayasu Kuwabara; Shiro Oka; Shinji Tanaka; Kazuaki Chayama; Toru Hiyama; Masaharu Yoshihara
Compliance with standard precautions among gastrointestinal endoscopists and endoscopy nurses in Japan.
American journal of infection control 2012;40(1):80.
2011: Taiji Matsuo; Shunsuke Takata; Shinji Tanaka; Masaharu Yoshihara; Masanori Ito; Kazuaki Chayama
Low prevalence of Helicobacter pylori-negative gastric cancer among Japanese.
Helicobacter 2011;16(6):415-9.
2011: Takako Shimomura; Shinji Tanaka; Masaharu Yoshihara; Toru Hiyama; Shiro Oka; Fumio Shimamoto; Kazuaki Chayama
Frequent somatic mutations of mitochondrial DNA in traditional serrated adenomas but not in sessile serrated adenomas of the colorectum.
Journal of gastroenterology and hepatology 2011;26(10):1565-9.
2011: Takayasu Kuwabara; Yuji Urabe; Toru Hiyama; Shinji Tanaka; Takako Shimomura; Shiro Oko; Masaharu Yoshihara; Kazuaki Chayama
Prevalence and impact of musculoskeletal pain in Japanese gastrointestinal endoscopists: a controlled study.
World journal of gastroenterology : WJG 2011;17(11):1488-93.
2011: Masana Tatsugami; Yoshihiro Wada; Masaharu Yoshihara; Ken Haruma; Shinobu Imagawa; Kazuhiko Ishihara; Masanori Ito; Shosuke Kitamura; Yoshiaki Matsumoto; Atsunori Sasaki; Masaharu Sumii; Akemi Takamura; Shunsuke Takata; Shinji Tanaka; Kazuaki Chayama
Plaunotol induces a comparative increase of acidic mucin fraction in gastric juice.
Hepato-gastroenterology 2011;58(106):663-8.
2011: Yuji Urabe; Toru Hiyama; Shinji Tanaka; Masaharu Yoshihara; Koji Arihiro; Kazuaki Chayama
Advantages of endoscopic submucosal dissection versus endoscopic oblique aspiration mucosectomy for superficial esophageal tumors.
Journal of gastroenterology and hepatology 2011;26(2):275-80.
2011: Takayasu Kuwabara; Toru Hiyama; Shinji Tanaka; Masaharu Yoshihara; Koji Arihiro; Kazuaki Chayama
Genetic pathways of multiple esophageal squamous cell carcinomas.
Oncology reports 2011;25(2):453-9.
2010: Shinobu Imagawa; Masanori Ito; Masaharu Yoshihara; Hidetaka Eguchi; Shinji Tanaka; Kazuaki Chayama
Helicobacter pylori dupA and gastric acid secretion are negatively associated with gastric cancer development.
Journal of medical microbiology 2010;59(Pt 12):1484-9.
2010: Aki Matsumoto; Shinji Tanaka; Sayaka Oba; Hiroyuki Kanao; Shiro Oka; Masaharu Yoshihara; Kazuaki Chayama
Outcome of endoscopic submucosal dissection for colorectal tumors accompanied by fibrosis.
Scandinavian journal of gastroenterology 2010;45(11):1329-37.
2010: Shiro Oka; Shinji Tanaka; Shigeto Yoshida; Toru Hiyama; Yoshitaka Ueno; Masanori Ito; Yasuhiko Kitadai; Masaharu Yoshihara; Kazuaki Chayama
A water-soluble extract from culture medium of Ganoderma lucidum mycelia suppresses the development of colorectal adenomas.
Hiroshima journal of medical sciences 2010;59(1):1-6.
2010: Tatsuma Fukuhara; Toru Hiyama; Shinji Tanaka; Shiro Oka; Masaharu Yoshihara; Koji Arihiro; Kazuaki Chayama
Characteristics of esophageal squamous cell carcinomas and lugol-voiding lesions in patients with head and neck squamous cell carcinoma.
Journal of clinical gastroenterology 2010;44(2):e27-33.
2010: T Shimomura; Toru Hiyama; Shinji Tanaka; Masaharu Yoshihara; Koji Arihiro; Kazuaki Chayama
Synchronous and subsequent lesions of serrated adenomas and tubular adenomas of the colorectum.
Pathobiology : journal of immunopathology, molecular and cellular biology 2010;77(5):273-7.
2009: Toru Hiyama; Keitaro Matsuo; Yuji Urabe; Tatsuma Fukuhara; Shinji Tanaka; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Meta-analysis used to identify factors associated with the effectiveness of proton pump inhibitors against non-erosive reflux disease.
Journal of gastroenterology and hepatology 2009;24(8):1326-32.
2009: Tomonori Sumida; Yasuhiko Kitadai; Toru Hiyama; Kei Shinagawa; Miwako Tanaka; Michiyo Kodama; Hiroshi Masuda; Masanori Ito; Shinji Tanaka; Masaharu Yoshihara; Kazuaki Chayama
Antibodies to Helicobacter pylori and CagA protein are associated with the response to antibacterial therapy in patients with H. pylori-positive API2-MALT1-negative gastric MALT lymphoma.
Cancer science 2009;100(6):1075-81.
2009: Yoshihiro Wada; Masanori Ito; Shunsuke Takata; Shosuke Kitamura; Akemi Takamura; Masana Tatsugami; Shinobu Imagawa; Yoshiaki Matsumoto; Shinji Tanaka; Masaharu Yoshihara; Kazuaki Chayama
Little necessity of acid inhibition against proton pump inhibitor rebound effects and prior helicobacter pylori eradication therapy in gastric ulcer patients: a randomized prospective study.
Hepato-gastroenterology 2009;56(91-92):624-8.
2009: Ritsuo Mouri; Shigeto Yoshida; Shinji Tanaka; Shiro Oka; Masaharu Yoshihara; Kazuaki Chayama
Evaluation and validation of computed virtual chromoendoscopy in early gastric cancer.
Gastrointestinal endoscopy 2009;69(6):1052-8.
2009: Y Urabe; T Hiyama; Shinji Tanaka; Shiro Oka; Masaharu Yoshihara; Koji Arihiro; Kazuaki Chayama
Metachronous multiple esophageal squamous cell carcinomas and Lugol-voiding lesions after endoscopic mucosal resection.
Endoscopy 2009;41(4):304-9.
2009: Toru Hiyama; Masaharu Yoshihara; Shinji Tanaka; Ken Haruma; Kazuaki Chayama
Effectiveness of prokinetic agents against diseases external to the gastrointestinal tract.
Journal of gastroenterology and hepatology 2009;24(4):537-46.
2009: Ritsuo Mouri; Shigeto Yoshida; Shinji Tanaka; Shiro Oka; Masaharu Yoshihara; Kazuaki Chayama
Usefulness of endoscopic ultrasonography in determining the depth of invasion and indication for endoscopic treatment of early gastric cancer.
Journal of clinical gastroenterology 2009;43(4):318-22.
2009: Toshiki Yamaguchi; Shigeto Yoshida; Shinji Tanaka; Yoshito Takemura; Shiro Oka; Masaharu Yoshihara; Hiroyasu Yamada; Kazuaki Chayama
Predicting the clinical response to cytapheresis in steroid-refractory or -dependent ulcerative colitis using contrast-enhanced ultrasonography.
Scandinavian journal of gastroenterology 2009;44(7):831-7.
2009: Shunsuke Takata; Masanori Ito; Yoshihiro Wada; Masaharu Yoshihara; Shinji Tanaka; Kazuaki Chayama
Pathogenetic role of the tyrosine-phosphorylated CagA EPIYA sequence of Helicobacter pylori in histological gastritis in Japanese patients.
Journal of gastroenterology 2009;44(5):405-11.
2008: Tsuyoshi Kuroda; Masanori Ito; Yoshihiro Wada; Yasuhiko Kitadai; Shinji Tanaka; Kazuhiro Yoshida; Masaharu Yoshihara; Ken Haruma; Sven Merdh; Kazuaki Chayama
Presence of poorly differentiated component correlated with submucosal invasion in the early diffuse-type gastric cancer.
Hepato-gastroenterology 2008;55(88):2264-8.
2008: Madoka Nakao; Shigeto Yoshida; Shinji Tanaka; Yoshito Takemura; Shiro Oka; Masaharu Yoshihara; Kazuaki Chayama
Optical biopsy of early gastroesophageal cancer by catheter-based reflectance-type laser-scanning confocal microscopy.
Journal of biomedical optics 2008;13(5):054043.
2008: Shinobu Imagawa; Masaharu Yoshihara; Masanori Ito; Shigeto Yoshida; Yoshihiro Wada; Masana Tatsugami; Akemi Takamura; Shinji Tanaka; Ken Haruma; Kazuaki Chayama
Evaluation of gastric cancer risk using topography of histological gastritis: a large-scaled cross-sectional study.
Digestive diseases and sciences 2008;53(7):1818-23.
2008: Toru Hiyama; Masaharu Yoshihara; Shinji Tanaka; Ken Haruma; Kazuaki Chayama
Strategy for treatment of nonerosive reflux disease in Asia.
World journal of gastroenterology : WJG 2008;14(20):3123-8.
2008: Toru Hiyama; Masaharu Yoshihara; Shinji Tanaka; Kazuaki Chayama
Genetic polymorphisms and head and neck cancer risk (Review).
International journal of oncology 2008;32(5):945-73.
2008: Miwako Tanaka; Yasuhiko Kitadai; Michiyo Kodama; Tomonori Sumida; Kei Shinagawa; Kyoko Yoshioka; Yutaka Mitsuoka; Hiroshi Masuda; Toru Hiyama; Shinji Tanaka; Masaharu Yoshihara; Kazuaki Chayama
[A case report of anaphylactoid purpura with acute abdominal pain secondary to trauma caused by traffic accident].
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology 2008;105(4):566-71.
2008: M Kodama; Yasuhiko Kitadai; T Shishido; Masaru Shimamoto; Akira Fukumoto; H Masuda; Shinji Tanaka; Masaharu Yoshihara; A Sakai; H Nakayama; Kazuaki Chayama
Primary follicular lymphoma of the gastrointestinal tract: a retrospective case series.
Endoscopy 2008;40(4):343-6.
2008: Hiroyuki Kanao; Shinji Tanaka; Shiro Oka; Iwao Kaneko; Shigeto Yoshida; Koji Arihiro; Masaharu Yoshihara; Kazuaki Chayama
Clinical significance of type V(I) pit pattern subclassification in determining the depth of invasion of colorectal neoplasms.
World journal of gastroenterology : WJG 2008;14(2):211-7.
2007: Mayuko Hirata; Shinji Tanaka; Shiro Oka; Iwao Kaneko; Shigeto Yoshida; Masaharu Yoshihara; Kazuaki Chayama
Evaluation of microvessels in colorectal tumors by narrow band imaging magnification.
Gastrointestinal endoscopy 2007;66(5):945-52.
2007: Toru Hiyama; Masaharu Yoshihara; Shinji Tanaka; Kazuaki Chayama
Genetic polymorphisms and esophageal cancer risk.
International journal of cancer. Journal international du cancer 2007;121(8):1643-58.
2007: Toru Hiyama; Masaharu Yoshihara; Keitaro Matsuo; Hiroaki Kusunoki; Tomoari Kamada; Masanori Ito; Shinji Tanaka; Kazuaki Chayama; Ken Haruma
Treatment of functional dyspepsia with serotonin agonists: a meta-analysis of randomized controlled trials.
Journal of gastroenterology and hepatology 2007;22(10):1566-70.
2007: Xue Fei Xie; Masanori Ito; Masaharu Yoshihara; Ken Haruma; Shinji Tanaka; Kazuaki Chayama
Serum pepsinogen levels in the Japanese population: prospective study of 9 years of follow-up.
Hepato-gastroenterology 2007;54(78):1887-90.
2007: Shinichi Mukai; Toru Hiyama; Shinji Tanaka; Masaharu Yoshihara; Koji Arihiro; Kazuaki Chayama
Involvement of Kruppel-like factor 6 (KLF6) mutation in the development of nonpolypoid colorectal carcinoma.
World journal of gastroenterology : WJG 2007;13(29):3932-8.
2007: Shigeto Yoshida; Shinji Tanaka; Mayuko Hirata; Ritsuo Mouri; Iwao Kaneko; Shiro Oka; Masaharu Yoshihara; Kazuaki Chayama
Optical biopsy of GI lesions by reflectance-type laser-scanning confocal microscopy.
Gastrointestinal endoscopy 2007;66(1):144-9.
2007: Masaharu Yoshihara; Toru Hiyama; Shigeto Yoshida; Masanori Ito; Shinji Tanaka; Yoshiyuki Watanabe; Ken Haruma
Reduction in gastric cancer mortality by screening based on serum pepsinogen concentration: a case-control study.
Scandinavian journal of gastroenterology 2007;42(6):760-4.
2007: Mayuko Hirata; Shinji Tanaka; Shiro Oka; Iwao Kaneko; Shigeto Yoshida; Masaharu Yoshihara; Kazuaki Chayama
Magnifying endoscopy with narrow band imaging for diagnosis of colorectal tumors.
Gastrointestinal endoscopy 2007;65(7):988-95.
2007: Yasuo Egi; Masanori Ito; Shinji Tanaka; Shinobu Imagawa; Shunsuke Takata; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Role of Helicobacter pylori infection and chronic inflammation in gastric cancer in the cardia.
Japanese journal of clinical oncology 2007;37(5):365-9.
2007: Shunsuke Takata; Masanori Ito; Masaharu Yoshihara; Shinji Tanaka; Shinobu Imagawa; Ken Haruma; Kazuaki Chayama
Host factors contributing to the discovery of gastric cancer after successful eradication therapy of Helicobacter pylori: preliminary report.
Journal of gastroenterology and hepatology 2007;22(4):571-6.
2007: Toru Hiyama; Masaharu Yoshihara; Keitaro Matsuo; Hiroaki Kusunoki; Tomoari Kamada; Masanori Ito; Shinji Tanaka; Nobuo Nishi; Kazuaki Chayama; Ken Haruma
Meta-analysis of the effects of prokinetic agents in patients with functional dyspepsia.
Journal of gastroenterology and hepatology 2007;22(3):304-10.
2007: Shigeru Kimura; Shinji Tanaka; Hiroaki Kusunoki; Yasuhiko Kitadai; Masaharu Sumii; Susumu Tazuma; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Cavernous hemangioma in the ascending colon treated by endoscopic mucosal resection.
Journal of gastroenterology and hepatology 2007;22(2):280-1.
2007: Michiyo Kodama; Yasuhiko Kitadai; Masanori Ito; Hirohisa Kai; Hiroshi Masuda; Shinji Tanaka; Masaharu Yoshihara; Kingo Fujimura; Kazuaki Chayama
Immune response to CagA protein is associated with improved platelet count after Helicobacter pylori eradication in patients with idiopathic thrombocytopenic purpura.
Helicobacter 2007;12(1):36-42.
2007: Xue Fei Xie; Masanori Ito; Masaharu Sumii; Shinji Tanaka; Masaharu Yoshihara; Kazuaki Chayama
Helicobacter pylori-associated gastritis is related to babA2 expression without heterogeneity of the 3' region of the cagA genotype in gastric biopsy specimens.
Pathobiology : journal of immunopathology, molecular and cellular biology 2007;74(5):309-16.
2007: Iwao Kaneko; Shinji Tanaka; Shiro Oka; Toru Kawamura; Toru Hiyama; Masanori Ito; Masaharu Yoshihara; Fumio Shimamoto; Kazuaki Chayama
Lymphatic vessel density at the site of deepest penetration as a predictor of lymph node metastasis in submucosal colorectal cancer.
Diseases of the colon and rectum 2007;50(1):13-21.
2006: Toru Hiyama; Masaharu Yoshihara; Shinji Tanaka; Yuji Urabe; Yoshihiko Ikegami; Tatsuma Fukuhara; Kazuaki Chayama
Defensive medicine practices among gastroenterologists in Japan.
World journal of gastroenterology : WJG 2006;12(47):7671-5.
2006: Shiro Oka; Shinji Tanaka; Iwao Kaneko; Ritsuo Mouri; Mayuko Hirata; Toru Kawamura; Masaharu Yoshihara; Kazuaki Chayama
Advantage of endoscopic submucosal dissection compared with EMR for early gastric cancer.
Gastrointestinal endoscopy 2006;64(6):877-83.
2006: Songde Cho; Yasuhiko Kitadai; Shigeto Yoshida; Shinji Tanaka; Masaharu Yoshihara; Kazuhiro Yoshida; Kazuaki Chayama
Genetic and pathologic characteristics of gastrointestinal stromal tumors in extragastric lesions.
International journal of molecular medicine 2006;18(6):1067-71.
2006: Toru Hiyama; Shinji Tanaka; Masaharu Yoshihara; Tatsuma Fukuhara; Shinichi Mukai; Kazuaki Chayama
Medical malpractice litigation related to gastrointestinal endoscopy in Japan: a two-decade review of civil court cases.
World journal of gastroenterology : WJG 2006;12(42):6857-60.
2006: Shiro Oka; Shinji Tanaka; Iwao Kaneko; Ritsuo Mouri; Mayuko Hirata; Hiroyuki Kanao; Toru Kawamura; Shigeto Yoshida; Masaharu Yoshihara; Kazuaki Chayama
Endoscopic submucosal dissection for residual/local recurrence of early gastric cancer after endoscopic mucosal resection.
Endoscopy 2006;38(10):996-1000.
2006: Hideyuki Shima; Toru Hiyama; Shinji Tanaka; Masaharu Yoshihara; Koji Arihiro; Kazuaki Chayama
Genetic progression and divergence in superficial esophageal squamous cell carcinoma by loss of heterozygosity analysis.
Oncology reports 2006;16(4):685-91.
2006: Shogo Sasao; Toru Hiyama; Shinji Tanaka; Shinichi Mukai; Masaharu Yoshihara; Kazuaki Chayama
Medical malpractice litigation in gastroenterological practice in Japan: a 22-yr review of civil court cases.
The American journal of gastroenterology 2006;101(9):1951-3.
2006: Yoshitaka Ueno; Shinji Tanaka; Hiroyuki Kanao; Kyoko Yoshioka; Tsuyoshi Hatakeyama; Masaru Shimamoto; Yoshihiro Miyanaka; Toru Hiyama; Masanori Ito; Yasuhiko Kitadai; Masaharu Yoshihara; Kazuaki Chayama
A case of Crohn's disease with hydronephrosis caused by ureteropelvic junction obstruction.
European journal of gastroenterology & hepatology 2006;18(9):1015-8.
2006: Yasuo Egi; Sunjin Kim; Masanori Ito; Shinji Tanaka; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Helicobacter pylori infection is the major risk factor for gastric inflammation in the cardia.
Digestive diseases and sciences 2006;51(9):1582-8.
2006: Shogo Sasao; Toru Hiyama; Shinji Tanaka; Masaharu Yoshihara; Wataru Yasui; Kazuaki Chayama
Clinicopathologic and genetic characteristics of gastric cancer in young male and female patients.
Oncology reports 2006;16(1):11-5.
2006: Takehiko Ochiumi; Yasuhiko Kitadai; Shinji Tanaka; Morihisa Akagi; Masaharu Yoshihara; Kazuaki Chayama
Neuropilin-1 is involved in regulation of apoptosis and migration of human colon cancer.
International journal of oncology 2006;29(1):105-16.
2006: Songde Cho; Yasuhiko Kitadai; Shigeto Yoshida; Shinji Tanaka; Masaharu Yoshihara; Kazuhiro Yoshida; Kazuaki Chayama
Deletion of the KIT gene is associated with liver metastasis and poor prognosis in patients with gastrointestinal stromal tumor in the stomach.
International journal of oncology 2006;28(6):1361-7.
2006: Hiroyuki Ueda; Masanori Ito; Shinji Tanaka; Shiro Oka; Shunsuke Takata; Shinobu Imagawa; Xue Fei Xie; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
The effect of Helicobacter pylori eradication therapy on gastric ulcer healing after endoscopic mucosal resection.
Journal of clinical gastroenterology 2006;40(4):293-6.
2006: Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Goro Kajiyama; Kazuya Kira; Harunobu Amagase; Kazuaki Chayama
Aged garlic extract has potential suppressive effect on colorectal adenomas in humans.
The Journal of nutrition 2006;136(3 Suppl):821S-826S.
2006: Kazuhiro Kose; Toru Hiyama; Shinji Tanaka; Masaharu Yoshihara; Wataru Yasui; Kazuaki Chayama
Nuclear and mitochondrial DNA microsatellite instability in gastrointestinal stromal tumors.
Pathobiology : journal of immunopathology, molecular and cellular biology 2006;73(2):93-7.
2006: Hiroyuki Ueda; Masanori Ito; Hidetaka Eguchi; Shinji Tanaka; Masaharu Yoshihara; Ken Haruma; Masanori Hatakeyama; Kazuaki Chayama
Development of a novel method to detect Helicobacter pylori cagA genotype from paraffin-embedded materials: comparison between patients with duodenal ulcer and gastric cancer in young Japanese.
Digestion 2006;73(1):47-53.
2005: Tsuyoshi Kuroda; Yasuhiko Kitadai; Shinji Tanaka; Xiaoqin Yang; Naofumi Mukaida; Masaharu Yoshihara; Kazuaki Chayama
Monocyte chemoattractant protein-1 transfection induces angiogenesis and tumorigenesis of gastric carcinoma in nude mice via macrophage recruitment.
Clinical cancer research : an official journal of the American Association for Cancer Research 2005;11(21):7629-36.
2005: Kazuhiro Kose; Toru Hiyama; Shinji Tanaka; Masaharu Yoshihara; Wataru Yasui; Kazuaki Chayama
Somatic mutations of mitochondrial DNA in digestive tract cancers.
Journal of gastroenterology and hepatology 2005;20(11):1679-84.
2005: Shinji Nagata; Shinji Tanaka; Masanori Ito; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Cardiac glands hyperplastic polyp of the stomach.
Journal of gastroenterology and hepatology 2005;20(9):1461-3.
2005: Masanori Ito; Shinji Tanaka; Sunjin Kim; Kazumasa Tahara; Yuzuru Kawamura; Masaharu Sumii; Yoshihiko Takehara; Kozo Hayashi; Eiichi Okamoto; Masaki Kunihiro; Toshiro Kunita; Shinobu Imagawa; Shunsuke Takata; Hiroyuki Ueda; Yasuo Egi; Toru Hiyama; Yoshitaka Ueno; Yasuhiko Kitadai; Masaharu Yoshihara; Kazuaki Chayama
A combination of the Helicobacter pylori stool antigen test and urea breath test is useful for clinical evaluation of eradication therapy: a multicenter study.
Journal of gastroenterology and hepatology 2005;20(8):1241-5.
2005: Masanori Ito; Shinji Tanaka; Shunsuke Takata; Shiro Oka; Shinobu Imagawa; Hiroyuki Ueda; Yasuo Egi; Yasuhiko Kitadai; W Yasui; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Morphological changes in human gastric tumours after eradication therapy of Helicobacter pylori in a short-term follow-up.
Alimentary pharmacology & therapeutics 2005;21(5):559-66.
2005: Hideyuki Shima; Toru Hiyama; Shinji Tanaka; Masanori Ito; Yasuhiko Kitadai; Masaharu Yoshihara; Koji Arihiro; Kazuaki Chayama
Loss of heterozygosity on chromosome 10p14-p15 in colorectal carcinoma.
Pathobiology : journal of immunopathology, molecular and cellular biology 2005;72(4):220-4.
2005: Yoshitaka Ueno; Shinji Tanaka; Masaru Shimamoto; Yoshihiro Miyanaka; Toru Hiyama; Masanori Ito; Yasuhiko Kitadai; Masaharu Yoshihara; Masaharu Sumii; Kazuaki Chayama
Infliximab therapy for Crohn's disease in a patient with chronic hepatitis B.
Digestive diseases and sciences 2005;50(1):163-6.
2004: Shinji Tanaka; Ken Haruma; Masaki Kunihiro; Shinji Nagata; Yasuhiko Kitadai; Noriaki Manabe; Masaharu Sumii; Masaharu Yoshihara; Goro Kajiyama; Kazuaki Chayama
Effects of aged garlic extract (AGE) on colorectal adenomas: a double-blinded study.
Hiroshima journal of medical sciences 2004;53(3-4):39-45.
2004: Masaki Kunihiro; Shinji Tanaka; Masaharu Sumii; Yoshitaka Ueno; Masanori Ito; Yasuhiko Kitadai; Masaharu Yoshihara; Fumio Shimamoto; Ken Haruma; Kazuaki Chayama
Magnifying colonoscopic features of ulcerative colitis reflect histologic inflammation.
Inflammatory bowel diseases 2004;10(6):737-44.
2004: Hideyuki Shima; Toru Hiyama; Shinji Tanaka; Masanori Ito; Yasuhiko Kitadai; Masaharu Yoshihara; Koji Arihiro; Ken Haruma; Kazuaki Chayama
Frequent loss of heterozygosity on chromosome 10p14-p15 in esophageal dysplasia and squamous cell carcinoma.
Oncology reports 2004;12(2):333-7.
2004: Toru Hiyama; Shinji Tanaka; Masaharu Yoshihara; Shogo Sasao; Kazuhiro Kose; Hideyuki Shima; Handan Tuncel; Yoshitaka Ueno; Masanori Ito; Yasuhiko Kitadai; Wataru Yasui; Ken Haruma; Kazuaki Chayama
Chromosomal and microsatellite instability in sporadic gastric cancer.
Journal of gastroenterology and hepatology 2004;19(7):756-60.
2004: S Kim; K Harum; Masanori Ito; Shinji Tanaka; Masaharu Yoshihara; Kazuaki Chayama
Magnifying gastroendoscopy for diagnosis of histologic gastritis in the gastric antrum.
Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver 2004;36(4):286-91.
2004: Shiro Oka; Shinji Tanaka; Toru Hiyama; Masanori Ito; Yasuhiko Kitadai; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Clinicopathologic and endoscopic features of colorectal serrated adenoma: differences between polypoid and superficial types.
Gastrointestinal endoscopy 2004;59(2):213-9.
2004: Yasuhiko Kitadai; Seiji Onogawa; Toshio Kuwai; Shunji Matsumura; Hiroshige Hamada; Masanori Ito; Shinji Tanaka; Masaharu Yoshihara; Kazuaki Chayama
Angiogenic switch occurs during the precancerous stage of human esophageal squamous cell carcinoma.
Oncology reports 2004;11(2):315-9.
2004: Atsunori Sasaki; Yasuhiko Kitadai; Masanori Ito; Shinji Tanaka; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Mucin phenotype and background mucosa of intramucosal differentiated-type adenocarcinoma of the stomach.
Oncology 2004;66(5):379-87.
2004: Hiroshi Masuda; Toru Hiyama; Masaharu Yoshihara; Shinji Tanaka; Ken Haruma; Kazuaki Chayama
Characteristics and trends of clarithromycin-resistant Helicobacter pylori isolates in Japan over a decade.
Pathobiology : journal of immunopathology, molecular and cellular biology 2004;71(3):159-63.
2004: Toru Amioka; Yasuhiko Kitadai; Toru Hiyama; Shinji Tanaka; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Expression of human telomerase reverse transcriptase mRNA in esophageal cancers and precancerous lesions.
Oncology reports 2004;11(1):51-5.
2003: Shiro Oka; Shinji Tanaka; Shinji Nagata; Toru Hiyama; Masanori Ito; Yasuhiko Kitadai; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Clinicopathologic features and endoscopic resection of early primary nonampullary duodenal carcinoma.
Journal of clinical gastroenterology 2003;37(5):381-6.
2003: Toru Hiyama; Shinji Tanaka; Hideyuki Shima; Kazuhiro Kose; Handan Tuncel; Masanori Ito; Yasuhiko Kitadai; Masaharu Sumii; Masaharu Yoshihara; Fumio Shimamoto; Ken Haruma; Kazuaki Chayama
Somatic mutation in mitochondrial DNA and nuclear microsatellite instability in gastric cancer.
Oncology reports 2003;10(6):1837-41.
2003: Toru Hiyama; Shinji Tanaka; Hiroshi Masuda; Hideyuki Shima; Kazuhiro Kose; Handan Tuncel; Masanori Ito; Yasuhiko Kitadai; Masaharu Sumii; Naomi Uemura; Masaharu Yoshihara; Fumio Shimamoto; Ken Haruma; Kazuaki Chayama
Prevalence of Helicobacter pylori resistance to clarithromycin and metronidazole determined by 23S ribosomal RNA and rdxA gene analyses in Hiroshima, Japan.
Journal of gastroenterology and hepatology 2003;18(10):1202-7.
2003: Toshio Kuwai; Shinji Tanaka; Eijiro Kaio; Toru Hiyama; Masanori Ito; Yasuhiko Kitadai; Masaharu Sumii; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Clinical significance of Fhit expression in development of colorectal carcinoma of various macroscopic types.
International journal of molecular medicine 2003;12(4):437-42.
2003: Hiroshi Masuda; Toru Hiyama; Masaharu Yoshihara; Shinji Tanaka; Fumio Shimamoto; Ken Haruma; Kazuaki Chayama
Necessity of multiple gastric biopsies from different sites for detection of clarithromycin-resistant Helicobacter pylori strains.
Scandinavian journal of gastroenterology 2003;38(9):942-6.
2003: Kanji Kodama; Koji Sumii; Masanori Kawano; Tamako Kido; Keiko Nojima; Masaharu Sumii; Ken Haruma; Masaharu Yoshihara; Kazuaki Chayama
Gastric juice nitrite and vitamin C in patients with gastric cancer and atrophic gastritis: is low acidity solely responsible for cancer risk?
European journal of gastroenterology & hepatology 2003;15(9):987-93.
2003: Toru Hiyama; Shinji Tanaka; Hiroshi Masuda; Hideyuki Shima; Kazuhiro Kose; Handan Tuncel; Masanori Ito; Yasuhiko Kitadai; Masaharu Sumii; Naomi Uemura; Masaharu Yoshihara; Fumio Shimamoto; Ken Haruma; Kazuaki Chayama
p53 expression, K-ras gene mutation and microsatellite instability in gastric B-cell lymphomas.
Journal of gastroenterology and hepatology 2003;18(9):1047-53.
2003: Toru Hiyama; Shinji Tanaka; Hideyuki Shima; Kazuhiro Kose; Yasuhiko Kitadai; Masanori Ito; Masaharu Sumii; Masaharu Yoshihara; Fumio Shimamoto; Ken Haruma; Kazuaki Chayama
Frequent loss of heterozygosity on chromosome 10p15, a putative telomerase repressor/senescence gene locus, in gastric cancer.
Oncology reports 2003;10(5):1297-9.
2003: Toru Hiyama; Shinji Tanaka; Hideyuki Shima; Kazuhiro Kose; Yasuhiko Kitadai; Masanori Ito; Masaharu Sumii; Masaharu Yoshihara; Fumio Shimamoto; Ken Haruma; Kazuaki Chayama
Somatic mutation of mitochondrial DNA in Helicobacter pylori-associated chronic gastritis in patients with and without gastric cancer.
International journal of molecular medicine 2003;12(2):169-74.
2003: Tamako Kido; Koji Sumii; Masanori Kawano; Masaharu Sumii; Masaharu Yoshihara; Kazuaki Chayama
Food deprivation enhances somatostatin and somatostatin receptor subtype expression in rat colon.
Regulatory peptides 2003;114(2-3):167-73.
2003: Masanori Ito; Shinji Tanaka; Sunjin Kim; Toshio Kuwai; Norimasa Matsutani; Tomoari Kamada; Yasuhiko Kitadai; Masaharu Sumii; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
The specific expression of hypoxia inducible factor-1alpha in human gastric mucosa induced by nonsteroidal anti-inflammatory drugs.
Alimentary pharmacology & therapeutics 2003;18 Suppl 1():90-8.
2003: Atsunori Sasaki; Ken Haruma; Noriaki Manabe; Shinji Tanaka; Masaharu Yoshihara; Kazuaki Chayama
Long-term observation of reflux oesophagitis developing after Helicobacter pylori eradication therapy.
Alimentary pharmacology & therapeutics 2003;17(12):1529-34.
2003: Masaki Miyamoto; Ken Haruma; Masaharu Yoshihara; Toru Hiyama; Masaaki Sumioka; Takashi Nishisaka; Shinji Tanaka; Kazuaki Chayama
Nodular gastritis in adults is caused by Helicobacter pylori infection.
Digestive diseases and sciences 2003;48(5):968-75.
2003: Hideyuki Shima; Shinji Tanaka; Toshio Kuwai; Toru Hiyama; Yasuhiko Kitadai; Masaharu Sumii; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Minute depressed colon cancer with submucosal invasion.
Gastrointestinal endoscopy 2003;57(4):564-5.
2003: Masahiro Ohta; Yasuhiko Kitadai; Shinji Tanaka; Masaharu Yoshihara; Wataru Yasui; Naofumi Mukaida; Ken Haruma; Kazuaki Chayama
Monocyte chemoattractant protein-1 expression correlates with macrophage infiltration and tumor vascularity in human gastric carcinomas.
International journal of oncology 2003;22(4):773-8.
2003: Atsunori Sasaki; Yasuhiko Kitadai; Masanori Ito; Masaharu Sumii; Shinji Tanaka; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Helicobacter pylori infection influences tumor growth of human gastric carcinomas.
Scandinavian journal of gastroenterology 2003;38(2):153-8.
2003: Seiji Onogawa; Shinji Tanaka; Yasuhiko Kitadai; Masaharu Sumii; Masaharu Yoshihara; Fumio Shimamoto; Ken Haruma; Kazuaki Chayama
Small rectal carcinoid with lymph node metastasis diagnosed prior to treatment.
European journal of gastroenterology & hepatology 2003;15(2):195-7.
2003: Masaki Miyamoto; Ken Haruma; Masaharu Yoshihara; Masaaki Sumioka; Tomoari Kamada; Masanori Ito; Hiroshi Masuda; Takashi Nishisaka; Shinji Tanaka; Kazuaki Chayama
Isolated granulomatous gastritis successfully treated by Helicobacter pylori eradication: a possible association between granulomatous gastritis and Helicobacter pylori.
Journal of gastroenterology 2003;38(4):371-5.
2003: Kuninushi Kiyohira; Masaharu Yoshihara; Masanori Ito; Ken Haruma; Shinji Tanaka; Kazuaki Chayama
Serum pepsinogen concentration as a marker of Helicobacter pyloriinfection and the histologic grade of gastritis; evaluation of gastric mucosa by serum pepsinogen levels.
Journal of gastroenterology 2003;38(4):332-8.
2003: Ryoji Takahashi; Shinji Tanaka; Yasuhiko Kitadai; Masaharu Sumii; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Expression of vascular endothelial growth factor and angiogenesis in gastrointestinal stromal tumor of the stomach.
Oncology 2003;64(3):266-74.
2003: Eijiro Kaio; Shinji Tanaka; Yasuhiko Kitadai; Masaharu Sumii; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Clinical significance of angiogenic factor expression at the deepest invasive site of advanced colorectal carcinoma.
Oncology 2003;64(1):61-73.
2002: Masahiro Ohta; Yasuhiko Kitadai; Shinji Tanaka; Masaharu Yoshihara; Wataru Yasui; Naofumi Mukaida; Ken Haruma; Kazuaki Chayama
Monocyte chemoattractant protein-1 expression correlates with macrophage infiltration and tumor vascularity in human esophageal squamous cell carcinomas.
International journal of cancer. Journal international du cancer 2002;102(3):220-4.
2002: M Miyamoto; Ken Haruma; Masaharu Yoshihara; Masaaki Sumioka; Takashi Nishisaka; Shinji Tanaka; K Inoue; Kazuaki Chayama
Five cases of nodular gastritis and gastric cancer: a possible association between nodular gastritis and gastric cancer.
Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver 2002;34(11):819-20.
2002: S Oka; Shinji Tanaka; Toru Hiyama; Yasuhiko Kitadai; Masaharu Yoshihara; Fumio Shimamoto; Ken Haruma; Kazuaki Chayama
Human telomerase reverse transcriptase, p53 and Ki-67 expression and apoptosis in colorectal serrated adenoma.
Scandinavian journal of gastroenterology 2002;37(10):1194-200.
2002: Shinji Tanaka; Shinji Nagata; Shiro Oka; Toshio Kuwai; Tadamasa Tamura; Yasuhiko Kitadai; Masaharu Sumii; Masaharu Yoshihara; Ken Haruma; Kazuaki Chayama
Determining depth of invasion by VN pit pattern analysis in submucosal colorectal carcinoma.
Oncology reports 2002;9(5):1005-8.
2002: Noriaki Manabe; Masaharu Yoshihara; Atsunori Sasaki; Shinji Tanaka; Ken Haruma; Kazuaki Chayama
Clinical characteristics and natural history of patients with low-grade reflux esophagitis.
Journal of gastroenterology and hepatology 2002;17(9):949-54.
2002: Masanori Ito; Ken Haruma; Tomoari Kamada; M Mihara; Sunjin Kim; Yasuhiko Kitadai; Masaharu Sumii; Shinji Tanaka; Masaharu Yoshihara; Kazuaki Chayama
Helicobacter pylori eradication therapy improves atrophic gastritis and intestinal metaplasia: a 5-year prospective study of patients with atrophic gastritis.
Alimentary pharmacology & therapeutics 2002;16(8):1449-56.
2002: Shinji Nagata; Shinji Tanaka; Ken Haruma; Yasuhiko Kitadai; Masaharu Yoshihara; Fumio Shimamoto; Kazuaki Chayama
Advanced colorectal carcinoma smaller than 10 mm in maximum diameter with special reference to clinicopathologic and molecular features: a report of 3 cases.
Gastrointestinal endoscopy 2002;56(2):299-303.
2002: Toru Hiyama; Shinji Tanaka; Yasuhiko Kitadai; Masanori Ito; Masaharu Sumii; Masaharu Yoshihara; Fumio Shimamoto; Ken Haruma; Kazuaki Chayama
p53 Codon 72 polymorphism in gastric cancer susceptibility in patients with Helicobacter pylori-associated chronic gastritis.
International journal of cancer. Journal international du cancer 2002;100(3):304-8.
2002: T Amioka; Yasuhiko Kitadai; Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Wataru Yasui; Kazuaki Chayama
Vascular endothelial growth factor-C expression predicts lymph node metastasis of human gastric carcinomas invading the submucosa.
European journal of cancer (Oxford, England : 1990) 2002;38(10):1413-9.
2002: Masanori Ito; Ken Haruma; Shunji Kaya; Hirohisa Kai; Hiroshi Masuda; Masahiro Ohta; Masaharu Sumii; Shinji Tanaka; Masaharu Yoshihara; Kazuaki Chayama
Implication of anti-parietal cell antibody levels in gastrointestinal diseases, including gastric carcinogenesis.
Digestive diseases and sciences 2002;47(5):1080-5.
2002: Seiji Onogawa; Shinji Tanaka; Shiro Oka; Masao Morihara; Yasuhiko Kitadai; Masaharu Sumii; Masaharu Yoshihara; Fumio Shimamoto; Ken Haruma; Kazuaki Chayama
Clinical significance of angiogenesis in rectal carcinoid tumors.
Oncology reports 2002;9(3):489-94.
2002: Masanori Ito; Ken Haruma; Shunji Kaya; Tomoari Kamada; Sunjin Kim; Atsunori Sasaki; Masaharu Sumii; Shinji Tanaka; Masaharu Yoshihara; Kazuaki Chayama
Role of anti-parietal cell antibody in Helicobacter pylori-associated atrophic gastritis: evaluation in a country of high prevalence of atrophic gastritis.
Scandinavian journal of gastroenterology 2002;37(3):287-93.
2002: Toru Hiyama; Ken Haruma; Yasuhiko Kitadai; Hiroshi Masuda; Masaki Miyamoto; Shinji Tanaka; Masaharu Yoshihara; Fumio Shimamoto; Kazuaki Chayama
K-ras mutation in helicobacter pylori-associated chronic gastritis in patients with and without gastric cancer.
International journal of cancer. Journal international du cancer 2002;97(5):562-6.
2002: Kanji Kodama; Koji Sumii; Masanori Kawano; Tamako Kido; Keiko Nojima; Masaharu Sumii; Ken Haruma; Masaharu Yoshihara; Kazuaki Chayama
Helicobacter pylori infection increases serum nitrate and nitrite more prominently than serum pepsinogens.
Helicobacter 2002;7(1):9-13.
2002: Masanori Ito; Ken Haruma; Shunji Kaya; Tomoari Kamada; Sunjin Kim; Atsunori Sasaki; Masaharu Sumii; Shinji Tanaka; Masaharu Yoshihara; Siegfried Wagner; Kazuaki Chayama
Serological comparison of serum pepsinogen and anti-parietal cell antibody levels between Japanese and German patients.
European journal of gastroenterology & hepatology 2002;14(2):123-7.
2002: Tomoari Kamada; Kazuaki Chayama; Ken Haruma; Masaharu Yoshihara; Masanori Ito; Yasuhiko Kitadai; Yuzuru Kawamura
[Non-ulcer dyspepsia and H. pylori].
Nihon rinsho. Japanese journal of clinical medicine 2002;60 Suppl 2():774-8.
2002: Tomoari Kamada; Kazuaki Chayama; Ken Haruma; Masaharu Yoshihara; Masanori Ito; Yasuhiko Kitadai; Yuzuru Kawamura
[The analysis of the recurrence ulcer after H. pylori eradication].
Nihon rinsho. Japanese journal of clinical medicine 2002;60 Suppl 2():501-5.
2002: Akira Furudoi; Shinji Tanaka; Ken Haruma; Yasuhiko Kitadai; Masaharu Yoshihara; Kazuaki Chayama; Fumio Shimamoto
Clinical significance of vascular endothelial growth factor C expression and angiogenesis at the deepest invasive site of advanced colorectal carcinoma.
Oncology 2002;62(2):157-66.
2001: E Miyoshi; Ken Haruma; Toru Hiyama; Shinji Tanaka; Masaharu Yoshihara; Fumio Shimamoto; Kazuaki Chayama
Microsatellite instability is a genetic marker for the development of multiple gastric cancers.
International journal of cancer. Journal international du cancer 2001;95(6):350-3.
2001: S Nagata; Shinji Tanaka; Ken Haruma; Yasuhiko Kitadai; Masaharu Yoshihara; Fumio Shimamoto; Nobuoki Kohno; Kazuaki Chayama
MUC1 and cathepsin D expression in early colorectal carcinoma showing V type pit pattern.
International journal of oncology 2001;19(4):665-72.
2001: X Chen; Ken Haruma; Tomoari Kamada; N Hartori; Masaharu Yoshihara; Yasuhiko Kitadai; Shinji Tanaka; Koji Sumii; Kazuaki Chayama
A low 13C-urea breath test value is associated with increased risk of gastric cancer.
Journal of gastroenterology 2001;36(9):601-5.
2001: Yasuhiko Kitadai; Toru Amioka; Ken Haruma; Shinji Tanaka; Masaharu Yoshihara; K Sumii; Norimasa Matsutani; Wataru Yasui; Kazuaki Chayama
Clinicopathological significance of vascular endothelial growth factor (VEGF)-C in human esophageal squamous cell carcinomas.
International journal of cancer. Journal international du cancer 2001;93(5):662-6.
2001: H Oh-e; Shinji Tanaka; Yasuhiko Kitadai; Fumio Shimamoto; Masaharu Yoshihara; Ken Haruma
Angiogenesis at the site of deepest penetration predicts lymph node metastasis of submucosal colorectal cancer.
Diseases of the colon and rectum 2001;44(8):1129-36.
2001: S Kido; Yasuhiko Kitadai; N Hattori; Ken Haruma; T Kido; M Ohta; Shinji Tanaka; Masaharu Yoshihara; K Sumii; Y Ohmoto; Kazuaki Chayama
Interleukin 8 and vascular endothelial growth factor -- prognostic factors in human gastric carcinomas?
European journal of cancer (Oxford, England : 1990) 2001;37(12):1482-7.
2001: Toru Hiyama; Ken Haruma; Yasuhiko Kitadai; Hiroshi Masuda; Masaki Miyamoto; Masanori Ito; Tomoari Kamada; Shinji Tanaka; Naomi Uemura; Masaharu Yoshihara; Koji Sumii; Fumio Shimamoto; Kazuaki Chayama
Clinicopathological features of gastric mucosa-associated lymphoid tissue lymphoma: a comparison with diffuse large B-cell lymphoma without a mucosa-associated lymphoid tissue lymphoma component.
Journal of gastroenterology and hepatology 2001;16(7):734-9.
2001: Shinji Tanaka; Ken Haruma; Shiro Oka; R Takahashi; Masaki Kunihiro; Yasuhiko Kitadai; Masaharu Yoshihara; Fumio Shimamoto; Kazuaki Chayama
Clinicopathologic features and endoscopic treatment of superficially spreading colorectal neoplasms larger than 20 mm.
Gastrointestinal endoscopy 2001;54(1):62-6.
2001: Toru Hiyama; Ken Haruma; Yasuhiko Kitadai; Masanori Ito; Hiroshi Masuda; Masaki Miyamoto; Shinji Tanaka; Masaharu Yoshihara; Koji Sumii; Fumio Shimamoto; Kazuaki Chayama
Helicobacter pylori eradication therapy for high-grade mucosa-associated lymphoid tissue lymphomas of the stomach with analysis of p53 and K-ras alteration and microsatellite instability.
International journal of oncology 2001;18(6):1207-12.
2001: Masanori Ito; Ken Haruma; T Kamada; Yasuhiko Kitadai; T Hidaka; T Tsuda; H Komatsu; T Fukuhara; Masaharu Yoshihara; Kazuaki Chayama
Reduction in the incidence of Helicobacter pylori-associated carcinoma in Japanese young adults.
Oncology reports 2001;8(3):633-6.
2001: Masaharu Yoshihara; Goro Kajiyama
[Secondary kwashiorkor].
Nihon rinsho. Japanese journal of clinical medicine 2001;59 Suppl 3():329-32.
2001: Toru Hiyama; Ken Haruma; Yasuhiko Kitadai; Masaki Miyamoto; Shinji Tanaka; Masaharu Yoshihara; Koji Sumii; Fumio Shimamoto; Goro Kajiyama
B-cell monoclonality in Helicobacter pylori-associated chronic atrophic gastritis.
Virchows Archiv : an international journal of pathology 2001;438(3):232-7.
2001: Toru Hiyama; Ken Haruma; Yasuhiko Kitadai; Masanori Ito; Hiroshi Masuda; Masaki Miyamoto; Shinji Tanaka; Masaharu Yoshihara; Koji Sumii; Fumio Shimamoto; Kazuaki Chayama
Microsatellite instability at D18S61 is associated with no regression of gastric mucosa-associated lymphoid tissue lymphoma after Helicobacter pylori eradication.
Oncology reports 2001;8(2):293-7.
2001: Toru Hiyama; Ken Haruma; Yasuhiko Kitadai; Masanori Ito; Hiroshi Masuda; Masaki Miyamoto; Shinji Tanaka; Masaharu Yoshihara; Koji Sumii; Fumio Shimamoto; Kazuaki Chayama
c-myc gene mutation in gastric mucosa-associated lymphoid tissue (MALT) lymphoma and diffuse large B-cell lymphoma.
Oncology reports 2001;8(2):289-92.
2001: Akira Furudoi; Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto
Clinical significance of human erythrocyte glucose transporter 1 expression at the deepest invasive site of advanced colorectal carcinoma.
Oncology 2001;60(2):162-9.
2001: H Oh-e; Shinji Tanaka; Yasuhiko Kitadai; Fumio Shimamoto; Masaharu Yoshihara; Ken Haruma
Cathepsin D expression as a possible predictor of lymph node metastasis in submucosal colorectal cancer.
European journal of cancer (Oxford, England : 1990) 2001;37(2):180-8.
2000: T Shimizu; Shinji Tanaka; Ken Haruma; Yasuhiko Kitadai; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto
Growth characteristics of rectal carcinoid tumors.
Oncology 2000;59(3):229-37.
2000: Masaki Kunihiro; Shinji Tanaka; Ken Haruma; Yasuhiko Kitadai; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; M Nishiyama
Electrocautery snare resection stimulates cellular proliferation of residual colorectal tumor: an increasing gene expression related to tumor growth.
Diseases of the colon and rectum 2000;43(8):1107-15.
2000: Tomoari Kamada; Ken Haruma; E Miyoshi; M Mihara; Yasuhiko Kitadai; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; K Tahara; T Mukai; Yuzuru Kawamura; N Hattori
Cetraxate, a mucosal protective agent, combined with omeprazole, amoxycillin, and clarithromycin increases the eradication rate of helicobacter pylori in smokers.
Alimentary pharmacology & therapeutics 2000;14(8):1089-94.
2000: S Kido; Ken Haruma; Yasuhiko Kitadai; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; H Watanabe
Enhanced tumorigenicity of insulinoma by X-irradiation of the gastric regions in Sprague-Dawley male rats.
Journal of gastroenterology and hepatology 2000;15(7):766-70.
2000: Shinji Tanaka; Ken Haruma; H Oh-e; Shinji Nagata; Y Hirota; Akira Furudoi; Toru Amioka; Yasuhiko Kitadai; Masaharu Yoshihara; Fumio Shimamoto
Conditions of curability after endoscopic resection for colorectal carcinoma with submucosally massive invasion.
Oncology reports 2000;7(4):783-8.
2000: H Goishi; Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto
Predictive value of cathepsin D and Ki-67 expression at the deepest penetration site for lymph node metastases in gastric cancer.
Oncology reports 2000;7(4):713-8.
2000: Keiko Nojima; Koji Sumii; Masaharu Sumii; Siro Okahara; Ken Haruma; Masaharu Yoshihara; Goro Kajiyama
Acid-sensitive and alkaline-sensitive sensory neurons regulate pH dependent gastrin secretion in rat.
Digestive diseases and sciences 2000;45(6):1217-26.
2000: X Chen; Ken Haruma; Tomoari Kamada; M Mihara; K Komoto; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
Factors that affect results of the 13C urea breath test in Japanese patients.
Helicobacter 2000;5(2):98-103.
2000: H Hamada; Ken Haruma; M Mihara; Tomoari Kamada; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; M Kawanishi
High incidence of reflux oesophagitis after eradication therapy for Helicobacter pylori: impacts of hiatal hernia and corpus gastritis.
Alimentary pharmacology & therapeutics 2000;14(6):729-35.
2000: S Nagata; Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto
Pit pattern diagnosis of early colorectal carcinoma by magnifying colonoscopy: clinical and histological implications.
International journal of oncology 2000;16(5):927-34.
2000: Ken Haruma; K Komoto; Tomoari Kamada; Masanori Ito; Yasuhiko Kitadai; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
Helicobacter pylori infection is a major risk factor for gastric carcinoma in young patients.
Scandinavian journal of gastroenterology 2000;35(3):255-9.
2000: Ken Haruma; Tomoari Kamada; H Kawaguchi; S Okamoto; Masaharu Yoshihara; Koji Sumii; Masayasu Inoue; S Kishimoto; Goro Kajiyama; A Miyoshi
Effect of age and Helicobacter pylori infection on gastric acid secretion.
Journal of gastroenterology and hepatology 2000;15(3):277-83.
2000: Ken Haruma; H Hamada; M Mihara; Tomoari Kamada; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; M Kawanishi
Negative association between Helicobacter pylori infection and reflux esophagitis in older patients: case-control study in Japan.
Helicobacter 2000;5(1):24-9.
2000: Y Hirota; Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto; Nobuoki Kohno
pS2 expression as a possible diagnostic marker of colorectal carcinoma in ulcerative colitis.
Oncology reports 2000;7(2):233-9.
1999: Tomoari Kamada; Ken Haruma; K Komoto; M Mihara; X Chen; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; K Tahara; Yuzuru Kawamura
Effect of smoking and histological gastritis severity on the rate of H. pylori eradication with omeprazole, amoxicillin, and clarithromycin.
Helicobacter 1999;4(3):204-10.
1999: T Goto; Ken Haruma; Yasuhiko Kitadai; M Ito; Masaharu Yoshihara; K Sumii; N Hayakawa; G Kajiyama
Enhanced expression of inducible nitric oxide synthase and nitrotyrosine in gastric mucosa of gastric cancer patients.
Clinical cancer research : an official journal of the American Association for Cancer Research 1999;5(6):1411-5.
1999: T Tanimoto; Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto; Nobuoki Kohno
MUC1 expression in intramucosal colorectal neoplasms. Possible involvement in histogenesis and progression.
Oncology 1999;56(3):223-31.
1999: M Mihara; Ken Haruma; Tomoari Kamada; K Komoto; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
The role of endoscopic findings for the diagnosis of Helicobacter pylori infection: evaluation in a country with high prevalence of atrophic gastritis.
Helicobacter 1999;4(1):40-8.
1999: Ken Haruma; M Mihara; E Okamoto; Hiroaki Kusunoki; M Hananoki; Shinji Tanaka; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
Eradication of Helicobacter pylori increases gastric acidity in patients with atrophic gastritis of the corpus-evaluation of 24-h pH monitoring.
Alimentary pharmacology & therapeutics 1999;13(2):155-62.
1998: T Tanimoto; Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto
Growth patterns in various macroscopic types of noninvasive intramucosal colorectal carcinoma with special reference to apoptosis and cell proliferation.
Diseases of the colon and rectum 1998;41(11):1376-84.
1998: R Aoki; Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto; Nobuoki Kohno
MUC-1 expression as a predictor of the curative endoscopic treatment of submucosally invasive colorectal carcinoma.
Diseases of the colon and rectum 1998;41(10):1262-72.
1998: Masaharu Yoshihara; Ken Haruma
[Epidemiology of gastrointestinal hemorrhage].
Nihon rinsho. Japanese journal of clinical medicine 1998;56(9):2319-24.
1998: K Komoto; Ken Haruma; Tomoari Kamada; Shinji Tanaka; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; N J Talley
Helicobacter pylori infection and gastric neoplasia: correlations with histological gastritis and tumor histology.
The American journal of gastroenterology 1998;93(8):1271-6.
1998: Masaharu Yoshihara; Koji Sumii; Ken Haruma; Kuninushi Kiyohira; N Hattori; Yasuhiko Kitadai; K Komoto; Shinji Tanaka; Goro Kajiyama
Correlation of ratio of serum pepsinogen I and II with prevalence of gastric cancer and adenoma in Japanese subjects.
The American journal of gastroenterology 1998;93(7):1090-6.
1998: Masaki Kunihiro; Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto
Combined expression of HLA-DR antigen and proliferating cell nuclear antigen correlate with colorectal cancer prognosis.
Oncology 1998;55(4):326-33.
1998: Yoshikazu Hiraga; Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto; Nobuoki Kohno
Immunoreactive MUC1 expression at the deepest invasive portion correlates with prognosis of colorectal cancer.
Oncology 1998;55(4):307-19.
1998: Tomoari Kamada; Ken Haruma; H Kawaguchi; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
The association between antral G and D cells and mucosal inflammation, atrophy, and Helicobacter pylori infection in subjects with normal mucosa, chronic gastritis, and duodenal ulcer.
The American journal of gastroenterology 1998;93(5):748-52.
1997: Ken Haruma; S Okamoto; H Kawaguchi; T Gotoh; Tomoari Kamada; Masaharu Yoshihara; K Sumii; Goro Kajiyama
Reduced incidence of Helicobacter pylori infection in young Japanese persons between the 1970s and the 1990s.
Journal of clinical gastroenterology 1997;25(4):583-6.
1997: Masaharu Yoshihara; Koji Sumii; Ken Haruma; Kuninushi Kiyohira; N Hattori; Shinji Tanaka; Goro Kajiyama; T Shigenobu
The usefulness of gastric mass screening using serum pepsinogen levels compared with photofluorography.
Hiroshima journal of medical sciences 1997;46(2):81-6.
1996: Y Takehara; Koji Sumii; Akira Tari; Masaharu Yoshihara; M Sumii; Ken Haruma; Goro Kajiyama; S V Wu; John H Walsh
Evidence that endogenous GRP in rat stomach mediates omeprazole-induced hypergastrinemia.
The American journal of physiology 1996;271(5 Pt 1):G799-804.
1996: T Kamada; Shinji Tanaka; Ken Haruma; M Mihara; T Gotoh; K Kiyohira; Y Hiraga; H Kawaguchi; M Sumii; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Y Murakami; T Yokoyama; Fumio Shimamoto; H Teshima
[A case of goblet cell carcinoid of the appendix].
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology 1996;93(5):367-72.
1996: H Kawaguchi; Ken Haruma; K Komoto; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
Helicobacter pylori infection is the major risk factor for atrophic gastritis.
The American journal of gastroenterology 1996;91(5):959-62.
1996: M Kunihiro; Shinji Tanaka; Ken Haruma; Y Hiraga; H Goishi; H Kawaguchi; M Akagi; M Sumii; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
[Clinical analysis on the course and prognosis of patients with Crohn's disease].
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology 1996;93(3):159-66.
1996: C R Teixeira; Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto
Flat-elevated colorectal neoplasms exhibit a high malignant potential.
Oncology 1996;53(2):89-93.
1996: T Okamoto; Shinji Tanaka; Ken Haruma; Y Hiraga; M Kunihiro; H Goishi; T Tanimoto; M Sumii; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto
[Clinicopathologic evaluation on colorectal laterally spreading tumor (LST)].
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology 1996;93(2):83-9.
1995: Shinji Tanaka; Ken Haruma; C R Teixeira; S Tatsuta; N Ohtsu; Y Hiraga; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto
Endoscopic treatment of submucosal invasive colorectal carcinoma with special reference to risk factors for lymph node metastasis.
Journal of gastroenterology 1995;30(6):710-7.
1995: Masaharu Yoshihara; Ken Haruma; Koji Sumii; C Watanabe; K Kiyohira; H Kawaguchi; Shinji Tanaka; Goro Kajiyama
The relationship between gastric secretion and type of early gastric carcinoma.
Hiroshima journal of medical sciences 1995;44(3):79-82.
1995: T Suzuki; T Tsuda; Ken Haruma; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
Growth of human gastric carcinomas and expression of epidermal growth factor, transforming growth factor-alpha, epidermal growth factor receptor and p185c-erbB-2.
Oncology 1995;52(5):385-91.
1995: A Kodoi; Masaharu Yoshihara; Koji Sumii; Ken Haruma; Goro Kajiyama
Serum pepsinogen in screening for gastric cancer.
Journal of gastroenterology 1995;30(4):452-60.
1995: T Nishida; Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
Histologic grade and cellular proliferation at the deepest invasive portion correlate with the high malignancy of submucosal invasive gastric carcinoma.
Oncology 1995;52(4):340-6.
1995: Ken Haruma; K Komoto; H Kawaguchi; S Okamoto; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
Pernicious anemia and Helicobacter pylori infection in Japan: evaluation in a country with a high prevalence of infection.
The American journal of gastroenterology 1995;90(7):1107-10.
1995: Ken Haruma; Koji Sumii; S Okamoto; Masaharu Yoshihara; M Sumii; Goro Kajiyama; S Wagner
Helicobacter pylori infection is associated with low antral somatostatin content in young adults. Implications for the pathogenesis of hypergastrinemia.
Scandinavian journal of gastroenterology 1995;30(6):550-3.
1995: Ken Haruma; H Kawaguchi; K Kohmoto; S Okamoto; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
Helicobacter pylori infection, serum gastrin, and gastric acid secretion in teen-age subjects with duodenal ulcer, gastritis, or normal mucosa.
Scandinavian journal of gastroenterology 1995;30(4):322-6.
1995: Shinji Tanaka; Ken Haruma; S Tatsuta; Y Hiraga; C R Teixeira; Fumio Shimamoto; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
Proliferating cell nuclear antigen expression correlates with the metastatic potential of submucosal invasive colorectal carcinoma.
Oncology 1995;52(2):134-9.
1994: M Sumii; Koji Sumii; Akira Tari; Masaharu Yoshihara; Ken Haruma; Goro Kajiyama
Regulation of antral peptides by administration of omeprazole to healthy men.
The American journal of gastroenterology 1994;89(11):2033-7.
1994: T Nishida; Shinji Tanaka; Ken Haruma; N Ohtsu; T Tsuda; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Masahiko Nishiyama; T Hirai
[The risk factors of lymph node metastasis in submucosal invasive gastric carcinoma--assessment of the indication for endoscopic treatment].
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology 1994;91(9):1399-406.
1994: Shinji Tanaka; S Tatsuta; N Ohtsu; M Akagi; T Nishida; A Kodoi; H Yamanaka; Masaharu Yoshihara; Ken Haruma; Koji Sumii
[Assessment for development of superficial colorectal neoplasm--endoscopic and clinicopathologic analysis of 149 submucosal invasive carcinomas].
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology 1994;91(7):1182-9.
1994: Ken Haruma; H Kawaguchi; Masaharu Yoshihara; S Okamoto; Koji Sumii; S Kishimoto; Goro Kajiyama
Relationship between Helicobacter pylori infection and gastric acid secretion in young healthy subjects.
Journal of clinical gastroenterology 1994;19(1):20-2.
1994: C R Teixeira; Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto
Carcinoembryonic antigen staining patterns at the invasive tumor margin predict the malignant potential of colorectal carcinoma.
Oncology 1994;51(3):228-33.
1994: M Akagi; T Dohi; Shinji Tanaka; Masaharu Yoshihara; Akira Tari; M Itou; Ken Haruma; Koji Sumii; S Kishimoto; Goro Kajiyama
[A case of jejunal gastrinoma].
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology 1994;91(4):904-9.
1993: A Kodoi; Ken Haruma; Masaharu Yoshihara; T Shimamoto; C Watanabe; S Okamoto; H Kawaguchi; Akira Tari; Koji Sumii; Goro Kajiyama
[A clinical study of pepsinogen I and II producing gastric carcinomas].
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology 1993;90(12):2971-8.
1993: C R Teixeira; Shinji Tanaka; Ken Haruma; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama; Fumio Shimamoto
The clinical significance of the histologic subclassification of colorectal carcinoma.
Oncology 1993;50(6):495-9.
1993: H Tohdo; Ken Haruma; Yasuhiko Kitadai; Masaharu Yoshihara; T Shimamoto; Koji Sumii; Goro Kajiyama
Gastric emptying and bezoars in Japanese. Report of five cases.
Digestive diseases and sciences 1993;38(8):1422-5.
1993: Ken Haruma; Masaharu Yoshihara; Koji Sumii; Akira Tari; C Watanabe; A Kodoi; Goro Kajiyama
Gastric acid secretion, serum pepsinogen I, and serum gastrin in Japanese with gastric hyperplastic polyps or polypoid-type early gastric carcinoma.
Scandinavian journal of gastroenterology 1993;28(7):633-7.
1993: W Hou; Ken Haruma; Koji Sumii; Masaharu Yoshihara; T Tsuda; T Shimamoto; Goro Kajiyama; H Ito
Solitary pedunculated polypoid gastric gland heterotopia.
Gastroenterologia Japonica 1993;28(3):415-9.
1993: T Nishida; Ken Haruma; S Tanaka; K Inoue; H Teshima; Masaharu Yoshihara; A Tari; Koji Sumii; Goro Kajiyama
[Comparison of endoscopic therapy and conventional surgery for the treatment of early gastric cancer in elderly patients].
Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics 1993;30(5):376-81.
1993: K Inoue; K Kobatake; Ken Haruma; H Yamanaka; J Fujimura; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
[Gastric emptying in elderly patients with cerebral vascular diseases and the effect of trimebutine].
Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics 1993;30(1):41-5.
1993: T Shimamoto; Ken Haruma; Shinji Tanaka; H Todo; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
Usefulness of nucleolar organizer region staining in gastric myogenic tumors: correlation with ploidy by DNA flow cytometry.
Oncology 1993;50(1):52-6.
1992: Ken Haruma; S Okamoto; Koji Sumii; Masaharu Yoshihara; Akira Tari; H Teshima; T Shimamoto; Y Takehara; Shinji Tanaka; G Yamamoto
Helicobacter pylori infection and gastroduodenal disease: a comparison of endoscopic findings, histology, and urease test data.
Hiroshima journal of medical sciences 1992;41(3):65-70.
1992: J Fujimura; Ken Haruma; Jiro Hata; H Yamanaka; H Machino; Masaharu Yoshihara; Koji Sumii; S Kishimoto; Goro Kajiyama
[New approach to evaluate duodenogastric reflux by color Doppler].
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology 1992;89(7):1472.
1992: Koji Sumii; M Sumioka; Masaharu Yoshihara; Akira Tari; Ken Haruma; Goro Kajiyama
Somatostatin in gastric juice in normal subjects and patients with duodenal ulcer.
Digestive diseases and sciences 1992;37(7):1020-4.
1992: Shinji Tanaka; K Imanishi; Ken Haruma; T Tsuda; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
Immunoreactive transforming growth factor-alpha and epidermal growth factor in colorectal adenomas and carcinomas.
Oncology 1992;49(5):381-5.
1992: Ken Haruma; Masaharu Yoshihara; Shinji Tanaka; Koji Sumii; Goro Kajiyama; T Hidaka; K Daitoku; T Matsumoto
Rapid growth and difficulty of early detection of scirrhous carcinoma of the stomach.
The American journal of gastroenterology 1992;87(1):31-6.
1991: Ken Haruma; T Tokutomi; T Tsuda; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
Superficial esophageal carcinoma: a report of 27 cases in Japan.
The American journal of gastroenterology 1991;86(12):1723-8.
1991: Ken Haruma; Koji Sumii; Masaharu Yoshihara; C Watanabe; Goro Kajiyama
Gastric mucosa in female patients with fundic glandular polyps.
Journal of clinical gastroenterology 1991;13(5):565-9.
1991: Shinji Tanaka; K Imanishi; Masaharu Yoshihara; Ken Haruma; Koji Sumii; Goro Kajiyama; S Akamatsu
Immunoreactive transforming growth factor alpha is commonly present in colorectal neoplasia.
The American journal of pathology 1991;139(1):123-9.
1991: C R Teixeira; Ken Haruma; H Teshima; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
Endoscopic therapy for gastric cancer in patients more than 80 years old.
The American journal of gastroenterology 1991;86(6):725-8.
1991: Ken Haruma; T Tokutomi; Masaharu Yoshihara; Koji Sumii; Goro Kajiyama
Rapid growth of untreated esophageal squamous-cell carcinoma in 10 patients.
Journal of clinical gastroenterology 1991;13(2):129-34.
1990: Koji Sumii; M Kimura; A Morikawa; Ken Haruma; Masaharu Yoshihara; Goro Kajiyama
Recurrence of duodenal ulcer and elevated serum pepsinogen I levels in smokers and nonsmokers.
The American journal of gastroenterology 1990;85(11):1493-7.
1990: Koji Sumii; A Inbe; N Uemura; M Kimura; Ken Haruma; Masaharu Yoshihara; H Teshima; K Inoue; H Matsubara; Goro Kajiyama
Multiplicative effect of hyperpepsinogenemia I and non-secretor status on the risk of duodenal ulcer in siblings.
Gastroenterologia Japonica 1990;25(2):157-61.
1989: Koji Sumii; A Inbe; N Uemura; M Kimura; Ken Haruma; Masaharu Yoshihara; H Teshima; Goro Kajiyama; A Miyoshi
Increased serum pepsinogen I and recurrence of duodenal ulcer.
Scandinavian journal of gastroenterology 1989;24(10):1200-4.
1989: Koji Sumii; M Kimura; A Morikawa; Ken Haruma; Masaharu Yoshihara; H Teshima; Goro Kajiyama
Influence of cigarette smoking on recurrence of duodenal ulcer.
Japanese journal of medicine 1989;28(4):492-5.
1989: S Murakami; Ken Haruma; Koji Sumii; Akira Tari; Masaharu Yoshihara; K Inoue; M Kimura; H Matsubara; H Teshima; K Tokumo
[A study of ornithine decarboxylase activity in tumor tissue and rectal mucosa in patients with colorectal cancer or adenoma].
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology 1989;86(6):1260-5.
1989: Ken Haruma; Koji Sumii; A Morikawa; N Uemura; A Inbe; M Kimura; K Tokumo; Masaharu Yoshihara; H Teshima; K Inoue
[Gastric mucosa in patients with fundic hyperplastic polyps].
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology 1989;86(4):851-7.
1988: Ken Haruma; Koji Sumii; K Imanishi; A Inbe; M Kimura; N Uemura; Masaharu Yoshihara; Goro Kajiyama; K Fujimura; A Kuramoto
[Abnormalities of gastric mucosa in pernicious anemia].
Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine 1988;77(9):1393-8.
1988: Koji Sumii; N Uemura; A Inbe; M Kimura; Masaharu Yoshihara; Ken Haruma; Goro Kajiyama
Serum pepsinogen 1, gastrin, ABO blood groups, secretor status of ABH substances and behavioral factors in patients with duodenal ulcer and their relatives.
Japanese journal of medicine 1988;27(3):291-4.
1988: Akira Tari; Y Miyachi; Koji Sumii; Ken Haruma; Masaharu Yoshihara; Goro Kajiyama; A Miyoshi
Beta-endorphin-like immunoreactivity in normal mucosa, muscle layer, adenocarcinoma, and polyp of the colon.
Digestive diseases and sciences 1988;33(4):429-34.
1988: Akira Tari; H Teshima; Koji Sumii; Ken Haruma; H Ohgoshi; Masaharu Yoshihara; Goro Kajiyama; Y Miyachi
Peptide YY abnormalities in patients with ulcerative colitis.
Japanese journal of medicine 1988;27(1):49-55.
1987: H Teshima; Akira Tari; Koji Sumii; Masaharu Yoshihara; H Ohgoshi; I Fukuhara; K Tokumo; Ken Haruma; Goro Kajiyama; Y Miyachi
[Plasma peptide YY-like immunoreactivity in ulcerative colitis, colorectal cancer, and colectomy].
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology 1987;84(12):2681-7.
1987: Akira Tari; Koji Sumii; Masaharu Yoshihara; H Ohgoshi; H Teshima; I Fukuhara; Ken Haruma; Goro Kajiyama; K Tanaka; A Miyoshi
Effect of cisapride on the concentrations of beta-endorphinlike immunoreactivity and substance P-like immunoreactivity in the rat gastrointestinal tract.
Biochemical and biophysical research communications 1987;147(3):1162-9.
1986: Koji Sumii; M Sumioka; K Hirata; N Uemura; Akira Tari; Masaharu Yoshihara; M Sekito; T Tokutomi; Y Inaba; H Teshima
Antral somatostatin contents and acidity of gastric juice in normal subjects and patients with duodenal ulcer.
Hiroshima journal of medical sciences 1986;35(4):343-6.
1986: T Tokutomi; Ken Haruma; Akira Tari; N Uemura; Masaharu Yoshihara; M Sekito; H Teshima; H Ohgoshi; A Inbe; Y Inaba
[Roentgenographic estimation of the growth rate of esophageal cancers].
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology 1986;83(10):2125-31.
1986: Ken Haruma; Koji Sumii; N Uemura; Akira Tari; Y Inaba; Masaharu Yoshihara; T Tokutomi; M Sekito; A Inbe; H Teshima
Epidemiologic studies and recent changes of peptic ulcer disease during the past 10 years: study of 2,548 cases collected during 1974 to 1983 in Hiroshima University Hospital.
Hiroshima journal of medical sciences 1986;35(3):201-5.
1986: Koji Sumii; N Uemura; A Inbe; Ken Haruma; Y Inaba; Akira Tari; Masaharu Yoshihara; M Sekitoh; T Tokutomi; Goro Kajiyama
Familial aggregation of duodenal ulcer and an autosomal dominant inheritance of hyperpepsinogenemia I.
Hiroshima journal of medical sciences 1986;35(2):171-5.