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Keiichi Sakai

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Megumi Asanuma; Tatsuro Aoyama; Koji Asano; Keiichi Sakai; Tsuyoshi Uehara; Kazuhiro Hongo
Hematogenous extraneural metastasis of the germinomatous component of a pineal mixed germ cell tumor.
Nunung Nur Rahmah; Keiichi Sakai; Kenji Sano; Yuhui Li; Kazuhiro Hongo
Comparison of manual and digital microvascular density counting of RECK expression in glioma.
Nunung Nur Rahmah; Keiichi Sakai; Kenji Sano; Kazuhiro Hongo
Expression of RECK in endothelial cells of glioma: comparison with CD34 and VEGF expressions.

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2012: Megumi Asanuma; Tatsuro Aoyama; Koji Asano; Keiichi Sakai; Tsuyoshi Uehara; Kazuhiro Hongo
Hematogenous extraneural metastasis of the germinomatous component of a pineal mixed germ cell tumor.
Brain tumor pathology 2012;29(4):245-50.
2012: Nunung Nur Rahmah; Keiichi Sakai; Kenji Sano; Yuhui Li; Kazuhiro Hongo
Comparison of manual and digital microvascular density counting of RECK expression in glioma.
Neuropathology : official journal of the Japanese Society of Neuropathology 2012;32(3):245-51.
2012: Nunung Nur Rahmah; Keiichi Sakai; Kenji Sano; Kazuhiro Hongo
Expression of RECK in endothelial cells of glioma: comparison with CD34 and VEGF expressions.
Journal of neuro-oncology 2012;107(3):559-64.
2011: Tatsuya Kobayashi; Kunihiko Kodama; Jun Nakayama; Keiichi Sakai; Kenji Sano; Yasuyuki Sekiguchi; Tsuyoshi Tada; Yuichiro Tanaka; Tetsuya Goto; Yosuke Hara; Kazuhiro Hongo
Gliosarcoma arising from a fibrillary astrocytoma.
Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2011;18(9):1251-4.
2011: Keiichi Sakai; Takahiro Miyahara; Keiji Tsutsumi; Tomoki Kaneko; Mana Fukushima; Yuichiro Tanaka; Kazuhiro Hongo
Spontaneous regression of multicentric pilocytic astrocytoma with CSF dissemination in an adult.
Brain tumor pathology 2011;28(2):151-6.
2011: Takahiro Murata; Keiichi Sakai; Tetsuya Goto; Yoshiki Hanaoka; Tetsuyoshi Horiuchi; Kiyoshi Ito; Hisashi Muraoka; Kazuhiro Hongo
"Kissing" brainstem cavernous angiomas removed using a trans-fourth ventricular floor approach--case report.
Neurologia medico-chirurgica 2011;51(10):724-7.
2011: Toshiya Uchiyama; Keiichi Sakai; Tatsuro Aoyama; Megumi Asanuma; Kazuhiro Hongo
Pituitary abscess manifesting as meningitis and photophobia associated with Rathke's cleft cyst in a child. Case report.
Neurologia medico-chirurgica 2011;51(6):455-9.
2011: Takahiro Murata; Tetsuyoshi Horiuchi; Nunung Nur Rahmah; Keiichi Sakai; Kazuhiro Hongo
Three-dimensional magnetic resonance imaging based on time-of-flight magnetic resonance angiography for superficial cerebral arteriovenous malformation--technical note.
Neurologia medico-chirurgica 2011;51(2):163-7.
2010: Kiyoshi Ito; Takao Yanagawa; Tetsuyoshi Horiuchi; Keiichi Sakai; Kazuhiro Hongo
[Application of a polyethylene glycol hydrogel sealant system to prevent CSF leakage for lumbar intradural surgery: technical case report].
No shinkei geka. Neurological surgery 2010;38(12):1127-31.
2010: Takahiro Murata; Tetsuyoshi Horiuchi; Junpei Nitta; Keiichi Sakai; Toshihiro Ogiwara; Satoshi Kobayashi; Kazuhiro Hongo
Urgent open embolectomy for cardioembolic cervical internal carotid artery occlusion.
Neurosurgical review 2010;33(3):341-8; discussion 348.
2010: Kunihiko Kodama; Tetsuya Goto; Atsushi Sato; Keiichi Sakai; Yuichiro Tanaka; Kazuhiro Hongo
Standard and limitation of intraoperative monitoring of the visual evoked potential.
Acta neurochirurgica 2010;152(4):643-8.
2010: Nunung Nur Rahmah; Keiichi Sakai; Jun Nakayama; Kazuhiro Hongo
Reversion-inducing cysteine-rich protein with kazal motifs and matrix metalloproteinase-9 are prognostic markers in skull base chordomas.
Neurosurgical review 2010;33(2):167-73; discussion 173.
2010: Takahiro Murata; Hiroaki Shigeta; Tetsuyoshi Horiuchi; Keiichi Sakai; Kazuhiro Hongo
Globular subdural hematoma in a shunt-treated infant: case report.
Journal of neurosurgery. Pediatrics 2010;5(2):210-2.
2010: Kiyoshi Ito; Takahiro Miyahara; Tetsuya Goto; Tetsuyoshi Horiuchi; Keiichi Sakai; Kazuhiro Hongo
Solitary metastatic cauda equina tumor from breast cancer -case report-.
Neurologia medico-chirurgica 2010;50(5):417-20.
2009: Kotaro Akaishi; Jun Nakayama; Keiichi Sakai; Tatsuya Kobayashi; James T Rutka
Antigen p57/Kip2 as a potential negative regulator of human astrocytoma growth.
Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2009;16(12):1615-8.
2009: Kiyoshi Ito; Shigetoshi Ishizaka; Tetsuo Sasaki; Takahiro Miyahara; Tetsuyoshi Horiuchi; Keiichi Sakai; Hiroaki Shigeta; Kazuhiro Hongo
Safe and minimally invasive laminoplastic laminotomy using an ultrasonic bone curette for spinal surgery: technical note.
Surgical neurology 2009;72(5):470-5; discussion 475.
2009: Tetsuyoshi Horiuchi; Junpei Nitta; Toshihiro Ogiwara; Keiichi Sakai; Kazuhiro Hongo
Outcome predictors of open embolectomy in middle cerebral artery occlusion.
Neurological research 2009;31(9):892-4.
2008: Keiichi Sakai; Junpei Nitta; Tetsuyoshi Horiuchi; Toshihiro Ogiwara; Satoshi Kobayashi; Yuichiro Tanaka; Kazuhiro Hongo
Emergency revascularization for acute main-trunk occlusion in the anterior circulation.
Neurosurgical review 2008;31(1):69-76; discussion 76.
2007: Tetsuya Goto; Yuichiro Tanaka; Kunihiko Kodama; Yoshikazu Kusano; Keiichi Sakai; Kazuhiro Hongo
Loss of visual evoked potential following temporary occlusion of the superior hypophyseal artery during aneurysm clip placement surgery. Case report.
Journal of neurosurgery 2007;107(4):865-7.
2007: Yuichiro Tanaka; Toshiki Takemae; Shigeaki Kobayashi; Keiichi Sakai; Takahiro Miyahara; Shigetoshi Ishizaka; Kunihiko Kodama; Tatsuya Kobayashi; Yozo Ichikawa; Keiji Tsutsumi; Kazuhiro Hongo
[Clinical analysis of treatment and long-term outcome in 56 craniopharyngiomas].
No shinkei geka. Neurological surgery 2007;35(9):887-93.
2007: Kiyoshi Ito; Keiichi Sakai; Takehiro Yako; Yuichiro Tanaka; Kazuhiro Hongo
Atlantoaxial dislocation associated with a mass in the extradural craniovertebral junction unrelated to rheumatoid arthritis. Case report.
Neurologia medico-chirurgica 2007;47(4):182-5.
2007: Tetsuyoshi Horiuchi; Junpei Nitta; Keiichi Sakai; Yuichiro Tanaka; Kazuhiro Hongo
Retraction suture technique for carotid endarterectomy.
Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2007;14(4):369-71.
2007: Tetsuyoshi Horiuchi; Junpei Nitta; Keiichi Sakai; Yuichiro Tanaka; Kazuhiro Hongo
Emergency embolectomy for treatment of acute middle cerebral artery occlusion.
Journal of neurosurgery 2007;106(2):257-62.
2007: Keiichi Sakai; Kazuhiro Hongo; Yuichiro Tanaka; Jun Nakayama
Analysis of immunohistochemical expression of p53 and the proliferation marker Ki-67 antigen in skull base chordomas: relationships between their expression and prognosis.
Brain tumor pathology 2007;24(2):57-62.
2005: Keiichi Sakai; Hiroaki Shigeta; Yoshifumi Ogiso; Kazuhiro Hongo; Shigeaki Kobayashi; Takanori Hirose
Pediatric embryonal tumor with epithelial immunophenotype showing absence of hSNF5/INI1 expression.
Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery 2005;21(2):150-5.
2004: Kazuhiko Kyoshima; Keiichi Sakai; Miki Kanaji; Susumu Oikawa; Sumio Kobayashi; Atsushi Sato; Jun Nakayama
Symmetric dumbbell ganglioneuromas of bilateral C2 and C3 roots with intradural extension associated with von Recklinghausen's disease: case report.
Surgical neurology 2004;61(5):468-73; discussion 473.
2004: Keiichi Sakai; Yuichiro Tanaka; Kazuhiro Hongo; Tsuyoshi Tada; Hiroaki Shigeta; Shigeaki Kobayashi
[Treatment of craniopharyngiomas in children].
No shinkei geka. Neurological surgery 2004;32(4):345-53.
2004: Kazuhiko Kyoshima; Keiichi Sakai; Tetsuya Goto; Akihiko Tanabe; Atsushi Sato; Hisashi Nagashima; Jun Nakayama
Gross total surgical removal of malignant glioma from the medulla oblongata: report of two adult cases with reference to surgical anatomy.
Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2004;11(1):75-80.
2003: Keiichi Sakai; Hiroshi Okudera; Kazuhiro Hongo
Significant elevation of urinary trypsin inhibitor in patients with brain contusion--a preliminary report.
Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2003;10(6):677-9.
2003: Kazuhiko Kyoshima; Susumu Oikawa; Miki Kanaji; Hideo Zenisaka; Takeomi Takizawa; Tetsuya Goto; Hisayoshi Takasawa; Atsushi Watanabe; Kazuo Tokushige; Keiichi Sakai
Repeat operations in the management of clival chordomas: palliative surgery.
Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2003;10(5):571-8.
2003: Yuichiro Tanaka; Kazuhiro Hongo; Tsuyoshi Tada; Keiichi Sakai; Yukinari Kakizawa; Shigeaki Kobayashi
Growth pattern and rate in residual nonfunctioning pituitary adenomas: correlations among tumor volume doubling time, patient age, and MIB-1 index.
Journal of neurosurgery 2003;98(2):359-65.
2002: Koji Idomari; Keiichi Sakai; Hisayoshi Takasawa; Yosuke Miyairi; Takehiro Yako; Takahiro Murata; Michio Sakamoto; Junpei Nitta; Kazuhiro Hongo; Sigeaki Kobayashi; Toshiki Aoki; Satoshi Kobayashi
[The efficacy of prophylactic administration of SBT/ABPC for postoperative infection in neurosurgical operations].
No shinkei geka. Neurological surgery 2002;30(10):1075-80.
1998: Keiichi Sakai; G Koike; K Seguchi; Y Nakazato
Sinus histiocytosis with massive lymphadenopathy: a case of multiple dural involvement.
Brain tumor pathology 1998;15(2):63-9.
1998: Keiichi Sakai; Yuichiro Tanaka; Kazuo Tokushige; A Tanabe; Shigeaki Kobayashi
Basilar bifurcation aneurysms associated with persistent primitive hypoglossal artery.
Neurosurgical review 1998;21(4):290-4.