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Helmut Ostertag

Research Profile

Disorders

Procedures

Immunohistochemistry

Chemicals & Drugs

Concepts & Ideas

Phenomena

Fluorescent Antibody Technique, Direct

Anatomy

Sphenoid Bone

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Publications

TOP 3
Takahiko Naka; Carsten Boltze; Amir Samii; Madjid Samii; Christian Herold; Helmut Ostertag; Yukihide Iwamoto; Yoshinao Oda; Masazumi Tsuneyoshi; Doerthe Kuester; Albert Roessner
Expression of c-MET, low-molecular-weight cytokeratin, matrix metalloproteinases-1 and -2 in spinal chordoma.
Takahiko Naka; Doerthe Kuester; Carsten Boltze; Torss-Oliver Schulz; Amir Samii; Christian Herold; Helmut Ostertag; Albert Roessner
Expression of matrix metalloproteinases-1, -2, and -9; tissue inhibitors of matrix metalloproteinases-1 and -2; cathepsin B; urokinase plasminogen activator; and plasminogen activator inhibitor, type I in skull base chordoma.
Takahiko Naka; Doerthe Kuester; Carsten Boltze; Stefanie Scheil-Bertram; Amir Samii; Christian Herold; Helmut Ostertag; Sabine Krueger; Albert Roessner
Expression of hepatocyte growth factor and c-MET in skull base chordoma.

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All Publications

2009: Takahiko Naka; Carsten Boltze; Amir Samii; Madjid Samii; Christian Herold; Helmut Ostertag; Yukihide Iwamoto; Yoshinao Oda; Masazumi Tsuneyoshi; Doerthe Kuester; Albert Roessner
Expression of c-MET, low-molecular-weight cytokeratin, matrix metalloproteinases-1 and -2 in spinal chordoma.
Histopathology 2009;54(5):607-13.
2008: Takahiko Naka; Doerthe Kuester; Carsten Boltze; Torss-Oliver Schulz; Amir Samii; Christian Herold; Helmut Ostertag; Albert Roessner
Expression of matrix metalloproteinases-1, -2, and -9; tissue inhibitors of matrix metalloproteinases-1 and -2; cathepsin B; urokinase plasminogen activator; and plasminogen activator inhibitor, type I in skull base chordoma.
Human pathology 2008;39(2):217-23.
2008: Takahiko Naka; Doerthe Kuester; Carsten Boltze; Stefanie Scheil-Bertram; Amir Samii; Christian Herold; Helmut Ostertag; Sabine Krueger; Albert Roessner
Expression of hepatocyte growth factor and c-MET in skull base chordoma.
Cancer 2008;112(1):104-10.
2007: Amir Samii; Venelin Gerganov; Christian Herold; Nakamasa Hayashi; Takahiko Naka; M Javad Mirzayan; Helmut Ostertag; Madjid Samii
Chordomas of the skull base: surgical management and outcome.
Journal of neurosurgery 2007;107(2):319-24.
2005: Takahiko Naka; Carsten Boltze; Doerthe Kuester; Torss-Oliver Schulz; Regine Schneider-Stock; Angela Kellner; Amir Samii; Christian Herold; Helmut Ostertag; Albert Roessner
Alterations of G1-S checkpoint in chordoma: the prognostic impact of p53 overexpression.
Cancer 2005;104(6):1255-63.
2005: Takahiko Naka; Carsten Boltze; Doerthe Kuester; Amir Samii; Christian Herold; Helmut Ostertag; Yukihide Iwamoto; Yoshinao Oda; Masazumi Tsuneyoshi; Albert Roessner
Intralesional fibrous septum in chordoma: a clinicopathologic and immunohistochemical study of 122 lesions.
American journal of clinical pathology 2005;124(2):288-94.
2005: Takahiko Naka; Carsten Boltze; Doerthe Kuester; Amir Samii; Christian Herold; Helmut Ostertag; Yukihide Iwamoto; Yoshinao Odae; Masazumi Tsuneyoshi; Albert Roessner
Histogenesis of intralesional fibrous septum in chordoma.
Pathology, research and practice 2005;201(6):443-7.
2004: Takahiko Naka; Carsten Boltze; Doerthe Kuester; Torss-Oliver Schulz; Amir Samii; Christian Herold; Helmut Ostertag; Albert Roessner
Expression of matrix metalloproteinase (MMP)-1, MMP-2, MMP-9, cathepsin B, and urokinase plasminogen activator in non-skull base chordoma.
American journal of clinical pathology 2004;122(6):926-30.
2003: Takahiko Naka; Carsten Boltze; Amir Samii; Christian Herold; Helmut Ostertag; Yukihide Iwamoto; Yoshinao Oda; Masazumi Tsuneyoshi; Doerthe Kuester; Albert Roessner
Skull base and nonskull base chordomas: clinicopathologic and immunohistochemical study with special reference to nuclear pleomorphism and proliferative ability.
Cancer 2003;98(9):1934-41.
2000: Carsten Haeckel; Sabine Krueger; Doerthe Kuester; Helmut Ostertag; Madjid Samii; F Buehling; D Broemme; Bogdan Czerniak; Albert Roessner
Expression of cathepsin K in chordoma.
Human pathology 2000;31(7):834-40.