Publications by authors named "Helmut Ostertag"

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Pleomorphic adenoma with PLAG1 fusion as an isolated kidney mass: lessons learned from a challenging case.
João Lobo, Markus Rechsteiner, Niels J Rupp, Helmut Ostertag, Holger Moch

Histopathology· December 2023

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Molecular Diagnosis of Human Taenia martis Eye Infection.
Till Koch, Christoph Schoen, Birgit Muntau, Marylyn Addo, Helmut Ostertag

Am J Trop Med Hyg· May 2016

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Is a synthetic augmentation in medial open wedge high tibial osteotomies superior to no augmentation in terms of bone-healing?
Felix Ferner, Joerg Dickschas, Helmut Ostertag, Ulrich Poske, Judith Schwitulla

Knee· January 2016

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Prognostic significance of immunohistochemical expression of VEGFR2 and iNOS in spinal chordoma.
Reza Akhavan-Sigari, Michael Robert Gaab, Veit Rohde, Mehdi Abili, Helmut Ostertag

Eur Spine J· November 2014

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Connection between expression of inducible nitric oxide synthase (iNOS) in skull base chordoma and lower urinary tract symptoms.
Reza Akhavan-Sigari, Helmut Ostertag, Veit Rohde, Hossein Tezval

Int Urol Nephrol· November 2014

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Expression of PDGFR-α, EGFR and c-MET in spinal chordoma: a series of 52 patients.
Reza Akhavan-Sigari, Michael Robert Gaab, Veit Rohde, Mehdi Abili, Helmut Ostertag

Anticancer Res· February 2014

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Microscopic examination of iatrogenic subglottic tracheal stenosis: observations that may elucidate its histopathologic origin.
Hans-J Welkoborsky, Michael L Hinni, Hartmut Moebius, Lothar Bauer, Helmut Ostertag

Ann Otol Rhinol Laryngol· January 2014

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Common molecular cytogenetic pathway in papillary tumors of the pineal region (PTPR).
Angelika Gutenberg, Almuth Brandis, Bujung Hong, Bastian Gunawan, Christina Enders, Helmut Ostertag

Brain Pathol· November 2011

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Both epithelial cells and mesenchymal stem cell-derived chondrocytes contribute to the survival of tissue-engineered airway transplants in pigs.
Tetsuhiko Go, Philipp Jungebluth, Silvia Baiguero, Adelaide Asnaghi, Jaume Martorell, Helmut Ostertag

J Thorac Cardiovasc Surg· February 2010

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Structural and morphologic evaluation of a novel detergent-enzymatic tissue-engineered tracheal tubular matrix.
Philipp Jungebluth, Tetsuhiko Go, Adelaide Asnaghi, Silvia Bellini, Jaume Martorell, Helmut Ostertag

J Thorac Cardiovasc Surg· September 2009

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Expression of c-MET, low-molecular-weight cytokeratin, matrix metalloproteinases-1 and -2 in spinal chordoma.
Takahiko Naka, Carsten Boltze, Amir Samii, Madjid Samii, Christian Herold, Helmut Ostertag

Histopathology· April 2009

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An experimental animal model of postobstructive pulmonary hypertension.
Philipp Jungebluth, Helmut Ostertag, Paolo Macchiarini

J Surg Res· June 2008

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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, Torss-Oliver Schulz, Amir Samii, Helmut Ostertag

Hum Pathol· February 2008

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Expression of hepatocyte growth factor and c-MET in skull base chordoma.
Takahiko Naka, Doerthe Kuester, Carsten Boltze, Stefanie Scheil-Bertram, Amir Samii, Helmut Ostertag

Cancer· January 2008

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Predominance of the basal type and HER-2/neu type in brain metastasis from breast cancer.
Jochen Gaedcke, Frank Traub, Simone Milde, Ludwig Wilkens, Alexandru Stan, Helmut Ostertag

Mod Pathol· August 2007

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Chordomas of the skull base: surgical management and outcome.
Amir Samii, Venelin M Gerganov, Christian Herold, Nakamasa Hayashi, Takahiko Naka, Helmut Ostertag

J Neurosurg· August 2007

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Proliferation potential of spinal meningiomas.
Florian Roser, Makoto Nakamura, Mattia Bellinzona, Rainer Ritz, Helmut Ostertag

Eur Spine J· February 2006

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Histogenesis of intralesional fibrous septum in chordoma.
Takahiko Naka, Carsten Boltze, Doerthe Kuester, Amir Samii, Christian Herold, Helmut Ostertag

Pathol Res Pract· October 2005

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Alterations of G1-S checkpoint in chordoma: the prognostic impact of p53 overexpression.
Takahiko Naka, Carsten Boltze, Doerthe Kuester, Torss-Oliver Schulz, Regine Schneider-Stock, Helmut Ostertag

Cancer· September 2005

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Intralesional fibrous septum in chordoma: a clinicopathologic and immunohistochemical study of 122 lesions.
Takahiko Naka, Carsten Boltze, Doerthe Kuester, Amir Samii, Christian Herold, Helmut Ostertag

Am J Clin Pathol· August 2005

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Expression of matrix metalloproteinase (MMP)-1, MMP-2, MMP-9, cathepsin B, and urokinase plasminogen activator in non-skull base chordoma.
Takahiko Naka, Carsten Boltze, Doerthe Kuester, Torss-Oliver Schulz, Amir Samii, Helmut Ostertag

Am J Clin Pathol· December 2004

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Apoptosis, vascularity, and proliferation in primary central nervous system lymphomas (PCNSL): a histopathological study.
Florian Roser, Marco Saini, Rainer Meliss, Helmut Ostertag, Madjid Samii

Surg Neurol· November 2004

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Uncommon primary mediastinal tumours.
Paolo Macchiarini, Helmut Ostertag

Lancet Oncol· February 2004

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Intrasternal respiratory epithelium-lined foregut cyst.
Sven Seiwerth, Corinna Brüschke, Juergen Wiens, Helmut Ostertag, Paolo Macchiarini

J Thorac Cardiovasc Surg· January 2004

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Skull base and nonskull base chordomas: clinicopathologic and immunohistochemical study with special reference to nuclear pleomorphism and proliferative ability.
Takahiko Naka, Carsten Boltze, Amir Samii, Christian Herold, Helmut Ostertag

Cancer· November 2003

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