O Ortmann

Affiliations

Department of Gynecology and Obstetrics, University Medical Center Regensburg, Landshuter Straße 65, 93053, Regensburg, Germany.

Publications (21)

Impact of nodal status and treatment strategy on overall survival in advanced stage cervical cancer.

Journal of cancer research and clinical oncology

Avec: Thomas Papathemelis , Stella Knobloch , Michael Gerken , Anton Scharl , Michael Anapolski , Atanas Ignatov , Elisabeth C Inwald , Olaf Ortmann , Sophia Scharl , Monika Klinkhammer-Schalke

Recommendation of adjuvant trastuzumab treatment in HER-2-positive breast cancer patients: insights from quality indicator data collected in certified breast cancer centers in Germany, Italy, Austria, and Switzerland.

Archives of gynecology and obstetrics

Avec: E C Inwald , C Kowalski , S Wesselmann , J Ferencz , O Ortmann

Icb-1 expression inhibits growth and fulvestrant response of breast cancer cells and affects survival of breast cancer patients.

Archives of gynecology and obstetrics

Avec: Maria Riedmeier , Maciej Skrzypczak , Susanne Schüler-Toprak , Olaf Ortmann , Oliver Treeck

Adjuvant chemotherapy for breast cancer patients with axillary lymph node micrometastases.

Breast cancer research and treatment

Avec: Madeleine Hetterich , Michael Gerken , Olaf Ortmann , Elisabeth C Inwald , Monika Klinkhammer-Schalke , Holm Eggemann , Atanas Ignatov

Trastuzumab treatment of patients with early, HER2-positive breast cancer in 17 certified German breast cancer centers.

Journal of cancer research and clinical oncology

Avec: Nora Tabea Sibert , Simone Wesselmann , Clara Breidenbach , Jens Blohmer , Barbara Brückner , Gerhard Gebauer , Marina Dos Santos Guilherme , Andreas Hartkopf , Christoph Lindner , Susanne Peschel , Lorenz Rieger , Friedemann Schad , Paul Strecker , Julia Ferencz , Sebastian Dieng , Elisabeth C Inwald , Christoph Kowalski , Olaf Ortmann

mdm2 gene amplification is associated with luminal breast cancer progression in humanized PDX mice and a worse outcome of estrogen receptor positive disease.

International journal of cancer

Avec: Anja Kathrin Wege , Eva-Maria Rom-Jurek , Paul Jank , Carsten Denkert , Peter Ugocsai , Christine Solbach , Jens-Uwe Blohmer , Bruno Sinn , Marion van Mackelenbergh , Volker Möbus , Andreas Trumpp , Elisabetta Marangoni , Nicole Pfarr , Christoph Irlbeck , Jens Warfsmann , Bernhard Polzer , Florian Weber , Olaf Ortmann , Sibylle Loibl , Valentina Vladimirova , Gero Brockhoff

Risk factors and temporal patterns of recurrences in patients with vulvar cancer: implications for follow-up intervals and duration.

Journal of cancer research and clinical oncology

Avec: Katharina Röhrmoser , Atanas Ignatov , Michael Gerken , Olaf Ortmann , Monika Klinkhammer-Schalke , Thomas Papathemelis

The Complex Roles of Adipokines in Polycystic Ovary Syndrome and Endometriosis.

Biomedicines

Avec: Susanne Schüler-Toprak , Olaf Ortmann , Christa Buechler , Oliver Treeck

[Routine Practice Data for Health Care Analyses: Part 3 of the Manual].

Gesundheitswesen (Bundesverband der Arzte des Offentlichen Gesundheitsdienstes (Germany))

Avec: Christof Veit , Thomas Bierbaum , Simone Wesselmann , Stephanie Stock , Claus-Dieter Heidecke , Christian Apfelbacher , Stefan Benz , Karsten E Dreinhöfer , Michael Hauptmann , Falk Hoffmann , Wolfgang Hoffmann , Thomas Kaiser , Monika Klinkhammer-Schalke , Michael Koller , Tanja Kostuj , Olaf Ortmann , Jochen Schmitt , Holger Schünemann , Max Geraedts

Does timing of neoadjuvant chemotherapy influence the prognosis in patients with early triple negative breast cancer?

Journal of cancer research and clinical oncology

Avec: Maria Eleni Hatzipanagiotou , Miriam Pigerl , Michael Gerken , Sophie Räpple , Verena Zeltner , Madeleine Hetterich , Peter Ugocsai , Miriam Fernandez-Pacheco , Elisabeth Christine Inwald , Monika Klinkhammer-Schalke , Olaf Ortmann , Stephan Seitz

Role of Estrogen Receptor β, G-Protein Coupled Estrogen Receptor and Estrogen-Related Receptors in Endometrial and Ovarian Cancer.

Cancers

Avec: Susanne Schüler-Toprak , Maciej Skrzypczak , Carsten Gründker , Olaf Ortmann , Oliver Treeck

Guideline-concordant chemotherapy in patients with hormone receptor-positive and node-positive, early breast cancer leads to better overall and metastases-free survival with limited benefit in elderly patients.

Archives of gynecology and obstetrics

Avec: Clara Taubenhansl , Olaf Ortmann , Michael Gerken , Elisabeth C Inwald , Monika Klinkhammer-Schalke

Use of oral contraceptives in BRCA mutation carriers and risk for ovarian and breast cancer: a systematic review.

Archives of gynecology and obstetrics

Avec: D Huber , S Seitz , K Kast , G Emons , O Ortmann

Knockdown of estrogen receptor β increases proliferation and affects the transcriptome of endometrial adenocarcinoma cells.

BMC cancer

Avec: Oliver Treeck , Elisabeth Diepolder , Maciej Skrzypczak , Susanne Schüler-Toprak , Olaf Ortmann

Loss of HER2 after HER2-targeted treatment.

Breast cancer research and treatment

Avec: Tanja Ignatov , Franceska Gorbunow , Holm Eggemann , Olaf Ortmann , Atanas Ignatov

Evaluation of impact of elective invasive examinations in patients with transjugular intrahepatic portosystemic shunt in the long-term follow up.

Zeitschrift fur Gastroenterologie

Avec: Leon Louis Seifert , Dennis Görlich , Christian Jansen , Olessja Ortmann , Martin Schoster , Michael Praktiknjo , Wenyi Gu , Philipp Schindler , Michael Köhler , Miriam Maschmeier , Christian Wilms , Carsten Meyer , Hartmut H Schmidt , Moritz Wildgruber , Jonel Trebicka , Hauke Heinzow

Hormone replacement therapy in BRCA mutation carriers and risk of ovarian, endometrial, and breast cancer: a systematic review.

Journal of cancer research and clinical oncology

Avec: D Huber , S Seitz , K Kast , G Emons , O Ortmann

Comparison of survival outcomes and effects of therapy between subtypes of high-grade endometrial cancer - a population-based study.

Acta oncologica (Stockholm, Sweden)

Avec: Sophia Scharl , Michael Gerken , Tim Sprötge , Karin Kronberger , Anton Scharl , Atanas Ignatov , Olaf Ortmann , Oliver Kölbl , Monika Klinkhammer-Schalke , Thomas Papathemelis

[Manual for Methods and Use of Routine Practice Data for Knowledge Generation].

Gesundheitswesen (Bundesverband der Arzte des Offentlichen Gesundheitsdienstes (Germany))

Avec: Monika Klinkhammer-Schalke , Thomas Kaiser , Christian Apfelbacher , Stefan Benz , Karsten E Dreinhöfer , Max Geraedts , Michael Hauptmann , Falk Hoffmann , Wolfgang Hoffmann , Michael Koller , Tanja Kostuj , Christoph Kowalski , Katrin Mugele , Olaf Ortmann , Jochen Schmitt , Holger Schünemann , Christof Veit , Simone Wesselmann , Thomas Bierbaum

Feasibility of ABUS as an Alternative to Handheld Ultrasound for Response Control in Neoadjuvant Breast Cancer Treatment.

Clinical breast cancer

Avec: Maria Eleni Hatzipanagiotou , Deborah Huber , Valeria Gerthofer , Madeleine Hetterich , Blanca Roca Ripoll , Olaf Ortmann , Stephan Seitz

Expression of estrogen-related receptors in ovarian cancer and impact on survival.

Journal of cancer research and clinical oncology

Avec: Susanne Schüler-Toprak , Florian Weber , Maciej Skrzypczak , Olaf Ortmann , Oliver Treeck

Réseau de co-auteurs

Olaf Ortmann 17 collaborations

Monika Klinkhammer-Schalke 8 collaborations

Michael Gerken 6 collaborations

Atanas Ignatov 5 collaborations

Susanne Schüler-Toprak 5 collaborations

Oliver Treeck 5 collaborations

Elisabeth C Inwald 4 collaborations

Maciej Skrzypczak 4 collaborations

Thomas Papathemelis 3 collaborations

Madeleine Hetterich 3 collaborations

Simone Wesselmann 3 collaborations

Anton Scharl 2 collaborations

Sophia Scharl 2 collaborations

Holm Eggemann 2 collaborations

Christoph Kowalski 2 collaborations

Peter Ugocsai 2 collaborations

Florian Weber 2 collaborations

Christof Veit 2 collaborations

Thomas Bierbaum 2 collaborations

Christian Apfelbacher 2 collaborations

Stefan Benz 2 collaborations

Karsten E Dreinhöfer 2 collaborations

Michael Hauptmann 2 collaborations

Falk Hoffmann 2 collaborations

Wolfgang Hoffmann 2 collaborations

Thomas Kaiser 2 collaborations

Michael Koller 2 collaborations

Tanja Kostuj 2 collaborations

Jochen Schmitt 2 collaborations

Holger Schünemann 2 collaborations

Max Geraedts 2 collaborations

Maria Eleni Hatzipanagiotou 2 collaborations

Stephan Seitz 2 collaborations

D Huber 2 collaborations

S Seitz 2 collaborations

K Kast 2 collaborations

G Emons 2 collaborations

Stella Knobloch 1 collaboration

Michael Anapolski 1 collaboration

E C Inwald 1 collaboration

C Kowalski 1 collaboration

S Wesselmann 1 collaboration

J Ferencz 1 collaboration

Maria Riedmeier 1 collaboration

Nora Tabea Sibert 1 collaboration

Clara Breidenbach 1 collaboration

Jens Blohmer 1 collaboration

Barbara Brückner 1 collaboration

Gerhard Gebauer 1 collaboration

Marina Dos Santos Guilherme 1 collaboration

Andreas Hartkopf 1 collaboration

Christoph Lindner 1 collaboration

Susanne Peschel 1 collaboration

Lorenz Rieger 1 collaboration

Friedemann Schad 1 collaboration

Paul Strecker 1 collaboration

Julia Ferencz 1 collaboration

Sebastian Dieng 1 collaboration

Anja Kathrin Wege 1 collaboration

Eva-Maria Rom-Jurek 1 collaboration

Paul Jank 1 collaboration

Carsten Denkert 1 collaboration

Christine Solbach 1 collaboration

Jens-Uwe Blohmer 1 collaboration

Bruno Sinn 1 collaboration

Marion van Mackelenbergh 1 collaboration

Volker Möbus 1 collaboration

Andreas Trumpp 1 collaboration

Elisabetta Marangoni 1 collaboration

Nicole Pfarr 1 collaboration

Christoph Irlbeck 1 collaboration

Jens Warfsmann 1 collaboration

Bernhard Polzer 1 collaboration

Sibylle Loibl 1 collaboration

Valentina Vladimirova 1 collaboration

Gero Brockhoff 1 collaboration

Katharina Röhrmoser 1 collaboration

Christa Buechler 1 collaboration

Stephanie Stock 1 collaboration

Claus-Dieter Heidecke 1 collaboration

Miriam Pigerl 1 collaboration

Sophie Räpple 1 collaboration

Verena Zeltner 1 collaboration

Miriam Fernandez-Pacheco 1 collaboration

Elisabeth Christine Inwald 1 collaboration

Carsten Gründker 1 collaboration

Clara Taubenhansl 1 collaboration

Elisabeth Diepolder 1 collaboration

Tanja Ignatov 1 collaboration

Franceska Gorbunow 1 collaboration

Leon Louis Seifert 1 collaboration

Dennis Görlich 1 collaboration

Christian Jansen 1 collaboration

Olessja Ortmann 1 collaboration

Martin Schoster 1 collaboration

Michael Praktiknjo 1 collaboration

Wenyi Gu 1 collaboration

Philipp Schindler 1 collaboration

Michael Köhler 1 collaboration

Miriam Maschmeier 1 collaboration

Christian Wilms 1 collaboration

Carsten Meyer 1 collaboration

Hartmut H Schmidt 1 collaboration

Moritz Wildgruber 1 collaboration

Jonel Trebicka 1 collaboration

Hauke Heinzow 1 collaboration

Tim Sprötge 1 collaboration

Karin Kronberger 1 collaboration

Oliver Kölbl 1 collaboration

Katrin Mugele 1 collaboration

Deborah Huber 1 collaboration

Valeria Gerthofer 1 collaboration

Blanca Roca Ripoll 1 collaboration