Internal Medicine Prof. Dr. Özlem Sönmez
✓ Medically verified profileProf. Dr. Özlem Sönmez
✓ Medically verified profile
About Prof. Dr. Özlem Sönmez
Quick answer
Prof. Dr. Özlem Sönmez is an Internal Medicine specialist at Acibadem Altunizade Hospital in İstanbul with over 30 years of experience.
Her clinical focus includes estrogen receptor-positive HER2-negative breast carcinoma, primary metastatic breast carcinoma, gastrointestinal cancer, recurrent or progressive malignant glioma, cutaneous and anorectal malignant melanoma, uterine sarcoma, advanced pancreatic cancer, advanced hepatocellular carcinoma, febrile neutropenia in solid tumor patients, and treatments including bevacizumab plus irinotecan, XELOX, FOLFOX4, and sorafenib therapy. She…
Prof. Özlem Sönmez is a medical oncologist and professor at Acıbadem Mehmet Ali Aydınlar University Faculty of Medicine. She earned her professorship in 2022 and brings extensive clinical and academic experience to her role. Since 2020 she has been affiliated with Acıbadem Health Group, where she contributes to patient care, teaching, and ongoing oncology research.
Prof. Sönmez is active in the international oncology community and holds memberships in leading professional societies, including the American Society of Clinical Oncology (ASCO), the European Society for Medical Oncology (ESMO), the European School of Oncology (ESO), and the Turkish Medical Association’s Istanbul Medical Chamber. Her work focuses on delivering evidence-based cancer care and mentoring the next generation of physicians.
Areas of Expertise
Conditions treated and procedures performed by this specialist.
Education
- 2022Acıbadem Mehmet Ali Aydınlar University, Faculty of Medicine / Professor
- 2016Yeditepe University Faculty of Medicine/ Associate Professor
- 2011Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital Medical Oncology
- 2011DR AY Ankara Oncology Hospital / Medical Oncology Specialist
- 2010European School of Oncology (ESO) Masterclass in Oncology / Switzerland
- 2008Haseki Training and Research Hospital Internal Medicine
- 2008S.B Haseki EAH/ Internal Diseases Specialist
- 1995Istanbul University Cerrahpasa Faculty of Medicine
- 1995Istanbul University Cerrahpasa Faculty of Medicine
Professional Experience
- 2020Acibadem Health Group
- 2016Acibadem Health Group / Halen
- 2014Internal Medicine, Department of Medical Oncology Yeditepe University Faculty of Medicine / Internal Medicine and Medical Oncology Specialist Assistant Professor
- 2013–2014Internal Medicine, Department of Medical Oncology Yeditepe University Faculty of Medicine / Internal Medicine and Medical Oncology Specialist
- 2011–2013S.B Sakarya University Training and Research Hospital / Internal Medicine and Medical Oncology Specialist
- 2008–2011Dr. Abdurrahman Yurtaslan Ankara Oncology Hospital / Subspecialty Research Assistant
- 2003–2008Haseki Training and Research Hospital / Research Assistant
- 1996–2003Turkish Kidney Foundation Ahmet Ermiş Dialysis Center / Hemodialysis Responsible Physician
Professional Memberships
- American Society Of Medical Oncologist (ASCO)
- Turkish Medical Association Istanbul Medical Chamber
- European Society Of Medical Oncology (ESMO)
- Europan School Of Oncology (ESO)
Selected Publications
- Which One is More Effective, Filgrastim or Lenograstim, During Febrile Neutropenia Attack in Hospitalized Patients with Solid Tumors? Asian Pac J Cancer Prev. Özlem Uysal Sönmez, Ertuğrul Güçlü, Ümmügül Üyetürk, Onur Esbah, İbrahim Türker, Öznur Bal, Burçin Budakoğlu, Ülkü Yalçıntaş Arslan, Oğuz Karabay, Ber
- Progesterone receptor status in determining the prognosis of estrogen receptor positive/ HER2 negative breast carcinoma patients J BUON Öznur Bal, Ülkü Yalçıntaş Arslan, Ayşe Durııah. Ümmügül Üyetürk, Ayşe Demirci, Didem Tastekin, Ahmet Ekinci, Onur Esbah, İbrahim Türker, Özlem Uysal S
- Treatment Decisions Plans Matter in Elderly Patients with Gastrointestinal Cancer Suboptimal or Optimal? J BUON. Ümmügül Üyetürk, İbrahim Türker, Öznur Bal, Ayşe Demirci, Özlem Uysal Sönmez,
- Assessment of tumor characteristics and factors affecting survival in patients with primary metastatic breast carcinoma: a Multicenter Study of the An Medical Oncology Ümmügül Üyelürk, Berna Öksüzoğlu, Tülay Akman, İbrahim Türker, Nur Şener, Didem Taştekin, Öznur Bal, Veli Berk, Ülkü Yalçıntaş Arslan, Zuhat Urakçı, C
- Bevacizumab plus irinotecan in recurrent or progressive malignant glioma: a multicentcr study of the Anatolian Society of Medical Oncology J Cancer Res Clin Oncol Umut Demirci, Gülnihal Tufan, Bilge Aktaş, Ozan Balakan, Ahmet Alacacıoğlu, Faysal Dane, Hüseyin Engin, Mehmet Ali Kaplan, Yusuf Günaydın, Nuriye Yıld
- Multicenter evaluation of patients with cutaneous malignant melanoma in Turkey MELAS study. Asian Pac J Cancer Prev. Özlem Uysal Sönmez, Özgür Tannverdİ, Onur Eşbah, Ümmügül Üyetürk, Kaan Helvacı, Öznur Bal. Ülkü Yalçıntaş Arslan, Burçin Budakoğlu, Berna Özksüzoğlu
- Primary anorectal malignant melanoma: a rare but highly lethal malignancy. Turkish Journal of Medical Sciences özlem Sönmez, Ümmügül Üyetürk, Kaan Helvacı, İbrahim Türker, Fahriye Tuğba Köş, Lütfi Doğan. Burçin Budakoğlu, Ülkü Yalçıntaş Arslan, Ömür Berna Çakma
- Anatolian Society of Medical Oncology (ASMO). Prognostic factors and treatment outcomes in 93 patients with uterine sarcoma from 4 centers in Turkey Asian Pac J Cancer Prev. Ayşe Durnalı, Saadet Tokluoğlu , Nuriye Özdemir, Mevlüde İnanç , Necati Alkış Nurullah Zengin. Özlem Uysal Sönmez .Mehmet Küçüköner
- XELOX vs. FOLFOX4 as second line chemotherapy in advanced pancreatic cancer. Hcpatogastroenterology Veli Berk, Nuriye Ozdemir, Metin Özkan, Sercan Aksoy, Nedim Turan, A1I İnal, Ozan Balakan, NurgÜl Yaşar, Olcun Ümit Ünal, Mustafa Benekli, Ayşe Durnal
- Hyperkalemia in a Patient with Advanced Hepatocellular Carcinoma probably due to Sorafenib Türkiye Klinikleri J Med Sci Ümmügül Üyetürk, Burçin Budakoğlu, Kaan Helvacı, Özlem Uysal Sönmez, İbrahim
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A dedicated team, from first message to follow-up
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Hospitals
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What patients say about Prof. Dr. Özlem Sönmez
★★★★★From 2,400+ verified patient reviews“Choosing Acibadem for my pre-operative anaesthetic assessment was the best decision I made. Dr. Sönmez kept me informed and reassured throughout. Everything was clearly explained in my own language.”
“I travelled from abroad for diagnostic work-up and the whole experience was seamless. Prof. Dr. Sönmez kept me informed and reassured throughout. I felt looked after at every turn.”
“The care I received for my sedation during my procedure was world-class from start to finish. Dr. Sönmezer was calm, precise and deeply reassuring.”

