Appointment
Saturday: 08:00 - 14:00
Dr. Osman Cem Yılmaz is a senior breast surgeon with over 26 years of experience in breast surgery and breast oncology. Throughout his career, he has performed over 10,000 breast surgery operations.
He is internationally recognized for his work in oncoplastic breast surgery, ultrasound-guided breast procedures, and minimal invasive ablation techniques such as cryoablation and radiofrequency ablation.
Dr. Yılmaz has also pioneered the development and clinical implementation of magnetic localization techniques in breast surgery. He has contributed to the clinical development of magnetic sentinel lymph node detection and magnetic lesion localization technologies.
He is actively involved in academic research, surgical education, and international scientific collaborations; he has publications in international peer-reviewed journals, participates in scientific projects, and delivers invited talks at national and international conferences and training programs.
CURRENT POSITION
Director – Breast Center
Istanbul Breast Center
Start Date: June 2016 – Present
LECTURER CURRICULUM VITAE
| Lecturer (Name/Surname) | O. Cem YILMAZ |
|---|---|
| Lecturer is Employed on a Full Time Basis with (Name of Institution) |
Istanbul Breast Center Istanbul Oncology Hospital |
| Present Position | Breast Center Director |
| Appointment to the Present Position | June 2016 |
| Working Experience (No. of years) | 20 |
| Scientific Field of Expertise | Breast Surgery, Breast Oncoplastic Surgery, Ultrasound Guided Breast Interventions, Ablative Treatments, Oncology Centers Quality Management |
| Doctoral Degree | 2000 Ankara University Faculty of Medicine |
| Faculty | Faculty of European Academy Senology 2010–2017 |
| Representative References for the Past Ten Years (write up to 5 references) | Dr. Umberto Veronesi – IEO Milano, Dr. Mahdi Rezai – EaoS, Duisburg Helios Klinikum Brust Zentrum |
| Total Number of Papers in SCI (or SSCI) List | 9 |
| Current Participation in Science Projects | 3 |
| Professional Skills Upgrade (150 words total) | Breast Surgery, Breast Oncoplastic Surgery, Ultrasound Guided Breast Interventions, Ablative Treatments, Oncology Centers Quality Management |
| Other Relevant Data (100 words total) | Qualified in breast center accreditation, oncoplastic surgery, ultrasound guided interventions, sentinel node biopsies with several technologies, giving lectures in SENATURK – Turkish Academy of Senology. |
| Contact and Address |
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Awards and Grants
- Scholarship Presidency of Turkish Republic, 1992
- European Academy of Senology Scholarship, 2010
- Else-Kröner Fresenius Grant – Accreditation Project, 2017
- Best Presentation Award, Artificial Intelligence in Breast Screening with 45000 Screening Mammograms – Turkish Breast Surgery Association Congress 2022
Total Number of Papers in SCI (or SSCI) List
- The Turkish SentiMAG feasibility trial: preliminary results.
Vural V, Yılmaz OC. Breast Cancer. 2020 Mar;27(2):261-265. doi: 10.1007/s12282-019-01016-8. Epub 2019 Oct 16. PMID: 31621053
- Feasibility of Magnetic Technique for Axillary Staging after Neoadjuvant Therapy in Breast Cancer Patients.
Yılmaz OC, Vural V. J Invest Surg. 2022 Jun;35(6):1275-1278. doi: 10.1080/08941939.2022.2038737. Epub 2022 Feb 17. PMID: 35176950
- Comparison of Radio-guided Occult Lesion Localization (ROLL) and Magnetic Occult Lesion Localization (MOLL) for Non-palpable Lesions: A Phantom Model Study.
Aydogan T, Sezgin E, Ilvan S, Yilmaz OC, Aslan N, Golshan M, Aydogan F. Clin Breast Cancer. 2020 Feb;20(1):e9-e13. doi: 10.1016/j.clbc.2019.09.002. Epub 2019 Sep 16. PMID: 31699672
- The emerging role of national academies in surgical training: an inspiring environment for increasing the quality of health care in breast cancer management.
Yilmaz OC, Cantürk NZ, Kebudi A, Güler SA, Erkek A, Rezai M, Güllüoğlu BM. J Cancer Educ. 2014 Jun;29(2):395-400. doi: 10.1007/s13187-014-0626-x. PMID: 24515563
- "Flag Excision and Flap" Procedure: a Novel Modification for Off-Midline Closure After Pilonidal Sinus Excision.
Yucel E, Tezcan L, Yilmaz OC, Akin ML. Indian J Surg. 2015 Dec;77(Suppl 3):1191-5. doi: 10.1007/s12262-015-1241-8. Epub 2015 Feb 7. PMID: 27011534
- Unexpected Finding on Mammography and MRI due to Accumulation of Iron Oxide Particles Used for Sentinel Lymph Node Detection.
Arslan G, Yılmaz C, Çelik L, Çubuk R, Tasalı N. Eur J Breast Health. 2019 Jul 1;15(3):200-202. doi: 10.5152/ejbh.2019.4410. eCollection 2019 Jul. PMID: 31312798
- Turkish national consensus on breast cancer management during temporary state of emergency due to COVID-19 outbreak.
Sezer A, Cicin İ, Karadeniz Çakmak G, Özkan Gürdal S, Başaran G, Oyan B, Eralp Y, Güllüoğlu BM; Turkish National Breast Oncology Specialists Task Force for COVID-19. Turk J Surg. 2020 May 6;36(2):147-163. doi: 10.5578/turkjsurg.4815. eCollection 2020 Jun. PMID: 33015560
- Effects of iron oxide particles on MRI and mammography in breast cancer patients after a sentinel lymph node biopsy with paramagnetic tracers.
Aribal E, Çelik L, Yilmaz C, Demirkiran C, Guner DC. Clin Imaging. 2021 Jul;75:22-26. doi: 10.1016/j.clinimag.2020.12.011. Epub 2020 Dec 26. PMID: 33486148
- Investigation of the effect of weight loss after laparoscopic sleeve gastrectomy on cobb angle, waist and back pain: a prospective study.
Ergin A, Ergin E, Atasever A, Çiyiltepe H, Fersahoğlu MM, Esen Bulut N, Taşdelen İ, Güneş Y, Teke E, Yılmaz C, İlleez Ö, Usta B, Sancak S. Surg Obes Relat Dis. 2023 Dec;19(12):1357-1365. doi: 10.1016/j.soard.2023.07.010. Epub 2023 Aug 4. PMID: 37673710
BOOK CHAPTERS
- Yılmaz OC.
Quality Management in Breast Centers.
In: Breast Cancer: Multidisciplinary Management. Academic Medical Press.
- Gündoğdu A, Yılmaz OC.
Preoperative Preparation in Oncoplastic Breast Surgery.
In: Cantürk NZ, ed. Essentials of Oncoplastic Breast Surgery Techniques. Türkiye Klinikleri; 2026:73-84.
- Yılmaz OC, Güler SA.
Preoperative Preparation for Good Oncoplastic Breast Surgery.
In: Breast Oncoplasty and Reconstruction. Springer; 2023.
Number of breast surgeries performed: 10,000+
Vural V, Yılmaz OC.
Breast Cancer. 2020;27(2):261-265.
Yılmaz OC, Vural V.
Journal of Investigative Surgery. 2022;35(6):1275-1278.
Clinical Breast Cancer. 2020.
Journal of Cancer Education. 2014.
European Journal of Breast Health. 2019.
Clinical Imaging. 2021.
Turkish Journal of Surgery. 2020.
Surgery for Obesity and Related Diseases. 2023.
BMC Cancer. 2026.
World Journal of Surgical Oncology. 2026.
BMC Surgery. 2025.
BMC Surgery. 2025.
Bağcılar Medical Bulletin.
Awards and Scholarships
Republic of Türkiye Presidential Scholarship
(1992)
European Academy of Senology Scholarship
(2010)
Else-Kröner Fresenius Research Grant – Breast Center Accreditation Project
(2017)
Best Presentation Award – AI-Based Breast Screening Study with 45,000 Mammograms
Turkish Breast Surgery Association Congress (2022)
International References
Prof. Dr. Umberto Veronesi – IEO Milano
Prof. Dr. Mahdi Rezai – European Academy of Senology
Helios Clinicum Brustzentrum – Duisburg
Training and Conferences
Dr. Yılmaz actively gives lectures on the following platforms within the scope of breast surgery education:
National breast surgery congresses
International senology meetings
Surgery masterclass programs
Multidisciplinary breast cancer workshops
Türk Senoloji Akademisi (SENATURK) eğitim kursları
Main talking points:
Oncoplastic breast surgery
Ultrasound Guided Breast Surgery
De-escalation in axillary surgery
Magnetic localization techniques
Ablation treatments for breast tumors
PROFESSIONAL MEMBERSHIPS
- Turkish Breast Surgery Association
- European Academy of Senology
- Turkish Senology Academy (SENATURK)
ADDITIONAL PROFESSIONAL QUALIFICATIONS
- Breast Center Accreditation Programs
- Oncoplastic Breast Surgery Training
- Advanced Ultrasound-Guided Surgical Interventions
- Magnetic Sentinel Lymph Node Biopsy Techniques
- Multidisciplinary Breast Cancer Management
LANGUAGES
- Turkish – Native language
- English – Professional working proficiency
