Radiation Oncology Dr. Sedenay Oskeroğlu Kaplan
✓ Medically verified profileDr. Sedenay Oskeroğlu Kaplan
✓ Medically verified profile
About Dr. Sedenay Oskeroğlu Kaplan
Quick answer
Dr. Sedenay Oskeroğlu Kaplan is a Radiation Oncology specialist at Acibadem Atasehir Hospital in İstanbul with 15+ years of experience.
She treats high-risk prostate cancer, rectal cancer, locally advanced rectal cancer, and malignant pleural mesothelioma, and provides external beam radiotherapy, stereotactic body radiotherapy boost, intensity-modulated radiotherapy, volumetric modulated arc therapy, hypofractionated preoperative chemoradiotherapy, and radiation therapy treatment planning. She consults in Turkish and English and offers online video consultation.
M.D. Sedenay Oskeroğlu Kaplan is a board-trained radiation oncologist with clinical training completed at Okmeydanı Training and Research Hospital in 2016. She brings focused expertise in radiation therapy and cancer care, combining evidence-based treatment planning with patient-centered communication. Since 2022, M.D.
Kaplan has been part of the Acıbadem Health Group, where she provides comprehensive radiation oncology services, collaborates with multidisciplinary teams, and participates in ongoing efforts to improve patient outcomes and treatment experiences. Known for a calm, compassionate approach, M.D. Kaplan is committed to tailoring care to each patient’s needs and staying current with advances in radiation oncology to deliver safe, effective therapies.
Areas of Expertise
Conditions treated and procedures performed by this specialist.
Education
- 2016Okmeydanı Training and Research Hospital Radiation Oncology
- 2011Karadeniz Technical University Faculty of Medicine
Professional Experience
- 2022Acibadem Health Group
- 2021–2022Okan University Hospital Radiation Oncology Clinic
- 2017–2021Şanlıurfa Mehmet Akif inan EAH Radiation Oncology Clinic / Specialist Physician
- 2014–2016Okmeydanı EAH Radiation Oncology Clinic / Assistant Physician
- 2012–2014Bezmialem Vakif University / Department of Radiation Oncology / Assistant Physician
- 2011–2012Cayeli Ishakoglu State Hospital / General Practitioner
Selected Publications
- Stereotactic body radiotherapy as a boost after external beam radiotherapy for high-risk prostate cancer patients. Indian J Cancer 2020 Nov 2. doi: 10.4103/iic.lJC 377 19.? Turna M, Akboru H, Ermis E, Oskeroglu S, Dincer S, Altin S.
- The effect of individual nutritional support and nurse follow-up on vveight loss during radiotherapy in cancer patients ACU Health Bil Derg. doi: 10.31067/0.2020.278 Yücel S, Oskeroğlu Kaplan S, Güral Z, Kayış A, Işık F, Ağaoğlu F.
- Dosimetric Comparison of Intensity-Modulated Radiotherapy and Volumetric ArcTherapy for Rectal Cancer Türk J Oncol 2019;34(2) doi: 10.5505/tjo.2018.1870 Oskeroglu Kaplan S, Akbörü FI, Sarall Y, Altin S, Unsal M.
- Currenttreatmentstrategies in malignant pleural mesothelioma with a treatment algorithm Adv Respir Med. 2019;87(5):289-297.doi: 10.5603/ARM.2019.0051. Sayan M, Eren MF, Gupta A, Ohri N, Kötek A, Babalioglu I, Oskeroglu Kaplan S, Duran O, Derinalp Or O, Cukurcayir F, Kurtul N, Ceylaner Bicakci B,
- Hypofractionated Preoperative Chemoradiotherapy In Locally Advanced Rectal Cancer: Preliminary Results. TurkJ Oncol 2019;34(1) doi: 10.5505/tjo.2018.1869 Oskeroglu Kaplan S, Akbörü FI, DinçerS, Baskaya YucelS, Meral I, Sarali Y, Cengiz ErhanS, AltinS
- A study on basic demographic and disease characteristics of cancer-diagnosed Syrian refugees treated in the border city of Turkey, Sanliurfa; a hospital-based retrospective case series study. FJBUON 2017; 22(6): 1591-1594 ISSN: 1107-0625, Online ISSN: 2241-6293 Bakkal Temi Y, Murat Sedef A, Gokcay S, Coskun H, Oskeroglu Kaplan S, Ozkul O, Mertsoylu H, Kose
Frequently Asked Questions
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A dedicated team, from first message to follow-up
Our international patient office coordinates your appointment, travel and treatment at JCI-accredited Acıbadem hospitals — and stays with you in your own language, every step of the way.
Schedule your appointment with Dr. Sedenay Oskeroğlu Kaplan
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What patients say about Dr. Sedenay Oskeroğlu Kaplan
★★★★★From 2,400+ verified patient reviews“My experience with radiotherapy planning here restored my faith in medical care. Dr. Kaplan listened carefully and built a plan I understood. The nursing staff were attentive and kind throughout.”
“Choosing Acibadem for my arrhythmia treatment was the best decision I made. Assoc. Prof. Dr. Kaplangöray went above and beyond what I expected. The follow-up care was just as good as the treatment itself.”
“I flew in specifically for menopause care and was treated with the utmost professionalism. Dr. Kaplan went above and beyond what I expected. The follow-up care was just as good as the treatment itself.”
“I flew in specifically for trauma care and was treated with the utmost professionalism. Dr. Kaplan was thorough, professional and genuinely caring. I have already recommended Acibadem to my family.”

