Best oncologists: TOP 780 doctors

Prof. Sadi Kerem Okutur is a Turkish medical oncologist with over 20 years of experience. He is currently working at Memorial Bahçelievler Hospital, and has held various positions in the past. He has a degree in general medicine, and a residency in internal medicine and medical oncology. Prof. Okutur has won a research award and authored numerous papers and book chapters. He is a member of various medical societies.

Oncologist, Specialist in skin cancer treatment

Regular member of the Korean Society of Radiology

Founding member of the Korean Society of Interventional Neurology

Founding member of the Korean Stroke Society

Regular member of the American Stroke Association

Regular member of the World Stroke Society

Regular member of the World Society of Cerebrovascular Surgery

Regular member of the European Society of Cerebrovascular Surgery

Regular member of the Intervention Society

24 pieces of overseas and domestic thesis presentation (SCI)

50 times of overseas and domestic conference lectures

General and digestive tract surgeon with expertise in minimally invasive laparoscopic surgery. Has held Associate Clinical Lecturer and Lecturer positions at the University of Navarre School of Medicine. Member of the Spanish Association of Surgeons, Spanish Society of Obesity Surgery, and European Association for Endoscopic Surgery.

Radiation oncologist

Prof. Mustafa Özdoğan is an experienced cancer specialist with over 20 years of experience and has written over 40 articles on the topic. He is currently the Head of the Medical Oncology Department at Memorial Antalya Hospital in Turkey and holds qualifications in general medicine, internal medicine, and medical oncology. He is a member of the European Medical Oncology Association, the Turkish Medical Oncology Association, the Antalya Breast Cancer Association, and the American Clinical Oncology Association.

Dr. Jose Maria Raventos is a surgeon with 49 years of experience. He specializes in general, abdominal, endocrine, and thyroid surgery. He is known for his advanced laparoscopic skills. Dr. Raventos is also highly experienced in thyroid surgery, including complex thyroid cancer cases.

He has made important contributions to surgical research and education. He has published many scientific articles and is active in several professional associations. Dr. Raventos earned his medical degrees from the University of Barcelona and the University of Minnesota. He completed his residencies at the Red Cross Hospital of Barcelona and the Mayo Clinic in Rochester. He is a founding member of the Teknon Medical Center faculty and the Surgical Associate Surgeons group.

Dr. Lana Bijelic is a board-certified oncological surgeon. She specializes in peritoneal carcinomatosis. Since 2019, she has been part of the Carcinomatosis Surgical Group at the Teknon Oncology Institute. She trained under Prof. Paul Sugarbaker at Washington Hospital Center and brings strong expertise to her team.

Dr. Bijelic has worked as Research Director at Inova Fairfax Hospital. She has also been an associate professor at Virginia Commonwealth University and Georgetown University. She is an active member of the American College of Surgeons and the Society of Surgical Oncology.

Throughout her career, Dr. Bijelic has received many academic awards, including several Surgical Excellence Awards and top prizes in research. She is known for her leadership and important contributions to surgical oncology.

Prof. Boris Pfaffenbach is a highly experienced gastroenterologist and oncology specialist from Germany with a specialty in endoscopic examinations and treatment of the gastrointestinal tract, gallbladder and pancreas disorders. He is the head of the Department of Gastroenterology, Oncology and Internal Medicine at the Medical Center in Solingen and has vast experience in the field, including 9,000 surgeries under his command. He holds degrees in general medicine, internal medicine and gastroenterology, and is the author and co-author of over 130 publications. He is a member of several professional organizations, including the German Society of Gastroenterology, the European Society of Gastroenterology and Endoscopy and the German Dietitian Association.

Prof. Erhun Eyüboğlu is an experienced surgeon specializing in cancer and obesity surgery, particularly the Whipple procedure for pancreatic cancer. He has lectured at Johns Hopkins University and Istanbul University Cerrahpaşa Faculty of Medicine.

Prof. Ralf Buhl is world famous neurosurgeon with over 20 years of experience. Doctor Buhl heads the Neurosurgery Department at Solingen Klinikum. His reputation reaches China and the US where he provides neurosurgical lectures.

Specialty

Dr. Buhl specializes in non-invasive methods treatment of disc herniation, brain and spinal cord tumors. The doctor provides treatment of peripheral nervous system disorders and performs computer-assisted navigation microsurgeries.

Dr. Ralf Buhl has provided over 4,000 successful neurosurgeries. Among his patients are famous politicians, businessmen, musicians, actors. In 2015, a Hollywood star George Clooney had severe back pain and was treated by Professor Buhl.

Scientific activity

Dr. Buhl conducts scientific work and researches in intracranial cavernomas treatment, surgical treatment for brain metastases and other neurosurgery areas.

Рrofessor Buhl has cofound the Fund devoted to the study of brain tumors.

Prof. Dr. Markus Heuser is an urologist and pediatric urologist, with 24 years of medical practice. He specializes in the diagnosis and treatment of diseases of the urinary system and male genitalia, andrology, and cancer treatment. Dr. Heuser has published over 40 scientific articles and is recognized for his expertise in special urological surgery and drug treatment of tumors.

Dr. Manuela Seifert is a top German breast specialist.

Specialty

Dr. Manuela Seifert is a specialist in diagnostics, therapy and aftercare of breast diseases and sonography.

Dr. Seifer applies breast conserving operations as a key treatment method.

Work experience

• Since 2016 – Head of Breast Clinic at Medical Center in Solingen
• 2012-2016 – Breast & senology specialist at Helios Universitätsklinikum Wuppertal
• 2001-2012 – Senior gynecologist and obstetrician in the Gynecology & Obstetrics Department at Klinikverbund St. Antonius und St. Josef GmbH.

Education

• The Medical Faculty of the Heinrich-Heine-University – Degree in general medicine
• Klinikverbund St. Antonius und St. Josef GmbH – Specialty in gynecology and obstetrics.

Dr. Pelles Sharon is an oncologist known for her skill in advanced cancer treatments and clinical research. She has led important studies on how cancer patients view and understand clinical trials. Her work has helped improve patient involvement and outcomes.

Dr. Sharon performs surgeries for colon and stomach cancer, HIPEC, SIRT therapy, and Whipple surgery. She also offers modern treatments such as immunotherapy, targeted therapy, and chemoembolization. She is respected for her high success rates and dedication to evidence-based care.

Medical Interests 

Infertility and Intra Uterin Insemination (IUI) 

IVF Treatment 

Gynecological laparoscopic surgeries 

Hysteroscopic operations 

Pregnancy and vaginal-cesarean birth 

Endometriosis and Adenomyosis 

Laparoscopic endometriosis surgery 

Myoma uteri and surgery of myoma uteri 

Fallopian tube diseases and surgeries 

Ovarian cysts and related laparoscopic operations 

Urinary incontinence surgery 

Gynecological aesthetic surgery 

Uterine and pelvic prolapse surgery 

Cervical premalign lesions and treatments

Education 

Ankara University, School of Medicine (1999 - 2006) 

Ankara Dr. Zekai Tahir Burak Women’s Health and Research Hospital, Proficiency (2007 - 2012) 

Istanbul Kanuni Sultan Suleyman Training and Research Hospital Asistant Prof. (2015 - 2017) 

European Board of Advanced Gynecological Laparoscopic Surgery, IRCAD Strassbourg France (2013) 

Istanbul Kanuni Sultan Suleyman Training and Research Hospital Associate Prof. (2017 - 2020) 

European Board of Endometriosis Surgery, IRCAD Strassbourg, France (2019) 

Experience 

Istanbul Kanuni Sultan Suleyman Training and Research Hospital (2014 - 2020) 

Istanbul Sisli Kolan International Hospital (2020 - 2021) 

Liv Hospital Ulus (2021 -) 

Memberships 

Turkish Society of Reproductive Medicine Association 

Turkish-German Gynecological Association 

Turkish Gynecology and Obstetrics Association 

European Society of Gynecological Endoscopy 

Minimal Invasive Gynecology Association 

Society of Minimal Invasive Urogynecology 

European Urogynecology Association

Considerable Previous Cases

Laparoscopic management of decidualized juvenile cystic adenomyoma mimicking a cornual pregnancy. 

Laparoscopic management of endometrioma coexisting with dermoid tumor in a single ovary presenting as atypical endometrioma 

A case of obstructed hemivagina and ipsilateral renal anomaly syndrome complicated with pyometra: tips and tricks for laparoscopic hemihysterectomy. 

Modified Extraperitoneal Uterosacral Ligament Suspension in Preventing Cuff Prolapse Risk after Vaginal Hysterectomy; 4 Clamp Method. 

Laparoscopic Blinded Endometrial Cavity Resection For Robert's Uterus. 

Laparoscopic Excision Of A Scar Pregnancy And Isthmocele Repair. 

The manchester procedure combined with laparoscopic sacrohysteropexy by retroperitoneal tunneling

2018 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL BAHCELIEVLER HOSPITAL

Radiation Oncology Specialist

1986 - Present, Istanbul/Istanbul/Türkiye

ISTANBUL UNIVERSITY CERRAHPAŞA MEDICAL FACULTY

Radiation Oncology Specialist

2015 - 2018, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Radiation Oncology Specialist

Dr. Kemal Raşa is a highly experienced General Surgeon specializing in Modern Thyroidology & Laparoscopic Surgery with 23 years of experience. He is affiliated with several medical associations and has published several papers in his field.

Dr. Sertkaya graduated from Konya Meram Science High School in 2001 and entered Gazi University Medical Faculty the same year, graduating in 2008. He completed his urology specialization at Haydarpaşa Numune Training and Research Hospital in 2014, becoming a urology specialist.

Since becoming a specialist, he has focused on the sub-branch of Andrology, attending various training sessions and conferences and performing surgeries with some of the world's leading Andrology professors. In 2017, he passed the written and oral proficiency exams conducted by the European Association of Urology, earning the title of "FEBU."

In 2020, Dr. Sertkaya achieved the rank of Associate Professor of Urology. His journey in Urology and Andrology, which began in 2008, continues at the Andro Expertise Male Health and Aesthetics Center, which he founded in 2022. He sees patients in his own clinic and performs surgeries at affiliated hospitals.