Best Biopsy Biopsy: TOP 421 doctors

Professor Zafer Gülbaş — hematologist-oncologist, founder and director of the Bone Marrow Transplant Center at Anadolu Medical Center, which is among the largest in Europe.

Why patients choose and trust Dr. Gülbaş:

• Built the Anadolu Bone Marrow Transplant Center from the ground up; the center has performed 3 000+ transplants (since 2010).
• 81% success rate for autologous transplants — a high figure according to the center’s data.
• International training and practice at leading institutions — Hadassah (Israel), Fred Hutch and MD Anderson (USA), Princess Margaret (Canada).
• 260+ scientific publications and 5 000+ citations — underscoring the professor’s significant contribution to transplantation.
• Anadolu Medical Center is an official partner of Johns Hopkins Medicine International, ensuring access to international protocols, multidisciplinary boards, and quality oversight.
• Manages the most complex cases: leukemias, lymphomas, aplastic anemia, and coagulopathies (clotting disorders).

The doctor is a highly regarded oncologist at the Anadolu Medical Center, specializing in medical oncology and chemotherapy. After obtaining a medical degree from Ankara University in 2005, the doctor completed specialty training in internal medicine at Istanbul University and further specialized in medical oncology at Marmara University by 2017. The doctor has led the medical oncology unit at Haydarpaşa Numune Training and Research Hospital and has participated in numerous international clinical studies. The doctor focuses on a wide range of cancers, including breast, urological, lung, and gastrointestinal cancers, among others.

The doctor is a member of several prestigious oncology societies, including the Turkish Society of Medical Oncology, the European Society of Medical Oncology, and the American Society of Medical Oncology. The doctor has participated in advanced training programs globally, including programs at Oxford University and ESMO.

The doctor is a highly experienced Turkish medical oncologist specializing in sarcoma, lymphoma, pancreatic, lung cancer, and breast cancer. With over 20 years of experience, the doctor focuses on tumor biology, tumor immunology, cancer immunotherapy, and targeted therapies. Since 2019, the doctor has been serving as a medical oncologist at Anadolu Medical Center and previously held leadership roles at Istanbul Okan University Faculty of Medicine and GATA Haydarpaşa Training Hospital. The doctor has authored over 40 publications in cancer research and is a member of the Turkish Medical Oncology Association and the European Head and Neck Society.

The doctor is an Urological Oncologist specializing in Minimal Invasive Surgery, Neo-Bladder Reconstruction, and Urological Cancer at Anadolu Medical Center. With a Bachelor Degree from Istanbul University and a Residency in Urology from Marmara University, the doctor has been recognized with several awards, including the Science Encouragement Award for Residency Students in 2008 and the Young Academic Presentation Award in 2012.

The doctor is an Executive Board Member of the Association of Urooncology and Secretary of the Bladder Tumours Research Group. Additionally, the doctor is a member of the International Bladder Cancer Network, European Association of Urology, and the American College of Surgeons.

Dr. Kemal Raşa is an experienced general surgeon with over 20 years of practice, specializing in breast cancer, pancreatic and thyroid cancer surgery, and glucose metabolism and infection treatment. He is the President of the Surgical Infection Society - Europe and a lecturer in several departments. He is also a member of The Surgical Infection Society Europe (SIS-E), The World Society of Emergency Surgery (WSES), The World Surgical Infection Society, The Turkish Medical Association and The Turkish Surgical Association.

The doctor graduated from Cerrahpaşa School of Medicine, Istanbul University in 2000 and completed residency in Internal Medicine at Ankara University by 2004, earning the title of Internist. With a prolific academic career, the doctor has contributed 19 international papers, 6 local papers, and presented at 25 local and international congresses. The doctor received the Best Verbal Presentation and Best Poster Awards at the 7th International Gastrointestinal System Cancers Congress.

Specializing in advanced endoscopic procedures, the doctor focuses on treatments such as POEM for achalasia, ESD for early-stage gastrointestinal cancers, ERCP for bile duct treatment, Z-POEM for Zenker’s Diverticulum, and G-POEM for gastroparesis.

Dr. Esra Tustas Haberal is a specialist in obstetrics and gynecology. She earned her medical degree from Istanbul University’s Istanbul School of Medicine in 1997. She completed her postgraduate training at Cerrahpasa Faculty of Medicine. Dr. Haberal received the Schering German First Prize for her research on angiogenesis and irregular bleeding in IUD users. She presented this work at the 3rd International Reproductive Health and Family Planning Congress.

Dr. Haberal’s areas of expertise include high-risk pregnancy care, urinary incontinence, infertility, and minimally invasive surgeries such as laparoscopy and hysteroscopy. She also performs pelvic floor and genital aesthetic surgeries. She has participated in many national and international congresses. Dr. Haberal has worked at Delta Hospital, Çengelköy Ülkü Hospital, and Umraniye Training and Research Hospital.

The doctor is a specialist in Ear, Nose, and Throat Diseases and Head and Neck Surgery, with a medical degree from İnönü University Faculty of Medicine and residency completed at İstanbul Haseki Training and Research Hospital. With over 200 scientific publications, the doctor has held faculty positions at Abant İzzet Baysal University and Istanbul Gelişim University, and currently serves at Doğuş University. The doctor has received advanced training in the United States and Germany, and is the founder of the Ear, Nose, and Throat Department at Özel A plus Hisar Intercontinental Hospital.

Clinical interests include functional and aesthetic nasal surgeries, endoscopic sinus and ear surgeries, and head and neck cancer surgery. The doctor is also experienced in pediatric ENT diseases and vocal cord surgeries.

The doctor graduated from the School of Medicine at Hacettepe University and completed residency at Istanbul Sisli Etfal Training and Research Hospital, followed by a fellowship at the Hacettepe University Cancer Institute.

Specializing in oncology, the doctor has extensive experience in treating various cancers, including breast, testicular, ovarian, lung, head and neck, and gastrointestinal cancers.

The doctor has worked at prestigious institutions such as The University of Texas MD Anderson Cancer Center, Hitit University Corum Training Hospital, and Medical Park Hospital.

Dr. Esra Ozbasli is a board-certified OB-GYN and Genital Aesthetics Surgeon. She has over 21 years of experience and is one of Istanbul’s leading specialists. Dr. Ozbasli is known for her skills in minimally invasive gynecologic and genital aesthetic procedures. She performs robotic surgery and cosmetic gynecology with advanced techniques.

She holds certifications in Genital Aesthetics, Cosmetic Gynecology, and da Vinci Robotic Surgery. Dr. Ozbasli is also ECFMG-accredited. She has published many articles in international journals and has trained other specialists. Her work shows a strong commitment to research and education. Dr. Ozbasli speaks English fluently and provides patient-centered care. She uses the latest technology to achieve the best results for her patients.

After graduating from Istanbul University Cerrahpaşa Faculty of Medicine in 2000, he  

completed his specialization in Gynecology & Obstetrics at Başkent University Faculty of  

Medicine in 2006. He completed his compulsory state service in Nevşehir Ürgüp for 1year

and his military service in Edremit Military Hospital for 1 year. In 2009, he worked as a  

clinical observer in Israel Tel Aviv Chaim Seba Medical Center for 4 months. Between 2009-

2015, he worked as an Obstetrics and Gynecology Specialist at Adana Başkent Hospital.  

Between 2015-2018, he received specialization training in Gynecologic Oncology Surgery at  

Marmara University Faculty of Medicine. During his training, he worked as a clinical observer  

for 2 months in the gynecological oncology center of Charite University Berlin, Germany.  

After completing his subspeciality training, he successfully passed the European Society of  

Gynecologic Oncology (ESGO) exam in Athens in 2019. Between July 2018 and October 2024,  

he worked as a gynecologic oncology surgery specialist at Health Sciences University  

Umraniye Training and Research Hospital. During this period, he completed the DaVinci

Robotic Surgery course and received a robotic surgeon certificate. In 2024, he received the  

title of Associate Professor.  

Dr Cem Yalcinkaya has experience in gynecologic oncologic surgeries, and other basic and  

advanced gynecologic procedures. He is particularly interested in fertility sparing surgeries,  

laparoscopic and robotic surgical procedures.

Education:  

Post Doctorate of Medicine : Marmara University, Gynecologic Oncology Department 2015-

2018, Istanbul

Specialisation in Medicine : Baskent University, Medicine Faculty, Gynecology&Obstetrics  

Department 2001-2006, Ankara

Medical Faculty : Istanbul University Cerrahpasa Medicine Faculty 1994-2000, Istanbul

Work Experience:  

May 2006-October 2007: Urgup State Hospital (Gyn&Ob Compulsory Service)

July 2008-July 2009: Edremit Military Hospital (Military Service)

November 2009-April 2015: Adana Başkent University Hospital Gyn&Ob Department

May 2015-May2018: Marmara University Gynecologic Oncology Residency Program  

July 2018-September 2024: Umraniye Training & Research Hospital

November 2024- Recent: Anadolu Medical Center  

Experience Abroad:

August 2009-November 2009: Tel Hashomer Chaim Sheba Medical Center, ISRAEL  

July 2014-July 2014: Hamburg Asklepios Clinic, GERMANY  

February 2018-March 2018: Berlin Charite Hospital, GERMANY

Memberships to Scientific Organizations:  

ESGO-European Society of Gyneacological Oncology (membership since 2015)

TRSGO-Turkish Society of Gynecologic Oncology (membership since 2016)

Foreign Language: English  

National- International Exams: ESGO Exam Certificate (2019 )

Assoc. Prof. Gorkem Turkkan started his medical education at Gülhane Military Medical Academy in 2003 and completed it at Zonguldak Karaelmas (Bülent Ecevit) University Faculty of Medicine in 2009. He completed his specialization at Trakya University Faculty of Medicine, Department of Radiation Oncology and became a radiation oncology specialist in 2016.

After completing his compulsory service, he served as a Lecturer and Head of Department at Muğla Sıtkı Koçman University Faculty of Medicine, Department of Radiation Oncology, from May 2019 to February 2021. Meanwhile, between March and June 2020, he worked as a clinical researcher at Maastricht University Faculty of Medicine Department of Radiation Oncology – MAASTRO Clinic (Netherlands) on stereotactic radiotherapy, thoracic radiotherapy-related lung toxicity and proton therapy. While he was working at İstinye University Faculty of Medicine, Department of Radiation Oncology and Liv Hospital Ulus Radiation Oncology Clinic between March 2021 and April 2023, he received the title of Associate Professor in February 2023. She has been serving her patients at Hisar Hospital Intercontinental since May 2023.

He has performed both traditional radiotherapy and advanced radiotherapy throughout his career. He is one of the experienced physicians in our country in stereotactic radiotherapy and MRI-guided radiotherapy treatments, which have become increasingly popular and used especially recently. So far, he has successfully completed more than 2500 radiotherapy sessions with the MR-Linac device.

He has been a member of the Turkish Society of Radiation Oncology (TROD) since 2013 and the European Society of Radiotherapy and Oncology (ESTRO) since 2015. He has 27 articles published in domestic and international journals, 31 oral-poster presentations presented at national and international congresses, and 5 book chapters published by national and international publishing houses. He taught Term I and Term V undergraduate courses at Muğla Sıtkı Koçman University Faculty of Medicine, postgraduate courses within the scope of Ear Nose and Throat Department Specialization training, and Radiotherapy associate degree courses at İstinye University Vocational School of Health Services. She is currently working on 2 ongoing TÜBİTAK Projects. He is married and has a son.

MEDICAL INTERESTS

MR-Linac

Linac

Stereotactic (Pinpoint) Radiotherapy

Prostate Cancers

Breast Cancers

Lung Cancers

Rectum Cancers

Brain and Spinal Cord Cancers

Head and Neck Cancers

Volumetric Arc Therapy (VMAT)

Intensity Modulated Radiotherapy (IMRT)

The doctor completed medical education and general surgery specialization at Istanbul University Istanbul Faculty of Medicine, followed by a Gastroenterology Surgery Specialization at Kartal Koşuyolu Yüksek İhtisas Training and Research Hospital, ranking in the top 3 in the minor examination. The doctor received a scholarship from the Turkish Surgery Association to work at Mayo Clinic in the Hepatopancreatobiliary and Obesity-Metabolic Surgery Clinics.

Upon returning to Turkey, the doctor co-founded the Hepatopancreatobiliary Surgery unit at Bakırköy Dr. Sadi Konuk Training and Research Hospital and later established the Gastroenterology Surgery Clinic at Başakşehir Çam and Sakura City Hospital. The doctor has performed over 400 pancreatic and gastric cancer surgeries, over 200 liver surgeries, and numerous surgeries related to gallbladder, biliary tract diseases, and obesity-metabolic conditions.

Prof. Dr. Engin Tutar was born in Istanbul in 1964. He completed his primary and secondary education at Istanbul Erkek Lisesi between 1975 and 1982, and graduated from Istanbul University Istanbul Faculty of Medicine in 1988. In December of the same year, he started his specialization in the Department of Pediatrics at Dr. Lütfi Kırdar Kartal Training and Research Hospital, becoming a specialist in Pediatrics in February 1993. He completed his subspecialty training in Pediatric Gastroenterology, Hepatology, and Nutrition at Marmara University Faculty of Medicine, becoming a subspecialist in 2006. He served as the Assistant Chief Physician and Acting Chief Physician at the 2nd Pediatric Clinic of Dr. Lütfi Kırdar Kartal Training and Research Hospital between 2010 and 2012. In May 2012, he transferred to Marmara University Faculty of Medicine, where he became an Associate Professor in Pediatric Gastroenterology, Hepatology, and Nutrition in 2014, and a Professor in 2020. Alongside his international and national article authorships, he has given over 50 presentations at congresses/courses/association meetings. He retired in May 2024 while serving as the head of the Pediatric Gastroenterology, Hepatology, and Nutrition department at Marmara University Faculty of Medicine. As of June 2024, he is accepting patients at Hisar Hospital Intercontinental.

MEDICAL INTERESTS

• Healthy child monitoring
• Growth and nutritional disorders
• Approach to patients with abdominal pain
• Gastroesophageal reflux
• Chronic diarrhea and chronic constipation
• Celiac disease
• Inflammatory bowel disease
• H. pylori infection-related and unrelated gastritis and ulcers, patients with gastric bleeding
• Liver, gallbladder, and pancreas diseases
• Acute and chronic gastrointestinal infections
• Diagnostic upper and lower gastrointestinal endoscopy
• Therapeutic upper and lower gastrointestinal endoscopy (esophageal variceal bleeding, gastric and small bowel ulcer bleeding, polypectomy)
• 
   

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.

The doctor graduated from the University of Uludag and University of Anatolia Medical School, completing specialization at Dr. Zekai Burak Women Hospital. Joining Dunya IVF Clinic in 2008, the doctor previously contributed to Eskisehir Ministry of Health Maternity and Children Care Hospital, founded Eskisehir Private Surgical Dal Centre, and worked at American Hospital – Woman & Infertility Centre in Istanbul and Anatolia IVF Centre in Ankara. The doctor is specialized in Reproductive Endocrinology and is a certified Embryologist with ESHRE membership. The doctor played a key role in implementing quality management processes leading to an EFQM reward.

The doctor began their medical career as an intern in surgery and traumatology at Clínica Sant Jordi in 1983, followed by a position as a physician with the Mutua Catalana de Accidentes in Barcelona. They continued gaining experience as a medical intern at Hospital General de Catalunya and as a resident physician in general surgery at Hospital de Sant Jaume i Santa Magdalena. Specializing in obstetrics and gynecology, they served as a consultant at Clínica Sant Josep and Hospital General in Manresa. Since 1999, the doctor has been part of the Centro Médico Teknon Medical Staff in Barcelona.

Graduating in Medicine and Surgery from Universidad Autónoma de Barcelona in 1983, the doctor further specialized in obstetrics and gynecology at Institut Universitari Dexeus and holds a European Certificate in Endoscopic Surgery in Gynecology from the University of Clermont-Ferrand I.

The doctor is a highly experienced radiologist and interventional radiologist affiliated with Anadolu Medical Center since 2005. With a fellowship in interventional neuroradiology from the University Hospital of Zurich and a short-term fellowship from Harvard Medical School, the doctor has extensive expertise in neuroradiology and advanced imaging techniques.

Certified by the European Society of Neuroradiology and the Cardiovascular and Interventional Radiological Society of Europe, the doctor holds diplomas in minimally invasive neurological therapy and neuroradiology. A prolific contributor to the field, the doctor has over 100 national and international publications and presentations.