





Adnan Isgor is one of the most experienced Turkish endocrine surgeons, professor of general surgery. He works at Memorial Şişli Hospital in Istanbul.
His main specialization is endocrine surgery — operations on the thyroid gland (including thyroid cancer), parathyroid glands, and adrenal glands. In addition, he is involved in breast surgery, including for breast cancer, and hernia surgery.
During his career, he has performed more than 5,000 surgical operations. This is a serious sample, especially in such delicate areas as thyroid and parathyroid surgery.
He has held a number of leading academic and organizational roles in Turkish surgery: from 1991 to 2004 — head of the Department of General Surgery at Şişli Etfal Training and Research Hospital; from 2012 to 2016 — head of the Department of General Surgery at Bahçeşehir University. He was president of the Endocrine Surgery Foundation in 2010–2012.
He is also a member of leading international surgical associations: American College of Surgeons, International Surgical Society, International Association of Endocrine Surgery, Breast Surgery International. He has published more than 200 scientific articles and co-edited four books on surgery.
According to patient reviews, he is an attentive, professional, and communicative doctor. Patients note accurate answers to questions, successful operations, and good follow-up care.
For a patient with thyroid pathology, thyroid cancer, parathyroid adenomas, adrenal tumors, breast cancer, or a complex hernia — this is a “high school” level surgeon with international authority.
General surgery; narrow specialization — endocrine surgery and breast surgery.
Areas: thyroid surgery (including for cancer), parathyroidectomy, adrenal surgery, breast cancer surgery, hernia surgery, surgery for digestive system tumors.
According to Memorial and MedTour — more than 200 scientific articles in Turkish and international journals, co-author and editor of 4 books.
According to Google Scholar — about 1,025 citations.
According to ResearchGate — 51 publications, 732 citations.
Main research topics: thyroidectomy in benign thyroid diseases, wound complications, cervical thymectomy in secondary hyperparathyroidism, surgery for amyloid goiter, management of unilateral non-toxic goiter, breast surgery.
There are publications in World Journal of Endocrine Surgery, Endocrine Practice, Surgery Today.


Memorial Şişli is one of the leading private clinics in Istanbul, the key hospital of the Memorial Hospitals Group network. The network is JCI-accredited, and Şişli is one of its flagships.
The clinic is equipped for the full cycle of diagnosis and treatment:
Modern thyroid and parathyroid surgery at Memorial Şişli includes intraoperative neuromonitoring of the laryngeal nerves to preserve the voice, rapid intraoperative parathyroid hormone determination during parathyroid operations, as well as oncoplastic breast surgery.
