Page 4 - Treatment in Istanbul (Turkey)

Dr. Nuri Alper Sahbaz is an experienced endocrine and general surgeon. He graduated from Istanbul University Cerrahpaşa Faculty of Medicine. He also gained advanced clinical experience at Baylor College of Medicine and The University of Texas Medical School. He holds the European Board of Endocrine Surgery Qualification. Only five surgeons in Turkey have this accreditation.

Dr. Sahbaz focuses on surgeries of the thyroid, parathyroid, adrenal gland, and neuroendocrine tumors. He is skilled in laparoscopic and minimally invasive procedures. He has performed more than 2,000 surgeries in these areas. He is also known for his expertise in diagnostic and therapeutic gastrointestinal endoscopy.

Assoc. Prof. Dr Göçmen is a Turkey-based neurosurgeon with over 15 years of experience, specializing in functional neurosurgery and Gamma Knife. He is certified in functional neurosurgery, Gamma Knife and Endovascular procedures, and has won the Young Neurosurgeon Award by the German Society of Neurosurgery in 2014. He has written over 35 papers on brain diseases and neurosurgery, and is a member of several neurosurgery and spine organizations.

Dr. Semra Kahraman is an experienced specialist in IVF, andrology, genetics, infertility treatment and preimplantation genetic diagnosis based in Istanbul, Turkey. With extensive work experience and extensive scientific contributions, she is a respected professional in the field, having been awarded a Lifetime Achievement Award from the Turkish Society of Reproductive Medicine and a Star Award from the American Society for Reproductive Medicine.

Dr. Aylin Turan is a highly experienced Dentist Aesthetician with expertise in Bleaching Cosmetics, Implants, Porcelain Fillings, Laminate Veneers, Composites, and Metal Supported Porcelain. She is a member of the Academy of Esthetic Dentistry Association, has completed various courses related to cosmetic dentistry, and graduated from Dicle University Faculty of Dentistry.

EXPERIENCE

2019 - Currently, Istanbul/Istanbul/Turkey

MEMORIAL BAHÇELIEVLER HOSPITAL

Plastic, Reconstructive and Aesthetic Surgery Specialist

2015 - Currently, Istanbul/Istanbul/Turkey

BAHÇEŞEHİR UNIVERSITY FACULTY OF MEDICINE

Faculty Member

2009 - 2009, /ABD

JOHNS HOPKINS UNIVERSITY

Faculty Member

2008 - 2008, /Sweden

UPPSALA UNIVERSITY

Faculty Member

2000 - 2015, Kocaeli/Kocaeli/Turkey

KOCAELI UNIVERSITY FACULTY OF MEDICINE

Faculty Member

EDUCATION

2015

PROFESSOR

2009

ASSOCIATE PROFESSOR

1992 - 1999, Antalya/Turkey

MEDITERRANEAN UNIVERSITY FACULTY OF MEDICINE

Expertise Training

1985 - 1991, Ankara/Turkey

ANKARA UNIVERSITY FACULTY OF MEDICINE

Medical Doctor Training

SCIENTIFIC PUBLICATIONS

Over 170 scientific presentations and speeches at national and international scientific meetings

51 scientific articles, 33 of which are international

Author of 6 books and book chapters

3 TUBITAK projects

2 TUBITAK science incentive awards

Turkish Society of Plastic Reconstructive and Aesthetic Surgery Research Competition 2nd Prize

Abdominal fascial flaps to provide complete implant coverage in one-stage breast reconstruction: an autologous solution

Preoperative colour Doppler evaluation in the planning of gluteal perforator flaps

A new application to increase breast projection in free breast graft reduction mammoplasty

A new application for the repair of penile skin defect; anterior scrotal artery flap

Use of botulinum toxin for correction of asymmetric crying faces

A useful tool for W-plasty design in the excision of irregular lesions

PROFESSIONAL MEMBERSHIPS

Turkish Society of Plastic Reconstructive and Aesthetic Surgery

Aesthetic Plastic Surgery Association

International Society of Plastic Surgery (ISAPS)

Kocaeli Breast Diseases Research and Treatment Association

Turkish Medical Informatics Association

Interplast Turkey Association

Balkan Association of Plastic Reconstuctive Aesthetic. Surgery

The AO Foundation AO CMF

Assoc. Prof. Dr. Vahit Mutlu is a skilled general surgeon at Memorial Ataşehir Hospital in Istanbul with over 12 years of clinical and academic experience. His expertise covers bariatric, gastrointestinal, endocrine, and proctological surgeries. Dr. Mutlu has authored numerous scientific publications and actively contributes to medical research and education.

Assoc. Prof. Dr. Abdulcabbar Kartal is a distinguished colorectal and general surgeon practicing at Anadolu Medical Center in Istanbul. With over 17 years of surgical experience, he specializes in colorectal surgery, HIPEC (hyperthermic intraperitoneal chemotherapy) for peritoneal cancers, bariatric surgery, and minimally invasive procedures.

Dr. Kartal graduated from Istanbul University Faculty of Medicine in 2007 and completed his general surgery specialization at Istanbul Şişli Etfal Training and Research Hospital (2007-2013). He served as Assistant Professor at Istanbul Okan University (2016-2020) before receiving his Associate Professor title in 2020. In 2021, he earned the prestigious FEBS-C certification from the European Society of Coloproctology and became a Fellow of the American College of Surgeons (FACS).

Dr. Kartal has published over 40 articles in international peer-reviewed journals and is an active member of the Turkish Society of Colon and Rectal Surgery, European Society of Coloproctology, and Turkish Surgical Association.

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)

Dr. Ali Karahan, born in 1970 in Kahramanmaraş, graduated from Trakya University

Faculty of Medicine in 1993. He began his career as an emergency doctor and

completed his specialization in Anesthesiology and Reanimation at Okmeydanı

Training and Research Hospital in 2004. Following this, he served as an

anesthesiologist in various public and private hospitals.

Since 2009, Dr. Karahan has specialized in hair transplantation in Istanbul, managing

hair transplant clinics at prestigious hospitals such as Memorial and Kadıköy Şifa. His

expertise in hair transplantation has led him to participate in numerous national and

international conferences. Since 2019, he has continued to provide services in his own

clinic, known for his skill in achieving natural and successful results.

With over 25 years of experience and a strong dedication to his profession, Dr.

Karahan is recognized as one of the leading figures in the field of hair transplantation

in Turkey.

Dr. Revnak Şahin is a hair transplant specialist with over ten years of experience. She focuses on advanced FUE and DHI hair restoration techniques. Dr. Şahin has performed thousands of hair transplant procedures. Her work is known for natural-looking results and high patient satisfaction. She holds a Hair Transplant Certificate from Medical Academy Center and a Mesotherapy Application Certificate from Health Sciences University.

Dr. Şahin practices at Quartz Clinic in İstanbul. She completed her academic training at İstanbul Aydın University. She also gained clinical experience at leading hair transplant centers. Dr. Şahin is known for her personalized treatment plans and innovative methods. She is dedicated to patient care for both local and international patients.

Dr. Orhan Fahri Demir is a specialist in Aesthetic, Plastic, and Reconstructive Surgery. He currently works at Memorial Bahçelievler Hospital. Previously, he was a plastic surgeon at İSÜ Bahçeşehir Liv Hospital from 2023 to 2025 and at Adıyaman Training and Research Hospital from 2021 to 2023. He completed his residency at Ege University Faculty of Medicine Hospital.

Dr. Demir completed his residency in Plastic, Reconstructive, and Aesthetic Surgery at Ege University. He received his medical degree from Gazi University. He holds important certifications, including the Plastic Surgery Resident Training Certificate from the Turkish Society of Plastic Reconstructive and Aesthetic Surgery and a Basic Microsurgery Certificate.

Dr. Demir has spoken at international congresses such as the International Plastic Surgery Congress in Sarajevo (2024) and the Facelift Congress in Azerbaijan (2024). He also served as an instructor at the 46th Microsurgery Course in 2023.

Dr. Ahmet Dajani is an internationally trained oral and maxillofacial surgeon with nearly 20 years of clinical experience. He completed his dental education in Jordan and earned his PhD in Oral and Maxillofacial Surgery from Yeditepe University in Istanbul.

Areas of Expertise:

Implant surgery, impacted tooth extraction, bone grafting, TMJ disorders.

Certifications:

Advanced implant training (Straumann), All-on-4 protocol, PRF applications, and advanced CBCT imaging.

Assoc. Prof. Kıvanç Derya Peker is a surgeon with expertise in pancreatic, gallbladder, liver, and stomach surgeries. He also specializes in obesity and metabolic surgery, as well as kidney transplantation. He completed his medical and surgical training at Istanbul University. He ranked among the top three in the national minor specialty exam for gastroenterological surgery.

Dr. Peker has performed over 400 pancreatic and gastric cancer surgeries and more than 200 liver surgeries. He has also completed many gallbladder, biliary tract, obesity-metabolic procedures, and kidney transplants. He received training at the Mayo Clinic. He co-founded the Hepatopancreatobiliary Surgery unit at Bakırköy Dr. Sadi Konuk Hospital. There, he provided advanced training to surgical residents.

He is known for his research in aging and stem cell treatments. Dr. Peker has established gastroenterology surgery clinics at major hospitals. He is accredited by the Turkish HPB Association and has received a scholarship from the Turkish Surgery Association.

Dr. Huseyin Sinan is a board-certified General Surgeon. He specializes in metabolic and morbid obesity surgery. He has advanced skills in minimally invasive surgical techniques. Dr. Sinan has served in both military and civilian healthcare. He has held positions such as Chief Physician and faculty member. He completed his medical degree and general surgery residency at Gülhane Military Medical Academy. He also completed a fellowship in Advanced Laparoscopic Surgery at the University of Washington.

Dr. Sinan’s clinical interests include metabolic surgery, obesity management, and type 2 diabetes. He also focuses on ileal interposition and transit bipartition procedures. He is a member of the Turkish Surgical Society and the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO). These memberships show his commitment to professional excellence in surgery.

Dr. Omer Faruk Oge is an experienced ophthalmologist with 16 years in the field. He has performed more than 10,000 surgeries. His areas of expertise include strabismus, ocular aesthetics, amblyopia, cataract, laser and intraocular lens procedures, retinal diseases, pediatric eye care, and general eye exams.

Dr. Oge graduated from Istanbul Faculty of Medicine. He completed his specialization at Beyoğlu Eye Training and Research Hospital. He is a member of the Turkish Medical Association, Turkish Ophthalmology Association, and the European Society of Cataract and Refractive Surgeons (ESCRS).

Prof. Dr. Tayfun Apuhan is a specialist in ENT and Head & Neck Surgery. He is known for his skill in treating ear infections, repairing the tympanic membrane, and performing rhinoplasty and septorhinoplasty. He also has experience in adenoidectomy, tonsillectomy, sleep apnea surgery, vocal cord microsurgery, and head and neck tumor surgery. Dr. Apuhan founded the ENT and Head & Neck Surgery Department at Özel A Plus Hisar Intercontinental Hospital.

Dr. Apuhan earned his medical degree from İnönü University. He completed further training at Abant Izzet Baysal University, University Medical Center Hamburg-Eppendorf, Gazi University, and The Ohio State University Comprehensive Cancer Center. He has published over 200 scientific articles. He has also served as a session chair and editor at international conferences and journals. Dr. Apuhan currently leads the audiometry program at Doğuş University.

Award-winning stereotactic and functional neurosurgeon from Turkey, working for over 30 years. 

Expert in deep brain stimulation (DBS). Has provided over 850 successful DBS procedures and more than 1,350 neurosurgery procedures. Broke a Guinness World Record for the biggest number of patients after DBS gathered in one place. Was trained in Germany, Spain, Great Britain, Israel, Belgium, and the USA. Cooperates with Bookimed from 2018 and regularly trains and educates the Bookimed’s team for training and education in neurology.

The Medical Advisory Board expert is a verified credible medical professional with solid theoretical background and practical experience in the field. The expert provides support related to medical content accuracy for medical writers and performs educational workshops to Bookimed coordinators serving patient requests.

The medical content creation under the expert’s control follows rigorous and well-established procedure to be informative, trustworthy, and transparent and making Bookimed.com a credible source of evidence-based health information.

He was born in 1978 in Prizren (Kosovo). After graduating from "Prizren Science High School" in 1996, he started his education at Pristina University Faculty of Medicine in 1996 and graduated from Kocaeli University Faculty of Medicine between 1999-2005. Between 2006-2011, he completed his specialty training in Neurology at Marmara University Faculty of Medicine, Department of Neurology. During her training, she was especially interested in electrophysiology, dementias and movement disorders. Between 2012-2013, she worked as a lecturer at Üsküdar University. Since 2013, she has been working as a Neurology specialist at NPIstanbul Brain Hospital. She has ongoing scientific studies in the field of neurology. He speaks fluent English, Serbian and Bosnian. In his free time, he is engaged in classical Turkish music.

Publications:

• Bilateral Thalamic Anaplastic Glioma: Case Report. Ibrahim Sun, Celal Salcini , Ayca Sun, Baran Yılmaz, Kadriye Agan. Marmara Medical Journal 2008, Volume 21, Issue 3, Page(s) 257-260
• Electrophysiology and Pathology Findings in a Case of Lafora. Ağan K, Erbaş B, Şalçini C, Uluç K, Günal D, Aktan S. 42nd National Neurology Congress, 2006
• Tumefactive MS: A Case Report. Deniz Borucu, Celal Şalçini, Betül Özdilek, Kayıhan Uluç, Neşe Tuncer Elmacı, Dilek İnce Günal. 43rd National Neurology Congress, 2007
• Creutzfeldt-Jacob Disease; Case Report with Radiologic and CSF Findings. Orhan Yılmaz, Celal Şalçini, Mesrure Köseoğlu, Kayıhan Uluç, İpek Midi, Neşe Tuncer,Önder Us, 43rd National Neurology Congress, 2007
• A Case of Tardive Dystonia Secondary to Low Dose Risperidone. Celal Şalçini, Kadriye Ağan, Dilek İnce Günal, 8th National Parkinson and Movement Disorders Congress, 2009
• Transcranial Direct Current Stimulation in a Patient With Schizoaffective Disorder Manic Episode. Gökben Hızlı Sayar, Celal Salcini, Ali Bayram, Gaye Kağan, Nevzat Tarhan, 2012
• Chapter XVI "SPINAL CORD DISEASES" of Merrit's Neurology Handbook, p:493-502 Uz.Dr. Kayıhan Uluç, Dr. Celal Şalçini, Translation editor O. Doğu, Güneş Tıp Kitapevleri, ISBN No: 978-975-277-207-6, Ankara 2009
• Neurophysiologic Approach to the Complex Organization in Spine: A study on F-wave duration and Cutaneous Silent Period in Primary Restless Legs Patients, İşak B., Uluç K., Şalçini C., Clinical Neuorphysyology, 2010

Prof. Yeşim (Yesim) Yıldırım — Medical Oncologist at Anadolu Medical Center (since 2011). ESMO-certified specialist, Professor since 2021, author of 80+ scientific publications. Trained at top centers — Rambam (Israel) and Mount Vernon (UK). Treats breast, lung, and gastrointestinal (GI) cancers, as well as melanoma and sarcomas; uses immunotherapy and targeted therapy.

Why patients choose Dr. Yeşim Yıldırım:

• 20+ years of clinical practice; Professor of Medical Oncology since 2021.
• 80+ peer-reviewed publications in tumor biology, immunotherapy, and targeted therapy — treatment plans are based on up-to-date evidence.
• ESMO certification — from Europe’s leading oncology society — confirms high qualification and continuous training to international standards.