Page 20 - Treatment in Istanbul (Turkey)

Dr. Fulya Gokdagli Sigir is an OB/GYN focused on reproductive medicine. She earned her MD from Istanbul University Cerrahpaşa in 2006. She completed her OB/GYN residency at Istanbul Medeniyet University from 2007 to 2013. During her training, she also completed an observership in perinatology at Frankfurt Bürger Hospital.

From 2013 to 2014, she fulfilled compulsory service at Batman Sason State Hospital. She then served as an Assistant Professor at Medipol Mega University Hospital from 2014 to 2017. Her work focused on obstetrics and gynecologic oncology.

She obtained certification in Assisted Reproductive Treatment Practices in 2017 at Memorial Şişli IVF Center. She then worked for about three years as an IVF specialist. At Kolan International Hospital – Şişli IVF Center, she worked from 2021 to 2025. She served as Responsible Physician from 2023 to 2025. She has been an Assistant Professor at Galata University since 2021. Her interests include IVF, IUI, reproductive endocrinology, endometriosis and adenomyosis, and laparoscopic and hysteroscopic surgery.

Dr. Sema Karakas specializes in gynecologic oncology surgery. She also performs minimally invasive gynecologic surgery, including laparoscopy and V-NOTES (scarless) techniques.

She offers V-NOTES hysterectomy and cyst removal. She performs surgery for uterine cancer and tubal ligation. She provides a full range of laparoscopic gynecologic procedures. She treats urinary incontinence with medical, laser, or surgical options and pelvic floor physiotherapy. She manages HPV with diagnosis, treatment, and follow-up. She performs colposcopy, LEEP, and conization. She provides endometriosis care and surgery. She treats polyps and uterine septum with hysteroscopy. She offers perimenopausal and menopausal care and bioidentical hormone therapy.

2021 - Currently, İstanbul

ASSOCIATE PROFESSOR

ASSOCIATE PROFESSOR

2009 - 2012, İstanbul / Turkey

T.R. ISTANBUL SCIENCE UNIVERSITY EUROPEAN FLORENCE NIGHTINGALE HOSPITAL

Minor Specialization Training

2003 - 2008, İstanbul / Turkey

ŞİŞLİ HAMİDİYE ETFAL EDUCATION AND RESEARCH HOSPITAL

Assistant Physician

1990 - 1996, Ankara / Turkey

GAZİ UNIVERSITY FACULTY OF MEDICINE

Medical Doctor Training

2001 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Head of Cardiovascular Surgery Department

1990 - 2001, Istanbul/Istanbul/Türkiye

FLORENCE NIGHTINGALE HOSPITAL

Head of Surgical Sciences

1990 - 1995, Istanbul/Istanbul/Türkiye

ISTANBUL UNIVERSITY INSTITUTE OF CARDIOLOGY

Cardiovascular and Surgery Specialist

1987 - 1990, London/London/England

ST. THOMAS HOSPITAL

Chief Resident of Cardiovascular Surgery

1986 - 1987, Istanbul/Istanbul/Türkiye

ISTANBUL UNIVERSITY FACULTY OF MEDICINE

Chief Assistant of Cardiovascular Surgery

1985 - 1986, Ankara/Ankara/Türkiye

GÜLHANE MILITARY MEDICAL ACADEMY

Dr. Omer Necip Aytug is a respected gastroenterologist. He graduated from Hacettepe University School of Medicine in 1980. He became an internist at Cukurova University in 1985. He completed his gastroenterology fellowship at Marmara University in 1997.

He was named Associate Professor at Firat University in 1989. In 1998, he became a Professor at Abant Izzet Baysal University. Dr. Aytug has written many scientific papers and book chapters. He has also attended several national and international congresses.

He has held important academic and clinical roles at Duzce University Faculty of Medicine, Camlica Medicana Hospital, and Memorial Service Hospital. These positions have established him as an expert in gastroenterology.

Dr. Nurettin Demirkol is a physician with expertise in hypertension, hyperlipidemia, thyroid diseases, diabetes, and vascular conditions. He also manages the follow-up of chronic diseases. Dr. Demirkol has strong experience in identifying causes and making diagnoses. He provides advanced care in internal medicine.

He completed his undergraduate and specialization training at Istanbul University, Istanbul Faculty of Medicine. He also earned a master’s degree in Health Management from Okan University. Dr. Demirkol has worked at Hisar Intercontinental Hospital, Kozyatağı Central Hospital, and Istanbul Faculty of Medicine. He has made important contributions to patient care and chronic disease management at these institutions.

Medical Experience

- *2024 - Present*: Memorial Şişli Hospital  

 Ophthalmology Specialist / Istanbul

- *2022 - 2024*: Liv Hospital Ulus  

 Ophthalmology Specialist / Istanbul

- *2021 - 2022*: Private Clinic  

 Ophthalmology Specialist / Istanbul

- *2019 - 2021*: Şişli Hamidiye Etfal Training and Research Hospital  

 Ophthalmology Specialist / Istanbul

- *2017 - 2019*: Gaziosmanpaşa Taksim Training and Research Hospital  

 Ophthalmology Specialist / Istanbul

- *2015 - 2017*: Tirebolu State Hospital  

 Ophthalmology Specialist / Giresun

 Medical Education

- *2011 - 2015*: Cumhuriyet University Hospital  

 / Sivas / Turkey

- *2000 - 2007*: Gazi University Faculty of Medicine  

 / Ankara / Turkey

2005 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Neurology Specialist

1982 - Present, Istanbul/Istanbul/Türkiye

CERRAHPAŞA MEDICAL FACULTY

Neurology Specialist

2004 - 2006, Istanbul/Türkiye

AMERICAN HOSPITAL

Neurology Specialist

2002 - 2004, Istanbul/Türkiye

GERMAN HOSPITAL

Neurology Specialist

1980 - 1982, Istanbul/Istanbul/Türkiye

MASLAK MILITARY HOSPITAL

(Military Service), Neurology Specialist

Prof. Dr. Nesrin Sarıman graduated from Marmara University Faculty of Medicine (English) in 1990 and completed her specialization in “Chest Diseases and Tuberculosis” at Fatih Sultan Mehmet Training and Research Hospital. She worked at Maltepe University Faculty of Medicine Hospital between from 2004 till 2022, obtaining the titles of associate professor and professor. Her primary areas of interest include; Obstructive Lung Diseases (Asthma-Allergy, COPD), Sleep Disorders (Obstructive Sleep Apnea Syndrome), Lung Cancer, and Smoking Cessation Treatments. She is a bronchoscopy specialist and sleep physician. She has published articles in national and international journals and has authored book chapters. She participated in a multicenter international clinical study on asthma. She has taught undergraduate and graduate courses and supervised master’s theses. She has served as a member of the Clinical Research Ethics Committee. She holds memberships in national and international associations. During the COVID-19 pandemic, she actively participated in COVID-19 services. During her years at Maltepe University Faculty of Medicine, she undertook numerous administrative and academic roles, including serving as the editor of “Maltepe Medical Journal” and as the assistant dean from 2019 till 2022. She participated in certified training programs organized under the Ministry of Health GETAT applications at Medipol University in “Functional Medicine” and “Phytotherapy” and completed training in “Hypnosis Application Training”

Dr. Servet Alan is a specialist in Infectious Diseases and Clinical Microbiology. He works at Memorial Ataşehir Hospital (2010–present) and Memorial Şişli Hospital (2000–present). He previously served at Haseki Training and Research Hospital (1997–2012).

Education: MD, Istanbul University (1983–1989). MSc in Pediatric Infectious Diseases (1991–1993). Residency in Infectious Diseases and Clinical Microbiology, Istanbul University (1993–1997). Master’s in Hospital and Healthcare Management, Beykent University (2004–2007).

Professional memberships: Klimik Association; Turkish Society of Microbiology; Association for Hospital Infections and Control. He has participated in many trainings, courses, seminars, and congresses.

Dr. Gokhan Ertas is a Professor of Cardiology with more than 20 years of clinical and academic experience. He has published 52 articles in international peer-reviewed journals. He has also contributed 3 chapters to national and international books. Dr. Ertas has presented 20 papers at international meetings and 25 at national meetings. He is dedicated to advancing cardiovascular medicine.

He is a member of the Turkish Society of Cardiology, the European Society of Cardiology, and the Stem Cell and Cellular Therapies Association. Dr. Ertas is recognized for his academic work and active role in the global cardiology community.

2018 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL BAHCELIEVLER HOSPITAL

Pediatric Surgery Specialist

2010 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Pediatric Surgery Specialist

1997 - 2010, Istanbul/Istanbul/Türkiye

ISTANBUL UNIVERSITY CERRAHPAŞA MEDICAL FACULTY

Pediatric Surgery Specialist, Lecturer

1996 - 1997, /Abroad

RED CROSS WAR MEMORIAL CHILDREN'S HOSPITAL

Pediatric Surgery Specialist

1990 - 1996, Istanbul/Istanbul/Türkiye

ISTANBUL UNIVERSITY CERRAHPAŞA MEDICAL FACULTY

Pediatric Surgery Specialist, Lecturer

2020 - Present, Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Orthopedics and Traumatology Specialist

2013 - 2020, Istanbul/Türkiye

NISA HOSPITAL

Orthopedics and Traumatology Specialist

2009 - 2013, Istanbul/Türkiye

MEDILIFE HOSPITAL

Orthopedics and Traumatology Specialist

2008 - 2009, Diyarbakir/Türkiye

DIYARBAKIR MILITARY HOSPITAL

Orthopedics and Traumatology Specialist

2004 - 2008, Istanbul/Türkiye

GÜLHANE MILITARY MEDICAL ACADEMY

Orthopedics and Traumatology Specialist Training

2003 - 2004, Kocaeli/Türkiye

TCG GÖKSU NAVAL FORCES COMMAND

Medical Officer, General Practitioner

2002 - 2003, Muğla/Türkiye

TCG MUTUAL NAVAL FORCES COMMAND

Medical Officer, General Practitioner

2001 - 2002, Ankara/Türkiye

ANKARA TRAINING AND RESEARCH HOSPITAL

Medical Officer, General Practitioner

Prof. Dr. Ayla Güven graduated from Gazi University Faculty of Medicine in 1986 and completed her mandatory service at Ege University Chest Diseases Bornova Tuberculosis Dispensary. Following that, she started her specialization training in the Department of Child Health and Diseases at Hacettepe University Faculty of Medicine and became a specialist in 1993. After working as a specialist physician, she began her subspecialty training in Pediatric Endocrinology at Gazi University Faculty of Medicine in September 2000 and became a Pediatric Endocrinology specialist in December 2002. In April 2003, she started working as an assistant professor at Ondokuz Mayıs University Faculty of Medicine and worked in the Pediatric Endocrinology and Diabetes Department at the Children’s Hospital of Pittsburgh, USA, between May and November 2003. After returning to Turkey, she continued to work at Ondokuz Mayıs University Faculty of Medicine. This clinic was the first to offer Pediatric Endocrinology subspecialty training in the country. During her time there, one person became a Pediatric Endocrinology specialist. On March 13, 2006, she successfully passed the exam and received the title of Associate Professor. Since December 2006, she has been working at Göztepe Training and Research Hospital. In this hospital, she was appointed as the head of the Pediatric Endocrinology clinic in November 2008 and started providing Pediatric Endocrinology subspecialty training for the first time in the hospital in March 2009. Between 2009 and 2017, she trained five Pediatric Endocrinology specialists. Most of the physicians she currently provides subspecialty training to have gained academic titles as professors and associate professors. After working as a training instructor at Health Sciences University Zeynep Kamil Hospital for Children and Women from 2017 to 2021, she retired at her request from public service. Between 2021 and 2024, she worked as a Pediatric Endocrinology specialist at Başkent University Faculty of Medicine, Department of Child Health and Diseases, at Istanbul Hospital.

MEDICAL INTERESTS

• Menstrual disorders and increased hair growth in girls, polycystic ovary syndrome
• Adrenal diseases
• Sexual development disorders
• Type 2 diabetes
• Thyroid diseases
• Growth disorders: short stature and tall stature
• Puberty disorders: precocious puberty-delayed puberty

2006 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Pediatric Endocrinology Specialist

2006 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL ATASEHIR HOSPITAL

Pediatric Endocrinology Specialist

2001 - Present, Istanbul/Istanbul/Türkiye

CERRAHPAŞA MEDICAL FACULTY

Head of the Department of Pediatric Endocrinology

1996 - Present, Istanbul/Istanbul/Türkiye

CERRAHPAŞA MEDICAL FACULTY

Founder and Head of Adolescent Science Branch

1993 - 2001, Istanbul/Istanbul/Türkiye

CERRAHPAŞA MEDICAL FACULTY

Member of the Department of Pediatric Endocrinology

1992 - 1993, London/London/England

UNIVERSITY OF LONDON MIDDLESEX HOSPITAL

Visiting Chief Resident of Pediatric Endocrinology and Cellular Endocrinology

1989 - 1992, Istanbul/Istanbul/Türkiye

CERRAHPAŞA MEDICAL FACULTY

Chief Assistant of the Department of Pediatric Endocrinology

1987 - 1989, /Türkiye

MINISTRY OF HEALTH OF THE REPUBLIC OF TURKEY NO.6 AÇSAP

Child Health and Diseases Specialist

1985 - 1987, /Türkiye

MINISTRY OF HEALTH OF THE REPUBLIC OF TURKEY SEREFLIKOCHISAR STATE HOSPITAL

Child Health and Diseases Specialist

EXPERIENCE

2018 - Present, Istanbul, Turkey

MEMORIAL ATAŞEHİR HOSPITAL

Gastroenterology Specialist

2017 - 2018, Istanbul, Turkey

ULUS LIV HOSPITAL

Gastroenterology Specialist

2013 - 2016, Istanbul, Turkey

MEDICAL PARK BAHÇELİEVLER HOSPITAL

Gastroenterology Specialist

2011 - 2013, Nevşehir, Turkey

NEVŞEHİR STATE HOSPITAL

Mandatory Service

EDUCATION

2008 - 2011, Izmir, Turkey

DOKUZ EYLÜL UNIVERSITY

Gastroenterology Residency Training

2002 - 2007, Istanbul, Turkey

ISTANBUL FACULTY OF MEDICINE

Internal Medicine Residency Training

1994 - 2001, Istanbul, Turkey

MARMARA UNIVERSITY FACULTY OF MEDICINE

Medical Degree

SCIENTIFIC PUBLICATIONS

Numerous national and international articles and publications

PROFESSIONAL MEMBERSHIPS

• Turkish Gastroenterology Association

• Turkish Endoscopy Association

• Turkish Liver Research Association

• Internal Medicine Association

PARTICIPATION IN PROFESSIONAL TRAININGS, COURSES, AND CONFERENCES

Extensive participation in various professional training programs, courses, and congresses