Page 53 - Treatment in Istanbul (Turkey)

Dr. Fatih Gumus is a Cardiovascular Surgery Specialist at Memorial Göztepe Hospital (2025–present). He previously served at Memorial Ankara (2023–2025) and Bartın State Hospital (2018–2022). He completed his Cardiovascular Surgery residency at Ankara University (2013–2018). He was a Clinical Fellow at Johns Hopkins University in 2010. He observed Vascular Surgery at the Cleveland Clinic in 2014. He earned his MD from Hacettepe University (English program, 2005–2012).

He has authored five peer-reviewed papers on minimally invasive valve surgery, right heart and LVAD assessment, and DVT therapy. He is a member of EACTS, ISMICS, MIRC, the Turkish Society of Cardiovascular Surgery, and the Turkish Society of Vascular Surgery. He served as faculty at the 19th ICCVS. He gave oral talks at EACTS 2017, ISMICS 2018, and UIP 19th.

Specializations

Arthroscopic Debridement and Microfracture Surgery

Arthroscopic Meniscectomy Surgery

Arthroscopic Anterior Cruciate Ligament Reconstruction

Arthroplasty (Total Joint Prosthesis) Surgery

Knee, Shoulder, Hip Replacement Surgery

Hallux Valgus Surgery (Toe Deformity)

Trauma Surgery

Soft Tissue Tumoral Mass Excision

Experience

Maraş Budaklı Health Center 1993

İnönü University Research Hospital 1994

Kartal Training and Research Hospital 1995-2000

Private Gül Medicine Ensar Hospital 2002

Gebze Central Hospital 2002-2010

Private Oran Cerrah Medical Center 2010-2018

Hospital Park 2019-2021

Education

Cerrahpaşa Faculty of Medicine

Dr. Murat Cakar is an Assistant Professor of Pediatric Surgery. His focus includes neonatal thoracic and abdominal diseases, esophageal atresia replacement, diaphragmatic hernia, pediatric cancer surgery (Wilms tumor, neuroblastoma), and testicular surgical conditions.

He earned his MD from Cumhuriyet University (1998–2005). He completed pediatric surgery training (2006–2011). He worked as a pediatric surgeon (2011–2013). He has served as Head of Pediatric Surgery at Karabük University, İstinye University/Liv Hospital (since 2020), and Aydın University (since 2021).

His roles include Founding Manager of Karabük University Hospital, Head of Laboratory Operations, and Chair of Child Advocacy Centers. He has also served on Medicines and Medical Supplies Commissions. He is a member of the Turkish Association of Pediatric Surgeons and the Pediatric Urology Association.

Dr. Eldaniz Mammadli is a Neurosurgery Specialist at Memorial Göztepe Hospital in Istanbul (2025–present). He completed a neurosurgery residency at Marmara University (2019–2025). He earned his MD from Atatürk University (2013–2019).

He is a member of EANS and the Congress of Neurological Surgeons (CNS). He completed observerships with Prof. Hugues Duffau in Montpellier (2023) and Prof. Michael Lawton at the Barrow Neurological Institute (2024).

He attended WSSFN 2022 and EANS Vascular 2024. He trained at the Yasargil Microneurosurgery Academy in 2024 and 2025. He joined the MGB Neurosurgery Spine Symposium in 2025. He also attended the Turkish Neurosurgical Society Congresses (2020–2023) and skull base and spine cadaver courses in Istanbul (2022–2023).

EDUCATION

Balgrist University, Zurich

• Shoulder and Elbow Observership, Feb 8th - March 23rd, 2023

Bezmialem Vakif University

• Shoulder and Elbow Surgery Fellowship Program, March 1st - July 2nd, 2021

Istanbul Sisli Etfal Research and Training Hospital

• Residency, Orthopaedic Surgery, 2011-2016

Hospital for Special Surgery, USA

• Observership, May 2nd - June 30th, 2016

Istanbul University, Istanbul Faculty of Medicine

• Medical School, 2003–2009

PROFESSIONAL EXPERIENCE

Istanbul Sisli Hamidiye Etfal Research and Training Hospital

• Residency, Orthopaedic Surgery, 2011-2016

Kilis State Hospital

• Orthopaedics Surgeon, 2017-2019

Yedikule Surp Pırgiç Armenian Hospital

• Orthopaedics Surgeon, 2019-2020

Istanbul Sisli Hamidiye Etfal Research and Training Hospital

• Orthopaedics Surgeon, 2020-2024

Medipol Acıbadem Hospital

• Orthopaedics Surgeon, 2024-present

Education:

Medical Specialization

Hacettepe University 2017 - 2007

Medical Specialization (Minor)

Ufuk University 2011 - 2009

Doctorate

Ankara University 2021 - 2000

Undergraduate

Ankara University 2006

Experience: 

Research Assistant

Biotechnology Department, Biotechnology Institute, Ankara University

September 01, 2009 - October 08, 2021

Research Assistant

Department of Pediatrics, Faculty of Medicine, Hacettepe University

February 27, 2014 - February 28, 2017

Research Assistant

Dr. Ridvan Ege Health Research and Application Center, Ufuk University

November 27, 2007 - December 09, 2011

Dr. Zeynep Kabalcı Holtoft is a specialist dentist focused on oral health and implantology. She practices at Memorial Göztepe Hospital and at her private clinic in Istanbul. She was a Specialist at Liv Hospital Vadistanbul. She served as Medical Director and Implantology Specialist at Spain Dental Care in Dubai. She owned DentalSpa Clinic in Istanbul. She also worked as an Aesthetic Dentist at Italian Dental Clinic in Dubai and Italy.

Education and accreditations: She earned a bachelor’s degree in dentistry from Gazi University in 2007. She completed further training at the Faculty of Dentistry at Goethe University from 2015 to 2017. She is a member of the Turkish Dental Association, the Dubai Health Authority, the Dubai Healthcare Association, and the Goethe University MOL Alumni Association.

Advanced training: Cadaveric anatomical training in Vienna in 2017. Digital implant solutions and complication management in Dubai in 2018. Hard‑tissue grafting with autogenous bone in Frankfurt in 2018. Hands‑on implant training and personalized smile design certification. Beginner and advanced botulinum toxin courses in 2020.

Dr. Bora Murat is an Oral and Dental Health Specialist at Memorial Göztepe Hospital (2025–present). He also practices at the Bora Murat Private Clinic in Istanbul (2011–present). He was Clinic Director and Specialist at Liv Hospital Ulus (2018–2025) and Liv Hospital Vadistanbul (2022–2025). He held the same role at Anadolu Medical Center Hospital (2011–2019).

He completed the DGI (German Implant Association) Curriculum in Oral Implantology. He earned his dentistry degree from Istanbul University. He is a member of the Aesthetic Dentistry Academy Association (EDAD) and the Turkish Oral Implantology Association. He has also attended EDAD and European Academy of Esthetic Dentistry congresses.

Dr. Gokay Gunay is an ophthalmologist. He trained at Istanbul University Cerrahpaşa Faculty of Medicine (1991–1997) and at Istanbul University Çapa Faculty of Medicine, Department of Eye Diseases (1997–2001).

He has experience in over 20,000 surgical cases. He is a member of the Turkish Ophthalmology Association, the American Academy of Ophthalmology, the European Society of Cataract and Refractive Surgeons, and the American Society of Cataract and Refractive Surgery. He speaks English.

Education:

• HACETTEPE UNIVERSITY: Specialized in Pediatrics and Pediatric Health Sciences in 2017.
• UFUK UNIVERSITY: Specialized in Basic Biotechnology (Ph.D.) in 2011.
• ANKARA UNIVERSITY: Obtained Doctorate in Medicine in 2021.
• ANKARA UNIVERSITY: Graduated from the Faculty of Medicine in 2006.

• Experience:
• 2017 Hacettepe University Faculty of Medicine, Neonatology
• 2011 Ufuk University Faculty of Medicine, Child Health and Diseases
• 2006 Ankara University, Faculty of Medicine

Dr. Emre TÜRKMEN is an ENT specialist focused on rhinoplasty and nasal and ear aesthetic procedures. He graduated from Istanbul Bilim University Faculty of Medicine in 2008. He completed his ENT specialization at Yeditepe University in 2015. He worked for two and a half years at Giresun Şebinkarahisar State Hospital and served as chief physician in his final year. He later worked at Medipol University Faculty of Medicine and Reyap Private Hospital.

He is a member of the Turkish Facial Plastic Surgery Association. He is also an active member of the European Facial Plastic Surgery Association and attends their meetings regularly. His training includes a Maxillofacial Surgery Course in Turkey and Sinus Surgery Training in Germany. He attends the All in One Rhinoplasty Congress each year. He has taken part in rhinoplasty operations with highly experienced surgeons. He currently practices at Cosmeticium Clinic.

Education:

Marmara University, Istanbul Medical Faculty 1995 - 2002

Pulmonary .Specialty Sureyyapasa Chest Disease and Training Hospital, Istanbul 2003-2008

Experience:

Pulmonary Specialist

Sureyyapasa Chest Disease and Training Hospital, ISTANBUL

 2002‑ 2018.

Chief Assistant 

2011.

Associate Professor 

 2017.

Prof.Dr.

Yeni Yuzyıl University Faculty of Medicine Pulmonary Medicine Dep., Istanbul

Education

• 2000, (Undergraduate / Graduate) Cerrahpaşa Faculty of Medicine, Istanbul University
• 2006, (PhD/ Specialty) Pediatrics, Istanbul Haydarpaşa Numune Training and Research Hospital

Experience

• 2001-2002, (Research Assistant) Istanbul Taksim First Aid Training and Research Hospital, Biochemistry Department
• 2002-2006, (Research Assistant) Istanbul Haydarpaşa Numune Training and Research Hospital
• 2006-2010, (Specialist) Bolu Izzet Baysal Women's Health and Pediatric Hospital
• 2010-2016, (Assistant Professor) Department of Pediatrics, Abant Izzet Baysal University Faculty of Medicine
• 2016, (Associate Professor) Department of Pediatrics, Abant Izzet Baysal University Faculty of Medicine
• 2018-2019, (Associate Professor) Istanbul Private Ersoy Hospital

2019-2024

, 

(Associate Professor)

 Istanbul Private Hisar Intercontinental Hospital

Dr. Ozge Utku Aydemir is a specialist in plastic, reconstructive, and aesthetic surgery. Dr. Aydemir completed residency training at Ankara Bilkent City Hospital (2019–2023). Dr. Aydemir then served as a specialist doctor at Ankara Ataturk Sanatorium Training and Research Hospital (2023–2025). Dr. Aydemir earned an MD from Gazi University (English Program).

EBOPRAS (European Board of Plastic, Reconstructive and Aesthetic Surgery) Part 1 certified on 25 Jan 2025. Interests include facial and breast aesthetics, body contouring, microsurgery and hand surgery, reconstructive surgery, injectables (fillers, Botox), and lasers.

Publications include a 2023 article in The Journal of Hand Surgery on outcomes of wide-awake flexor tendon repairs in 58 fingers and 9 thumbs. Dr. Aydemir also completed a thesis on amniotic membrane use in flexor tendon repair. Presentations include oral and poster sessions at TPRECD and an international congress. Member of TPRECD, Aesthetic Plastic Surgery Society, and Aesthetic Surgery Society.

Dr. Cagdas Erdogan is a gastroenterologist at Ankara Etlik City Hospital. He trained in Internal Medicine and Gastroenterology. He earned his MD from Dokuz Eylul University. He completed his Internal Medicine residency from 2014 to 2019. He then completed a Gastroenterology fellowship at Ankara City Hospital from 2019 to 2022. His clinical focus includes advanced endoscopy (ERCP, EUS, EMR, ESD, POEM, EGD, colonoscopy, double-balloon enteroscopy), inflammatory bowel disease, and hepatology.

He has about 40 publications. His work appears in The Turkish Journal of Gastroenterology, Scientific Reports, Endoscopy, and Digestive Diseases and Sciences. Notable studies address vedolizumab in IBD and prophylaxis for post-ERCP pancreatitis. He also reported a 13-year Crohn’s cohort comparing infliximab and adalimumab. Additional work covers outcomes with an adalimumab biosimilar and innovative endoscopic therapies (MCA via double-balloon enteroscopy, holmium laser for Bouveret syndrome, POEM for Zenker’s diverticulum, and ESD for esophageal papillomatosis).

Education and Expertise 

2012 – Atatürk University Faculty of Medicine – Medical education 

2017 -- University of Health Sciences Istanbul Prof. Dr. N. Reşat Belger Beyoğlu Eye Training and Research Hospital – Specialization 

Courses and Certificates 

TOD 52nd National Congress Cataract and Refr. Surgery BİLEP course 

TODEM Glaucoma Surgery Skill Transfer Program-3 course 

Professional Memberships 

Turkish Medical Association 

Turkish Ophthalmology Association

Articles published in international peer-reviewed journals: 

A1. Changes in Higher-Order Aberrations After Phototherapeutic Keratectomy for Subepithelial Corneal Infiltrates After Epidemic Keratoconjunctivitis (Kepez Yildiz B, Urvasizoglu S, Yildirim Y, Agca A, K Besek N, Fazil K, Eris E, Aygit ED,Taskapili M,Demirok A.) cornea 2017 Oct;36(10):1233-1236. doi: 10.1097/ICO.000000000000129 

A2. Comparison of three methods of tonometry in normal subjects: Goldmann applanation tonometer, non-contact airpuff tonometer, and Tono-Pen XL(Yilmaz I, Altan C, Aygit ED, Alagoz C, Baz O, Ahmet S, Urvasizoglu S, Yasa D, Demirok A Clin Ophthalmol 2014 Jun 7;8:1069-74.doi:10.2147/OPTH.S6391. 

Papers presented at international scientific meetings and published in the proceedings book 

B1. Berna Basarir1, Banu Satana*1, Cigdem Altan1, Semih Urvasizoglu1, Funda Ebru Onmez1, Isil Pasaoglu1, Gamze Ozturk-Karabulut1, Ferah Ozcelik1 " EFFICACY OF TRABECULECTOMY WITH MITOMYCIN-C IN THE MANAGEA GLASS UVEITIS ” Poster notification ( P-FS-349 ), Helsinki, Finland, JuneJuly

Papers presented at national scientific meetings and published in proceedings books:

 C1.S.Urvasızoğlu,Z.Alkın,A.Özkaya,C.Alagöz,Ç.Altan,K.Yüksel,AT.Yazıcı,A.Demirok, “47. "Effectiveness of topical nevanac use in the treatment of acute central serous chorioretinopathy" in the booklet of the "National Turkish Ophthalmology Congress" Poster report (PS-0796), Antalya, Turkey, November, 2013 

C2.S.Urvasızoğlu,Y.Özpınar,İ.Tanır,Y.Yıldırım,A.Ağca,T.Saıcı,Y.Ş.Göker,A.Demirok in the proceedings booklet of the 48th National Turkish Ophthalmology Congress “Femtosecond laser with intracorneal ring placement results” Poster notification (PS-0165), Antalya, Turkey, November, 2014 

C3. S.Urvasızoğlu,Y.Özpınar,İ.Tanır,E.Bozkurt “Effect of Nd-YAG laser posterior capsulotomy on anterior chamber depth” in the proceedings booklet of the 48th National Turkish Ophthalmology Congress Poster report (PS-0456), Antalya, Turkey, November, 2014 

C4. İ.Tanır,Y.Özpınar,U.Ürdem,M.Altun, S.Urvasızoğlu, A.Demirok "Comparison of anterior chamber depth measurement of SIRIUS and ORBSCAN devices" in the proceedings booklet of the 48th National Turkish Ophthalmology Congress Poster report (PS-0185), Antalya, Turkey, November, 2014 

C5. M.Özveren,K.Yüksel,Kİ.Çankaya, A.Özkaya ,M.Toğaç, MC.Öcal, U.Çiçek, S.Urvasızoğlu, G.Demir,S.Ahmet,AT.Yazıcı,A.Demirok 48th National “Success and complications of pneumatic retinopexy application in the treatment of rhegmatogenous retinal detachment” in the Turkish Ophthalmology Congress proceedings booklet, Poster report (PS-1233), Antalya, Turkey, November, 2014 

C6. Semih Urvasızoğlu, Burçin Kepez Yıldız, Yusuf Yıldırım, Alper Ağca, Ahmet Demirok, Muhittin Taşkapılı Effect of Treatment of Corneal Subepithelial Infiltrals with Sequelae of Adenoviral Keratoconjunctivitis with Phototherapeutic Keratectomy on Corneal High Row Aberrations Poster presentation [PS-0592] 2016 November-TOD 50th National Congress 

C7. Yusuf Yıldırım, Semih Urvasızoğlu, Burçin Kepez Yıldız, Alper Ağca, Ahmet Demirok, Muhittin Taşkapılı Visual and refractive results of the treatment of granular corneal dystrophies with phototherapeutic keratectomy Poster presentation [PS-0286] 2016 November-TOD 50th National Congress 

C8. Semih Urvasızoğlu, Zeynep Alkın, Ali Demircan, Dilek Yaşa, Cengiz Alagöz, Ayşe Çiğdem Altan, Ahmet Demirok “The Effect of Prognostic Factors in Chronic Central Serous Chorioretinopathy on Visual and Morphological Results After Half Fluens Photodynamic Therapy” in the 51st National Turkish Ophthalmology Congress proceedings booklet. Poster notification ( PS-0800), Antalya, Turkey, October, 2017 

C9. Semih Urvasızoğlu, Gökhan Demir, Gizem Kutlutürk, Cengiz Alagöz, Dilek Yaşa, Sarıye Taşkoparan, Gürkan Erdoğan, Ahmet Demirok “Our 23 Gauge Pars Plana Vitrectomy Results Performed for Secondary Retinal Detachment” in the proceedings booklet of the 51st National Turkish Ophthalmology Congress Poster notification (PS- 1064), Antalya, Turkey, October , 2017 

Domestic 

C10. Zeynep Alkın, Semih Urvasızoğlu, Dilek Yaşa, Cengiz Alagöz, Çiğdem Altan, Ahmet Demirok Oral presentation of “The Effect of Prognostic Factors in Chronic Central Serous Chorioretinopathy on Relapse After Half-Fluens Photodynamic Therapy” in the proceedings booklet of the 51st National Turkish Ophthalmology Congress (SS-TR-57), Antalya, Turkey, October , 2017

Dr. Salih Taskin is a specialist in obstetrics and gynecology. He also focuses on gynecologic oncology and minimally invasive surgery. He works at Memorial Göztepe Hospital in Istanbul (2025–present). He previously served in Gynecologic Oncology (2014–2025) and in Obstetrics and Gynecology (2002–2025) at the Ankara University Faculty of Medicine.

Accreditations include ESGO Certified Specialist in Gynecologic Oncology (2018) and a fellowship in robotic surgery and gynecologic oncology at McGill University (2014). He completed an OB‑GYN residency at Ankara University and earned his MD at Çukurova University (both 1995–2001).

He is a member of the Turkish Society of Gynecologic Oncology; the Society of Robotic Gynecologic Surgery; the Society of Minimally Invasive Gynecologic Oncology; the Federation of Women’s Health Associations; IGCS; ESGO; ESGE; and SERGS. He is trained in robotic, laparoscopic, and gynecologic cancer surgery.

Dr. Nezih Onur Ermerak is a Thoracic Surgery Specialist at Memorial Göztepe Hospital (2025–). He previously worked in the Department of Thoracic Surgery at Marmara University (2009–2025). He also served at Kilis State Hospital during compulsory service and war surgery (2015–2017).

He completed a Thoracic Surgery fellowship at Washington University in St. Louis (2019–2020). He then completed a Thoracic & Esophageal Surgery fellowship at Dalhousie University (2020–2022). He held a visiting fellowship at Universitätsspital Bern (2011–2012). He finished his residency at Marmara University (2009–2015).

He is President of the Turkish Society of Chest Wall Deformities and Pectus. He served on the Organizing Committee of CWIG 2023 in Istanbul. He completed MI-STARs (2020), MITS (2019), CITI (2024), and KOÇ Laboratory Animal Use certification (2025). He attended the AATS 103rd meeting (2023) and European Thoracic Surgery conferences (2024 and 2025).

Dr. Mehmet Altug Tuncer is a Cardiovascular Surgery Specialist at Memorial Göztepe Hospital (2025–present). He has been Head of Cardiovascular Surgery at Istanbul University Faculty of Medicine since 2018. He has served as an Instructor at Kartal Koşuyolu since 2013. He directed the Aortic Surgery Center there from 2016 to 2018.

He became Professor in 2018 at Istanbul Okan University. He was appointed Associate Professor in 2013. He earned his MD at Istanbul University Cerrahpaşa. He completed cardiovascular surgery training at Koşuyolu. His work includes 38 SCI/SCI-E papers, 19 national articles, and one book.

He is Chairman of the Aortic Surgery Working Group of the Turkish Society of Cardiovascular Surgery. He is a member of the Turkish Medical Association. He also belongs to the Society of Minimally Invasive and Robotic Cardiovascular Surgery. He is a member of the Turkish Society of Clinical Microbiology and Infectious Diseases.