Page 76 - Treatment in Istanbul (Turkey)

Prof. Dr. Makbule Eren is an expert in Pediatric Gastroenterology and Hepatology with more than 20 years of experience. She founded and led the Pediatric Gastroenterology and Hepatology Department at Eskişehir Osmangazi University. Her work has helped improve pediatric digestive health in Turkey.

She became an Associate Professor in 2011 and was promoted to Professor in 2016. Dr. Eren expanded her knowledge in motility and swallowing disorders as a guest professor at Columbia University’s Morgan Stanley Children’s Hospital in New York.

She is known for her skill in minimally invasive pediatric endoscopy. Dr. Eren has performed many diagnostic and therapeutic procedures. She is a founding member of the Eskişehir Celiac Life Association. She speaks English and German, which helps her care for international patients. Dr. Eren currently works at Istinye University and Liv Hospital.

Prof. Dr. Ozan Ozkaya is a highly respected pediatrician with specializations in Pediatrics, Nephrology, and Rheumatology. This triple expertise is uncommon in the medical field. He has over 30 years of experience. Dr. Ozkaya provides thorough care for children with complex kidney and autoimmune diseases. His areas of focus include congenital urinary anomalies, nephrotic syndrome, juvenile idiopathic arthritis, and connective tissue disorders.

Dr. Ozkaya has served in important academic and leadership positions. He was a Professor at Ondokuz Mayıs University and an Education Supervisor at leading hospitals in Turkey. He has helped train many future pediatricians. Since 2017, he has worked at Liv Hospital Istinye University. There, he continues to advance pediatric care and research. Dr. Ozkaya is widely recognized as a leader in pediatric nephrology and rheumatology.

Prof. Dr. Selami Sozubir is a pediatric surgeon and pediatric urologist. He specializes in pediatric genitourinary reconstructive surgery, hypospadias, congenital urinary system abnormalities, pediatric abdominal surgery, oncological surgery, and newborn surgery. He has published 43 international and 34 national articles. His academic work has earned him an h-index of 16.

Dr. Sozubir has received several awards for his contributions to medical science. He is a member of the Pediatric Surgery Association, Pediatric Urology Association, and European Pediatric Urology Association. His memberships show his dedication to high standards in pediatric surgical care.

Prof. Dr. Emre Sivrikoz is a FEBS-certified colorectal surgeon with international training. He completed fellowships at the University of Southern California and St Mark’s Hospital in London through an ESCP scholarship. He holds the Fellow of the European Board of Surgery in Coloproctology, a distinction earned by few surgeons in Europe.

Dr. Sivrikoz specializes in minimally invasive colorectal surgery. He is experienced in advanced laparoscopic and robotic procedures, such as proctocolectomy with J-pouch and extralevator abdominoperineal resection. These techniques help improve safety and recovery times for cancer surgery. He has published over 30 articles in international journals and has presented at more than 20 global surgical congresses.

Besides his work in colorectal surgery, Dr. Sivrikoz is skilled in hernia repair, gallbladder surgery, thyroid surgery, and advanced proctology laser procedures. He has a strong academic background from Istanbul Erkek Lisesi in Germany and brings extensive international experience to his practice.

Dr. Eylem Karatay is a gastroenterologist and Associate Professor with international training. She specializes in advanced endoscopic techniques, including EMR, ESD, and EUS. Dr. Karatay received hands-on training at Johns Hopkins University in the USA and Korea University. She focuses on minimally invasive procedures for early-stage gastrointestinal tumors.

Dr. Karatay has published 16 international articles and written 3 book chapters. She has also presented 23 scientific papers at national and international congresses. She has strong experience in treating Inflammatory Bowel Diseases, esophageal motility disorders, viral hepatitis, and functional GI syndromes such as reflux and IBS.

Her work is recognized by leading medical associations. Dr. Karatay continues to contribute to the field of gastroenterology through both clinical practice and academic research.

Dr. Mustafa Tukenmez is a leading breast surgeon with global recognition in breast oncology. He has published over 40 original research articles in top journals. More than 30 of these are high-impact international publications. His research focuses on triple-negative breast cancer, immune markers, and surgical outcomes. Dr. Tukenmez is a pioneer in minimally invasive breast surgery. He was among the first to use single-port videoendoscopic nipple-sparing mastectomy. This technique provides better cosmetic results and faster recovery for patients.

Dr. Tukenmez played a key role in the NeoSenti-TURK multicentric study. His work helped shape international standards for sentinel lymph node biopsy and neoadjuvant chemotherapy. He has also developed cost-effective surgical training models, making medical education more accessible. His research on PD-L1 expression and immune checkpoint receptors has influenced personalized breast cancer therapy worldwide.

Dr. Gamze Baykan Ozguc is a gynecologist and obstetrician with expertise in advanced women’s health. She is skilled in colposcopic, laparoscopic, hysteroscopic, and urogynecological surgeries. Dr. Ozguc offers minimally invasive procedures that support faster recovery and better outcomes for her patients.

She is certified in both Active Birth and Emergency Obstetric Care. Dr. Ozguc combines natural birthing methods with modern emergency care to provide safe and personalized delivery experiences. She is also trained in aesthetic and functional gynecology, helping women improve their confidence and quality of life.

Dr. Ozguc has worked at respected institutions, including Liv Hospital Ulus and Taksim Training and Research Hospital. She is a member of TJOD, TSRM, and the Turkish Perinatology and Urogynecology Associations. Her certifications include fetal medicine ultrasound, fractional CO₂ laser, and advanced surgical techniques. Dr. Ozguc is committed to ongoing professional development.

Medical Interests 

Diagnosis and Treatment of Peripheral Vascular Disease - Endovascular / Hybrid / Surgical Interventions (Percutaneous arterial and venous interventions (atherectomy, pharmacomechanical thrombectomy, selective thrombolytic procedures, stent, balloon), EVAR-TEVAR, Stem Cell 

1.Diabetic Foot 

2.Critical Leg Ischemia / Gangrene (Acute or Chronic) 

3.Deep Vein Thrombosis 

4.Carotid Artery Stenosis 

5.Aneurysm 

Varicose Veins Treatment (Radiofrequency, surgery, hybrid, sclerotherapy) 

Chronic Renal Failure Vascular Access Problems (Arteriovenous Fistula) (Endovascular – Surgical Interventions) 

Hybrid Vascular Surgery (Interventions in which Open and Angiographic Techniques are used simultaneously) 

Vascular Surgery 

Academic Development 

Adult Heart Surgery (coronary bypass, Valve Surgery) 

Education 

Hacettepe University Faculty of Medicine / Undergraduate / 1994 - 2000 

Hacettepe University / Faculty of Medicine / M.Sc. / 2000 

Turkey Yüksek İhtisas Hospital Clinic of Cardiovascular Surgery / Ph.D.-S. Competency-Medical Specialization / 2007 

University of Health Sciences Ankara Numune Eah Cardiovascular Surgery / Associate Professor Title / 2018

Experience 

Ataturk Chest Disease. And Sky. Cer. Eah Cardiovascular Surgery Clinic / 2007 - 2008 

Erzurum Marshal Çakmak Hospital (Military Service) / 2008 - 2009 

Ataturk Chest Disease. And Sky. Cer. Eah Cardiovascular Surgery Clinic / 2009 - 2011 

Establishment of Ankara Training and Research Hospital Cardiovascular Surgery Clinic / 2011 - 2013 

Health Sciences University Ankara Numune Training and Research Hospital / 2013 - 2019 

Yüksekova State Hospital (Temporary Assignment) / 21.9.2016 - 12.10.2016 

Derecik Barracks Mobile Field Hospital within the Scope of Operation Claw / 20.6.2019 - 20.07.2019 

Health Sciences University Ankara City Hospital / 2019 - 2020 

Baskent University Alanya Practice and Research Hospital / 2020 - 2022

Liv Hospital Ulus / 2022 -

Memberships 

Turkish Society of Cardiovascular Surgery, 2006 

National Society of Vascular and Endovascular Surgery, 2006 

Phlebology Association, 2017 

Minimally Invasive and Robotic Surgery Association, 2017 

Charing Cross-London, Faculty Member, 2018 

European Society for Vascular Surgery, Member, 2018

Dr. Cengiz Sen is an Orthopedics and Traumatology specialist. He has expertise in revision arthroplasty, degenerative joint disease, congenital limb deformities, and pediatric orthopedic disorders. Dr. Sen is skilled in limb lengthening, pseudoarthrosis surgery, and managing periprosthetic infections. He is also a pioneer in using stem cell therapy for orthopedic conditions.

Dr. Sen has published many articles, especially on total knee replacement and infected nonunion. He is a professor at Istanbul University Faculty of Medicine. He has received the AOTT Oral Presentation Award for his academic and clinical achievements.

Medical Interests and Activities 

• Check-Up 

• Healthy Life 

• Sports Physiology 

• Anti-Doping Practices 

Education and Experience 

• • Check-Up and Healthy Life Center, Liv Hospital, Ulus
• • Medical Director, Remed Assistance, International Assistance Group
• • Memorial Hospital, Levent, Istanbul
• • Medical Director, Chief Physician, Clinica Gayrettepe
• • Studies with Prof. Dr. Ustun Korugan on Healthy Life and Sports Physiology
• • Director of Emergency Department, German Hospital, Taksim
• • Director of Emergency Department, International Hospital, Istanbul (1991 - 1995) • Residency in Family Practice, Haydarpasa Numune Hospital (1990 - 1995)
• • Emergency Career Study, NYU Medical Center, New York (1993 - 1994)
• • Doctor of Medicine Degree, Istanbul Faculty of Medicine, Istanbul University
• • Tarsus American College
•  
• Memberships 
•  
• • WONCA (World Organization of Family Doctors)
• • AAEM (American Academy of Emergency Medicine)
• • ISTM (International Society of Travel Medicine)
• • TAHUD (Turkish Association of Family Physicians)
• • WADA (World Anti-Doping Agency)
• • UEFA (Union of European Football Associations)
• • TFF (Anti-Doping Board of the Football Federation)
• • TBF (Anti-Doping Board of the Basketball Federation)
• • THE CLUB (Tarsus American College Alumni Association
•  
• Journal Editing, Membership for Publication and Scientific Advisory Boards 
•  
• • Columnist and Medical Vision Advisor, Sabah Newspaper (2002-Present)
• • EAP (Employee Assistance Program)
• • Anti-Doping Board, Turkish Football Federation
• • Basic and Intermediate Medical Training: Occupational training for employees of the leading Turkish pharmaceutical companies

Dr. Bercem Aycicek is an Associate Professor with over 20 years of experience in endocrinology and metabolic diseases. She is known for her strong clinical skills in treating complex hormonal and metabolic conditions. Her areas of expertise include diabetes, thyroid diseases, obesity, and resistant hypertension.

Dr. Aycicek is one of the few endocrinologists in Turkey with a focus on gender-affirming hormone therapy for trans individuals. She provides evidence-based and sensitive care. She also has a special interest in women’s health, managing issues such as irregular periods, delayed puberty, and metabolic bone diseases.

She earned her Associate Professorship at Health Sciences University Derince. Dr. Aycicek has worked in both public and private healthcare settings, helping to improve access to care. She is an active member of the Turkish Endocrine and Metabolism Society and the European Society of Endocrinology.

Medical Field of Special Interest and Activities 

Molecular Scanning 

Nuclear Oncology 

Radionuclide Treatments

Education and Experience 

2018 - Private LIV Hospital Ulus 

2015 - 2018 İstanbul Bilim University, Şişli Florence Nightingale Hospital 

2006 - 2015 Mersin University Master of Science in Nuclear Medicine 

2005 - 2006 Ankara Özel Denge Medical Centre 

2004 Hacettepe University Medical Faculty 

Specialization Training: 2000 - 2004 Hacettepe University Master of Science in Nuclear Medicine 

Undergraduate: 1993 - 1999 Hacettepe University Medical Faculty

Memberships 

Journal of Musculoskeletal Pain 

Turkish Journal of Clinical Sciences 

Molecular Imaging and Radionuclide Therapy 

Turkish Clinics Journal of Case Reports 

Journal of Clinical and Experimental Investigations 

Journal of Clinical and Analytical Medicine 

Acıbadem University Health Sciences Magazine 

Turkey Nuclear Medicine Association

Researches and Publications 

International Article: 35

Domestic Article: 18 

Chapter Author: 5 

Member of Broadcasting Advisory Board: 7 Domestic-International Magazines 

Internalnational Conference Presentations: 22

1. Medical Interests and Activities 
2. • Lung Cancer (Postdoctoral fellowship, MD Anderson Cancer Center, Houston, TX, USA)
3. • Interventional Bronchoscopy (Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD, USA)
4.  
5. Education and Experience 
6. • Department of Thoracic Diseases, Liv Hospital, Ulus
7. • Faculty of Medicine, İstanbul Bilim University
8. • Ministry of Health Süreyyapaşa Thoracic Diseases Training and Research Hospital
9. • Faculty of Medicine, Marmara University Memberships
10. • IASLC (International Association for the Study of Lung Cancer)
11. • ACCP (American College of Chest Physicians)
12. • TAKD (Turkish Lung Cancer Society) (Executive Board Member)
13. • TTD (Turkish Thoracic Society)
14. • TÜSAD (Turkish Respiratory Research Society)
15.  
16. Memberships 
17. • IASLC (International Association for the Study of Lung Cancer) 
18. • ACCP (American College of Chest Physicians) 
19. • TAKD (Turkish Lung Cancer Society) (Executive Board Member) 
20. • TTD (Turkish Thoracic Society) 
21. • TÜSAD (Turkish Respiratory Research Society) 
22.  
23. Researches and Publications 
24. • International: 48 
25. • National: 60 
26. • Authorship for Books and Book Chapters at National Level: 4 
27. • Medical Fellowship, TEV Orhan Birman, MD 1998 
28. • “Fellow in American College of Chest Physicians” Title, 2009 

Medical Fields of Interest: 

Chronic Leukemia (Chronic Lymphocytes Leukemia/ Chronic Myeloid Leukemia) 

Chronic Myeloproliferative Diseases (Polistemia Vera, Essential Thrombocytosis, Myelofibrosis etc.) 

Lymphoma (Hodgkin’s and Non-Hodgkin’s) 

Multiple Myeloma 

Education: 

Ege University Faculty of Medicine Medical Doctor 1999 - 2005 

Pamukkale University Specialist in Internal Medicine 2006 - 2011 

Pamukkale University Hematologist 2011 - 2014 

ESCCA Summer School On Cytometry/PRAGUE (May 2014) 

Istanbul Training and Research Hospital Hematology Clinic Associate Professor 2018 

Experience: 

Selçuk University Faculty of Medicine Hospital 2015 

Pamukkale University Internal Medicine Residency Training 2016 - 2011 

Denizli Sarayköy State Hospital 2011 - 2011 

Pamukkale University Hematology Minor Residency Training 2011 - 2014 

Istanbul Training and Research Hospital Hematology Clinic Specialist Doctor 2015 - 2020 

Istanbul Training and Research Hospital Hematology Clinic Responsible Authority 2015 - 2020 

Istanbul Training and Research Hospital Hematology Clinic Responsible Authority/ Lecturer 2019 - 2020 

Istanbul Başakşehir Çam and Şakura City Hospital Hematology Clinic Lecturer 2020 - 2020

Liv Hospital Ulus 2020-

Memberships: 

Turkish Society of Hematology 

The Society of Hematological Education and Research (Member of The Board of Directors

Publications:

32 articles published in international peer-reviewed journals 

12 cases published in international peer-reviewed journals 

11 articles published in national peer-reviewed journals 

5 cases published in national peer-reviewed journals

Education:

• Higher Education (6 Years): Marmara University Faculty of Medicine, 2001
• Specialization in Medicine: Istanbul University Istanbul Faculty of Medicine, 2007
   

Experience:

• Faculty of Medicine, University of Rostock, Department of Cardiac Surgery - Research Assistant, August 2007 - August 2008
• King Faisal Specialist Hospital and Research Center, King Faisal Heart Institute - Fellow, August 2008 - October 2008
• Private Göztepe Şafak Hospital, October 2008 - April 2009
• Private Esnaf Hospital, May 2009 - March 2010
• Düzce Atatürk State Hospital, March 2010 - September 2011
• Private Anadolu Medical Center Hospital, October 2011 - June 2013
• Istanbul University Istanbul Faculty of Medicine, July 2013 - December 2018
• Istanbul Medipol University Faculty of Medicine, January 2019 - April 2023
• Biruni University Faculty of Medicine, April 2023 - Present
•  
• Professor: December 18, 2020
• Associate Professor: April 16, 2015-December 18, 2020
• Specialist Doctor: November 2009- April 16, 2015
• Research assistant: June 2002 - July 2007
• Faculty of Medicine: Marmara University - English (1995-2001)[Diploma Grade: 75/100] - Listed in the World Directory of Medical Schools.

Awards:

Second best oral presentation award: Didem Melis Öztaş, Mert Meriç, Metin Onur Beyaz, Mehmet Akif Onalan, Shiraslan Bakhshaliyev, Kıvılcım Sönmez, Kerem Oter, Sedat Ziyade, Beyhan Ömer, Ufuk Alpagut, Murat Uğurlucan. Investigation of the Effect of Erythropoietin on Stem Cell Levels in Cardiovascular Tissue in Diabetic Rats. 19th National Vascular and Endovascular Surgery Congress, Kyrenia, Cyprus, October 26-29, 2019.

Areas Of Interest

Laser Prostate Surgeries (HoLEP, ThuFLEP) 

Robotic & Laparoscopic Surgery 

Robotic Transperineal Prostate MRI/Ultrasound Fusion Biopsy 

Urological Oncological Surgeries 

Female Urology 

Neuro-Urology 

Urethral Stenosis Surgeries (Graft Urethroplasty surgeries) 

Education 

Gulhane Military Medical Faculty 

Gülhane Military Medical Academy Department of Urology

Experience 

Liv Hospital Ulus 

KOLAN International Hospital 

Gülhane Training and Research Hospital 

Gulhane Military Medical Academy Research 

Evaluation of the effects of intracavernosal mitomycin-c administration on rat model in Peyroni’s disease (TÜBİTAK) 

Effects of intradetrusor decorin injection on tissue histopathology in rabbits with partial bladder outlet obstruction (TÜBİTAK)

Memberships 

Turkish Urological Association 

Society of Endourology 

European Society of Urology (EAU) 

American Urological Association (AUA

Dr. Gonul Catli is a pediatric endocrinologist with over 20 years of experience. She specializes in childhood hormonal and metabolic disorders. Her areas of focus include diabetes, thyroid diseases, growth problems, and puberty issues. She received her training at Ankara University and Dokuz Eylul University. Dr. Catli has also worked as an Associate Professor at Izmir Katip Celebi University.

Dr. Catli is known for her scientific work and caring approach. She currently practices at Liv Hospital Ulus and Vadistanbul. She is a member of the European Society of Pediatric Endocrinology (ESPE) and several national associations. Dr. Catli is dedicated to using new treatments to support children’s health and well-being.

Dr. Hamdullah Sozen is a gynecologic oncologist with expertise in ovarian, endometrial, and cervical cancers. He is known for his skills in gynecological endoscopic surgery. Dr. Sozen uses minimally invasive techniques that help patients recover faster and improve outcomes.

He is an expert in colposcopy and cervical pathology. He has advanced training in both diagnostic and interventional procedures. Dr. Sozen completed his medical and oncology training at leading Turkish institutions, including Akdeniz University, Zeynep Kamil, and Istanbul Medical Faculty.

He is an active member of international associations such as ESGO and MEMAGO. Dr. Sozen has contributed to women’s cancer care through his clinical work, research, and teaching.

Areas of Interests

• Acute and chronic respiratory problems
• Respiratory tract infections
• Bronchoscopic diagnosis and treatment procedures
• Asthma
• Breathing problems during sleep
• Cystic fibrosis
• Tuberculosis

Education 

• Istanbul University Istanbul Faculty of Medicine (1991 - 1997) 

• Göztepe Training and Research Hospital, Department of Pediatrics, 1997 - 2002 

• Marmara University Faculty of Medicine, Department of Pediatric Chest Diseases, 2004 - 2007 

Experiences 

• Göztepe Training and Research Hospital Pediatrics Clinic, Pediatrics Specialist, 2002 - 2004 

• Sureyyapasa Chest Diseases Training and Research Hospital, Pediatric Chest Diseases Specialist, 2007 - 2010 

• Bezmialem Vakıf University Faculty of Medicine, Department of Pediatrics, Department of Pediatric Chest Diseases, Pediatric Chest Diseases Specialist, Lecturer, 2010 - 2023

Memberships 

• Turkish Pediatrics Institution, member of the supervisory board 

• Pediatric Chest Diseases Association, board member 

• Türk Toraks Derneği 

• Istanbul Tuberculosis Association 

• European Respiratory Society (ERS)

Dr. Hilmi Apak is a respected pediatric hematology-oncology specialist with more than 21 years of experience. He is trained in pediatric oncology. Dr. Apak has led advanced treatments, including bone marrow transplantation, leukemia chemotherapy, and CAR T-cell therapy.

He has published 75 international medical articles, showing his strong contribution to pediatric oncology research. Dr. Apak has worked as assistant editor for the Turkish Pediatrics Archives Periodical. He has also held important academic and leadership positions, such as Head of Pediatric Hematology-Oncology at Istanbul University-Cerrahpaşa.