Best Doctors in Turkey — Get an Online Consultation

Lecturer Prof. Dr. Mehmet PAŞAOĞLU

Pediatric Surgery

• -Hypospadias Surgery
• -Neonatal Surgery
• -Inguinal Hernia
• -Undescended Testicle
• -Urinary System
• -Thoracic Surgery
• -Abdominal Surgery
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Education

Yük. Lect. (6 YEARS) Hacettepe University Faculty of Medicine 1998
Specialization in Medicine Eskişehir Osmangazi University Faculty of Medicine 2006 Otorhinolaryngology

Experience

Sivas Numune Hospital
SBU Haseki Training and Research Hospital ENT Department 2011-2022

After graduating from Hacettepe Faculty of Medicine, Department of English, he took the TUS exam and started his career as an assistant in Eskişehir Osmangazi ENT Clinic.
After completing his specialization, he was appointed to Sivas Numune Hospital to perform his compulsory service.
During his compulsory service, he was appointed as an assistant professor at Sivas Cumhuriyet University ENT Department, but he did not start due to family reasons and applied for internal appointments.
2011
Between 2011 and 2022, when he worked at Istanbul Haseki Training and Research Hospital, he contributed to the training of countless assistants.
While contributing to the training of assistants, he improved himself in thyroid surgery by attending thyroid surgery courses that he did not receive training in his own assistantship.
24He was entitled to become an Associate Professor on .11.2021.
He started working at Biruni University Faculty of Medicine Hospital ENT Department as of 17.10.2022.

Certificates

Turkish Otorhinolaryngology and Head and Neck Surgery Qualification Board Qualification Certificate, Certificate of Qualification in Otorhinolaryngology, Izmir, Certificate, 23.09.2017 (National)
Turkish Otorhinolaryngology and Head and Neck Surgery Association Rhinology - Rhinoplasty - Allergy and Sleep School, Rhinology - Rhinoplasty - Allergy and Sleep, Istanbul, Izmir, Ankara, Certificate, 01.10.2019 - 28.02.2020 (National)
Turkish Otorhinolaryngology and Head and Neck Surgery Association Otology and Neurotology School, Otology Neurotology, Ankara, Istanbul, Certificate, 01.01.2013 - 01.01.2014 (National)

Dr. Akin Akyurt is an experienced ophthalmologist. He graduated from Istanbul University School of Medicine. He completed advanced fellowships at University Eye Clinics in Cologne and Tuebingen, Germany. He also holds a PhD focused on immunomodulatory therapy for uveitis.

Dr. Akyurt is certified in LASIK, presbyopia correction with multifocal intraocular lenses, scleral fixation, corneal collagen cross-linking, femtosecond anterior segment surgery, and corneal topography analysis. He is a member of the DOG, AAO, ASCRS, and ESCRS.

He has presented at major international congresses, such as the World Ophthalmology Congress and ESCRS meetings. He has contributed to advances in cataract and refractive surgery.

Dr. Tufan Hicdonmez is a neurosurgeon with more than 30 years of experience. He specializes in pediatric and congenital brain and spine surgery. He completed a clinical fellowship at British Columbia’s Children’s Hospital in Vancouver, a leading center for pediatric neurosurgery.

Dr. Hicdonmez is known for treating craniosynostosis, spina bifida, tethered cord, and hydrocephalus. He also performs advanced brain tumor surgeries in children and adults. He served as Chief Neurosurgeon at Istanbul Kartal Dr. Lütfi Kirdar Training Hospital for over ten years, where he trained many future surgeons.

He is a member of the International Society for Pediatric Neurosurgery and the Turkish Neurosurgical Society. He received training at Ege, Istanbul, and Marmara Universities.

Dr. Elvan Yalçın is a pediatric ophthalmologist and strabismus specialist with over 25 years of experience. She is recognized as one of Turkey’s leading experts in her field. Dr. Yalçın trained internationally at Will’s Eye Hospital in California. She has also worked at top clinics such as World Eye Hospital and Liv Hospital.

Dr. Yalçın specializes in the treatment of amblyopia (lazy eye), strabismus surgery, and vision therapy. She has helped thousands of children and adults improve their vision and eye alignment. She is skilled in orthoptic therapies and uses advanced techniques such as synoptophor, vectogram, and contrast sensitivity tests.

Dr. Yalçın has published many international articles and has presented at major congresses, including AAPOS, ESCRS, SOE, and ESA. She has written educational books on pediatric eye health. She is an active member of professional societies such as TTB, TOD, and the Strabismus Entity.

Dr. Tamer Sözen is an expert in high-risk pregnancy care. He has advanced training in Level 2 ultrasonography. Dr. Sözen is known for his skill in managing complex cases. He is also a leader in gynecological aesthetics. He uses new medical and aesthetic methods to improve women’s health and confidence.

Dr. Sözen has worked at respected institutions, including Istanbul Medical Faculty, German Hospital, Avrasya Hospital, and Gölcük Deniz Hospital. He has published 8 international and 20 national scientific articles. This shows his dedication to advancing gynecology and obstetrics.

He is an active member of TJOD, TSRM, and ÜTD. Dr. Sözen is a trusted menopause specialist. He is known for his patient-focused and thorough care at every stage of women’s health.

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. Huseyin Bahadir Gokcen is a Spine Surgery Specialist with fellowship training from Istanbul Florence Nightingale Hospital. He is skilled in advanced spinal techniques and minimally invasive procedures. Dr. Gokcen also has broad orthopedic experience, including trauma, prosthetic surgery, and sports medicine. He provides comprehensive musculoskeletal care for a wide range of patients.

Dr. Gokcen has over 20 years of clinical experience. He graduated from Istanbul University in 1998. He has worked in military, state, and private hospitals across Turkey. This background shows his versatility and dedication to public service. As a former lecturer at Istanbul Bilim University, he has contributed to both academic and clinical training in orthopedics.

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.

Prof. Dr. Tülin Tiraje Celkan is a respected pediatric hematology-oncology specialist with 28 years of experience. She has published over 130 scientific articles, including 133 listed in PubMed. She has also written and edited several reference books in her field.

Dr. Celkan served as President of the Turkish Pediatric Hematology Society from 2017 to 2019. During this time, she helped shape national standards for pediatric blood disease care. She trained many specialists during her 28 years at Istanbul University Cerrahpaşa. She now works at Vadi Liv Hospital and İstinye University.

Her expertise includes rare and complex conditions such as Fanconi anemia, Blackfan-Diamond syndrome, childhood thrombosis, and AVMs. Dr. Celkan is a member of SIOP and has worked with international teams, including at VU University Amsterdam.

Prof. Şenol Kobak, MD, is a respected rheumatologist with more than 50 international publications and 53 presentations at global conferences. He is known for his work in autoimmune and systemic inflammatory diseases. His main areas of expertise include SLE, systemic sclerosis, vasculitis, and Behçet’s Disease.

Prof. Kobak established the Department of Rheumatology at Çanakkale Onsekiz Mart University. He played a key role in improving rheumatology education and patient care in Turkey. He has also served as Chief of Rheumatology at several institutions. Currently, he leads the department at İstinye University / Liv Hospital.

He is an active member of the Turkish Society of Rheumatology and the Turkish Medical Association. Prof. Kobak has reviewed articles for 12 international journals. His research and leadership continue to shape the field of rheumatology.

Medical Interests and Activities

 • Examining and diagnosing cranial, spinal, head-neck region diseases by imaging methods. • Examining vascular diseases of brain, neck and spine with angiography method. • Treatment of vascular diseases of brain, neck and spine by endovascular methods (closed surgery). • Treatment of cerebrovascular aneurysms (in patients with or without cerebral hemorrhage) • Treatment of cerebrovascular stenosis with stent method. • Treatment of cerebrovascular diseases like fistule and arteriovenous malformation with embolisation method. • Stent application in stenosis of neck veins (by using umbrella method). • Reducing the operation risk by blocking the veins which are feeding the tumor before open-surgeries in some tumor and head-neck area operations. • Embolisation treatment in birthmark-hemangioma and diseases like vascular malformations. • Endovascular treatment of vascular diseases at spinal cord and membrane • Dissolving the thrombus with urgent intervention in patients with stroke in order to provide the brain to overcome the situation with less damage as possible. • Endovascular treatment of vasospasm in patients with cerebral hemorrhage. • In uncontrolled epistaxis blocking the nasal vein by reaching it with angiography method.

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. Murat Timur Akçam is a respected ENT surgeon known worldwide for his work in snoring and sleep apnea surgery. He is recognized for developing advanced surgical techniques, including maxillomandibular advancement and hypoglossal nerve stimulation. He also co-developed new procedures such as transpalatal advancement pharyngoplasty. Prof. Akçam has published over 70 peer-reviewed articles, with more than 40 in international journals. He has given over 15 presentations at international conferences.

Prof. Akçam received training in Facial Plastic and Reconstructive Surgery at Oregon Health & Science University in the USA. He skillfully blends aesthetics and function in rhinoplasty and facial reconstruction. He is a faculty member at İstinye University and previously worked at Gülhane Military Medical Academy. He is also a member of the European Academy of Facial Plastic Surgery and other leading organizations. His expertise covers sleep disorder treatments, pediatric ENT, rhinology, and facial skin cancer reconstruction.

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.

Dr. Erdem Koçak is a gastroenterologist with international training. He is certified in advanced endoscopic and bariatric procedures from Johns Hopkins University (USA) and Hallym University (South Korea). Dr. Koçak is one of the few Turkish specialists with global accreditation in advanced endoscopic techniques.

He is known for minimally invasive treatments of early-stage gastrointestinal tumors. Dr. Koçak provides non-surgical options for esophageal, gastric, and colorectal cancers. He is also a pioneer in non-surgical obesity treatments, such as gastric balloon and stomach Botox procedures.

Dr. Koçak has published over 100 international scientific articles and contributed to three book chapters. He has presented at more than 100 medical congresses. He is recognized as a leading academic in his field. Dr. Koçak is trained in both internal medicine and gastroenterology. He works as a chief physician and specialist in major hospitals across Turkey.

He is a member of five respected medical associations, including the Turkish Society of Gastroenterology and TSGE. This ensures he stays updated with the latest medical advances.