Strona 9 - Najlepsi lekarze na świecie

Prof. Dr. Erman Aytac is a distinguished surgeon and academician specializing in colorectal surgery, digestive system oncology, and minimally invasive surgical techniques. Currently serving as a Professor of Surgery at Memorial Healthcare Group's Bahçelievler Hospital in Istanbul, he combines advanced surgical expertise with extensive research experience to provide comprehensive care for patients with complex gastrointestinal conditions.

Dr. Fatih Yildiz is an Orthopedics and Traumatology Specialist at Memorial Göztepe Hospital, Istanbul (2025–present). He previously worked at Bezmialem Foundation University, Faculty of Medicine (2013–2025). He also worked at Kızıltepe State Hospital, Mardin (2012–2013). He completed his Orthopedics and Traumatology residency at Istanbul University, Istanbul Faculty of Medicine (2006–2012). He earned his MD from the same faculty (1999–2005).

Professional memberships: TOTBİD (Turkish Orthopedics and Traumatology Association), TOTDER (Turkish Society of Orthopedics and Traumatology), and TOTEK (Turkish Orthopedics and Traumatology Education Council).

Dr. Ali Cemal is a Professor of Otorhinolaryngology and an ENT specialist at Memorial Göztepe Hospital. He has held this role since 2025. He served on the Marmara University ENT faculty from 2014 to 2025. Earlier, he worked as a specialist at Ümraniye and Pendik Training and Research Hospitals. He was a Clinical Fellow at Ohio State University – The James Cancer Research Center from 2015 to 2016.

Education: MD and ENT residency at Marmara University. Accreditations/memberships: European and Turkish Boards of Otorhinolaryngology (since 2015). AAO-HNSF (since 2015). Turkish Society of Otorhinolaryngology and Head & Neck Surgery. Istanbul Medical Chamber. Istanbul ENT and Head-Neck Surgery Specialists Association. Robotic Surgery Association. Turkish Facial Plastic Surgery Association. Head and Neck Surgery Association. Training: Robotic surgery (2015) and microsurgery (2018).

Dr. Tahir Ozturk is a specialist in Orthopedics and Traumatology. He has worked at top Turkish medical centers, including Memorial Bahçelievler Hospital and Istinye University Faculty of Medicine. He also served at Gaziosmanpaşa University and Şırnak State Hospital. This experience has given him a strong clinical background.

He earned his medical degrees from İzmir Katip Çelebi University and Selçuk University. Dr. Ozturk has completed advanced training in microsurgery, hand surgery, arthroplasty, trauma, and arthroscopy. He regularly attends both international and national conferences. This shows his dedication to ongoing education and modern orthopedic methods.

Education and Expertise

1993-1999 Istanbul University Istanbul Faculty of Medicine

2000-2005 Istanbul University, Istanbul Faculty of Medicine, Department of Physical Medicine and Rehabilitation, specialization training

Experience

2020 - …: Beykent University Faculty of Medicine Department of Physical Medicine and Rehabilitation

2015 - 2020: Bahçeşehir University Faculty of Medicine Department of Physical Medicine and Rehabilitation

2008 -2021: Medical Park Fatih Hospital Physical Medicine and Rehabilitation Clinic

2007 - 2008: Elazig Military Hospital Physical Therapy Clinic

2005 - 2007: Bayrampaşa Physical Therapy and Rehabilitation Center for the Disabled

2000 - 2005: Istanbul University, Istanbul Faculty of Medicine, Department of Physical Medicine and Rehabilitation

Professional Memberships

1. Turkish Medical Association

2. Turkish Physical Medicine and Rehabilitation Association

3. Member of Istanbul Medical Chamber,

4.Pediatric Rehabilitation Association

Awards

1 - National Thoracic Oncology Congress, p38, Antalya, 2008 (BEST POSTER AWARD). Demir A, M. Z. Gunluoğlu, N. Dağoğlu, A.Turna, Y. Dizdar, K. Kaynak, Ş. Dilege, N.M. Molinas, D. Yilmazbayhan, S.İ.Dinçer, A.Gürses “The role and prognosis of surgery in the treatment of chest wall primitive neuroectodermal tumors”.

2 - National Thoracic Oncology Congress, 109, Marmaris, 2007 (BEST ORAL PRESENTATION AWARD) Melek, H., M. Günlüoğlu, A. Demir, B. Medetoğlu, H.V. Kara, A. Ölçmen, S.İ. Dinçer, "The superiority of Computed Tomography-integrated PET (PET-CT) over PET fusion CT in Mediastinal Staging of Lung Cancer".

3 - Thoracic Society 9th Annual Congress, 92, Antalya, 2006. (BEST DISCUSSIVE POSTER AWARD) Fazlıoğlu, M., C. Kocatürk, Y. Sönmezoğlu, A.G. Cevik, A. Demir, N. Ürer, A.Turna, S.İ. Dincer M.A. Bedirhan and A. Gürses, “The effect of NSCLC with chest wall invasion DA depth of invasion and resection type on survival”.

4 - National Thoracic Oncology Congress, TP , Çeşme, 2006. (BEST DISCUSSIVE POSTER AWARD).Günlüoğlu, M.Z., A. Demir, H. Akın, D. Sansar, H.V. Kara, A. Ölçmen and S.İ. Dinçer, “Mediastinal lymphatic metastasis pattern in left upper lobe non-small cell lung cancer”. Education and Specialization

1993-1999 Istanbul University Istanbul Faculty of Medicine

2000-2005 Istanbul University, Istanbul Faculty of Medicine, Department of Physical Medicine and Rehabilitation, specialization training

Experience

2020 - …: Beykent University Faculty of Medicine Department of Physical Medicine and Rehabilitation

2015 - 2020: Bahçeşehir University Faculty of Medicine Department of Physical Medicine and Rehabilitation

2008 -2021: Medical Park Fatih Hospital Physical Medicine and Rehabilitation Clinic

2007 - 2008: Elazig Military Hospital Physical Therapy Clinic

2005 - 2007: Bayrampaşa Physical Therapy and Rehabilitation Center for the Disabled

2000 - 2005: Istanbul University, Istanbul Faculty of Medicine, Department of Physical Medicine and Rehabilitation

Professional Memberships

1. Turkish Medical Association

2. Turkish Physical Medicine and Rehabilitation Association

3. Member of Istanbul Medical Chamber,

4.Pediatric Rehabilitation Association

Awards

1 - National Thoracic Oncology Congress, p38, Antalya, 2008 (BEST POSTER AWARD). Demir A, M. Z. Gunluoğlu, N. Dağoğlu, A.Turna, Y. Dizdar, K. Kaynak, Ş. Dilege, N.M. Molinas, D. Yilmazbayhan, S.İ.Dinçer, A.Gürses “The role and prognosis of surgery in the treatment of chest wall primitive neuroectodermal tumors”.

2 - National Thoracic Oncology Congress, 109, Marmaris, 2007 (BEST ORAL PRESENTATION AWARD) Melek, H., M. Günlüoğlu, A. Demir, B. Medetoğlu, H.V. Kara, A. Ölçmen, S.İ. Dinçer, "The superiority of Computed Tomography-integrated PET (PET-CT) over PET fusion CT in Mediastinal Staging of Lung Cancer".

3 - Thoracic Society 9th Annual Congress, 92, Antalya, 2006. (BEST DISCUSSIVE POSTER AWARD) Fazlıoğlu, M., C. Kocatürk, Y. Sönmezoğlu, A.G. Cevik, A. Demir, N. Ürer, A.Turna, S.İ. Dincer M.A. Bedirhan and A. Gürses, “The effect of NSCLC with chest wall invasion DA depth of invasion and resection type on survival”.

4 - National Thoracic Oncology Congress, TP , Çeşme, 2006. (BEST DISCUSSIVE POSTER AWARD).Günlüoğlu, M.Z., A. Demir, H. Akın, D. Sansar, H.V. Kara, A. Ölçmen and S.İ. Dinçer, “Mediastinal lymphatic metastasis pattern in left upper lobe non-small cell lung cancer”.

2016 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL ATASEHIR HOSPITAL

Ear Nose Throat Diseases Specialist

2015 - 2015, Hannover/Hannover/Germany

HANNOVER MEDIZINISCHE HOCHSCHULE KLINIKEN

Hals-Nasen- Ohrenheilkunde Fellow

2010 - 2015, Istanbul/Istanbul/Türkiye

ISTANBUL TRAINING AND RESEARCH HOSPITAL

Chief Assistant of the Department of Ear Nose and Throat

2008 - 2010, Istanbul/Istanbul/Türkiye

ISTANBUL TRAINING AND RESEARCH HOSPITAL

Ear Nose Throat Diseases Specialist

Education

2002 –                 Eskisehir Osmangazi University        Faculty of Medicine

                              Ankara Baskent University                 General Surgery

Experience

2022 – present      Lokman Hekim University Ankara Hospital   General Surgery

2013 – 2022          Lokman Hekim Van Hospital                           General Surgery

2011 – 2013          Yuksekova State Hospital                                General Surgery

Memberships

  – Ankara Surgical Association

  – Ankara Breast Diseases 

Dr. Esra Esim Buyukbayrak is an obstetrics and gynecology specialist and a perinatology (maternal–fetal medicine) subspecialist. She has practiced at Memorial Göztepe Hospital since 2025. She served as Head of Department and Clinical Administrative and Training Director at the Marmara University Faculty of Medicine from 2022 to 2025. From 2015 to 2025, she worked at Marmara University Pendik Training and Research Hospital as a perinatology subspecialist. She also served there as associate professor and later professor.

She holds an MD from Marmara University. She completed residency in obstetrics and gynecology and subspecialty training in perinatology. She received WHO–IAMANEH reproductive health training in Geneva in 2004. She completed advanced obstetrics and gynecology training in 2013. She trained in fetal surgery at Centro Gestar, Brazil, in 2023.

She has 86 SCI/SSCI-indexed articles and 84 nationally indexed articles. She has delivered 51 international and 40 national congress presentations. She has written 9 book chapters and supervised 15 doctoral dissertations. She serves as a reviewer and editorial board member for several journals.

Neurosurgery

Fields of Study and Interests

• Spina Bifida,

• Lumbar Mass,

• Tumor,

• Meningomyelocele,

• Neurological Diseases,

• Cervical Disc Hernia,

• Brain Diseases,

• Herniated disc

• Neck hernia

• Spinal Canal Stenosis

• Spondylolisthesis (Waist Slip)

• Brain Tumors

• Spinal Cord Tumors

• Spine Fracture

• Celebral hemorrhage

• Brain Aneurysm

• hydrocephalus

• Carpal Tunnel Syndrome

Education

• University of Wisconsin Neurosurgery Clinic Neurosurgery Specialization Training 2017,

Madison/USA

• Bakırköy Mental and Neurological Diseases Hospital Brain and Nerve Surgery Specialization

Training 2014, Istanbul/Turkey

• Mersin University Faculty of Medicine Medical Doctor Specialization Training 2007,

Mersin/Turkey

Career

• Istanbul Kanuni Sultan Süleyman Training and Research Hospital 2014-2021, Istanbul/Turkey

• Istanbul Bakırköy Psychiatric Hospital 2008-2014, Istanbul/Turkey

• Çorlu State Hospital 2007-2008, Çorlu/Turkey

Publications: Üçer, M. (2021). Minimally Invasive Approach Toward Percutaneous Direct Pars

Repair: An Observational Study. World Neurosurgery, 146, e1301-e1306.

Prof. İmran Önür is a cardiology specialist with more than 15 years of clinical and academic experience. He has written 28 scientific articles published in national and international journals. He has also contributed to 2 scientific books. His work shows a strong impact in his field.

Prof. Önür has presented 10 papers at international congresses. He has also delivered 30 oral presentations at national congresses. He is an active member of the Turkish Medical Association. He has held important roles at leading medical institutions, showing his expertise and dedication to cardiology.

Dr. Murat Akkus is a Professor of Pediatric Gastroenterology based in Istanbul. He practices at Memorial Bahçelievler (2019–present) and Memorial Ataşehir (2018–present). He previously led the Division of Pediatric Gastroenterology, Hepatology and Nutrition and the Department of Pediatrics at İnönü University. Before that, he headed Pediatric Gastroenterology at Atatürk University.

He has 174 international and 73 national publications. He is the editor of 7 books. He has written 3 international and 25 national book chapters. He completed a fellowship in Pediatric Gastroenterology and Nutrition at Ege University (1996–1998). In 2011, he was a visiting scholar at the Children’s Hospital of Pittsburgh. He received İnönü University Outstanding Achievement Awards.

Dr. Umit Naci Karacal is a specialist in Plastic, Reconstructive, and Aesthetic Surgery. He currently practices at Memorial Ankara Hospital. He has held faculty positions at Izmir Bakirçay University Faculty of Medicine and Black Sea Technical University. From 2001 to 2023, he advanced from Associate Professor to Professor at these institutions.

Dr. Karacal graduated from Hacettepe University Faculty of Medicine. He completed his specialty training and chief assistantship in Plastic, Reconstructive, and Aesthetic Surgery at Ankara Numune Hospital. With over twenty years of experience in academic and clinical roles, he has made important contributions to his field.

After completing his medical doctorate education at Gazi University School of Medicine, which is located in the capital city of Ankara he carried on to his Orthopaedic and Traumatology fellowship training at the same university. After his fellow training, he completed his mandatory governmental and military duties as an orthopaedic surgeon between 2008 and 2011. He later started his Orthopaedic career in Istanbul Acıbadem Hospitals network. Between 2013 and 2022 he served as an academic member of the Department of Orthopedics and Traumatology at Acıbadem Mehmet Ali Aydınlar School of Medicine where he was entitled Associate Professor in 2021. He is now private practicing in his own clinic in Istanbul. 

Starting from the year 2014 he has been especially focused on the fields of patient-specific orthopaedic surgery, computer-aided surgical planning, 3D printed custom surgical guides and implants. These fields are very novel even throughout the world. He performed many surgeries as the first examples of their own for Turkey. He mainly uses his special interest and knowledge on patient-specific orthopaedics to surgically treat technically challenging cases of malunion, bone deformity and complex arthroplasty cases including revision arthroplasty. 

Education, Awards and Certifications

• Inter High School Project Competition, Third in Turkey, Using the activated carbon

obtained from waste batteries as ion and gas trap,Scientific and Technological

Research Council of Turkey (TUBİTAK)-2009

• Tokat Science High School – 2010

• Istanbul University School of Medicine(Graduted with distinction) – 2016

• Sarıyer State Hospital(Emergency Medicine) 2017

• Animal Research Certificate – January 2019

• Microsurgery Certificate- May 2019

• Medical statistics certificate- July 2019

• Bagcılar Research and Training Hospital, Department of Plastic, Reconstructive and

Aesthetic Surgery(Residency) 2017-2022

• Universita Campus Bio-Medico, Department of Plastic,Reconstructive and Aesthetic

Surgery Rome/Italy(Microsurgery Fellowship) 2022-

• Erzurum State Hospital,Erzurum/Turkey 2022-2024 

Medipol Acıbadem District Hospital  (Current)

Dr. Sabahattin Gunduz is a cardiologist at Memorial Göztepe Hospital (2025–present). He previously worked as a cardiology specialist at VM Medical Park Pendik Hospital (2018–2025). He also served at Kartal Koşuyolu Heart Hospital (2014–2018), Tuzla State Hospital (2012–2014), and Ümraniye Training and Research Hospital (2010–2012).

He is a Professor of Cardiology at Bahçeşehir University, Faculty of Medicine (2022). He became an Associate Professor at Istanbul Kartal Koşuyolu High Specialty Training and Research Hospital (2017). He completed his cardiology residency at the same institution (2005–2009). He earned his MD from Istanbul University (1999–2005).

Professional memberships: TTB, TKD, ESC, EAPCI, EACVI.

Dr. Ezgi Yüceer Çetiner is an oral and maxillofacial surgeon. She focuses on dental surgery, bone regeneration, and dental implants. She received her dental degree from Başkent University in 2013. She completed her doctorate in oral and maxillofacial surgery at Ondokuz Mayıs University in 2018.

Dr. Yüceer Çetiner is an Assistant Professor at Bahçeşehir University. She is also the Chief Physician at BAU Dental and Dental Hospital in Istanbul. She uses advanced technology to provide dental care. She has published several articles in peer-reviewed journals. Her research is often cited in academic publications. She is a member of both national and international surgical associations.

The doctor is a DDS, MSC Prosthodontist with over a decade of experience as a prosthesis specialist dentist, known for performing smooth and painless extractions in complex cases. The doctor graduated from Gazi University Faculty of Dentistry and completed specialization training at İzmir Katip Çelebi University, Department of Prosthodontics.

The doctor has received internationally recognized training certificates in advanced orthodontic training and joint-occlusion training. The doctor has contributed to the field through presentations at various international scientific congresses.