Page 2 - Best Tumor Marker Blood Test doctors in Turkey: TOP 116 doctors

Assoc. Prof. Ozdogan, M.D., Ph.D., completed his education at Yeditepe University Health Sciences Institute in the Molecular Medicine Doctorate Program under Prof. Dr. Turgay İsbir, and he also studied at Saint Louis University in Arkansas, USA, with Prof. Dr. M. Gazi Yasargil. He pursued a Clinical Fellowship in Brain and Nerve Surgery at Yeditepe University Hospital, guided by Prof. Dr. Yasargil and Prof. Dr. Uğur Türe. Additionally, he underwent specialization training at Ufuk University Faculty of Medicine, the Faculty of Medicine at Gazi University, and completed his secondary education at İçel Anatolian High School.

Professionally, he has held various positions, including Faculty Member in the Department of Neurosurgery at Haliç University, and Associate Professor at Private Adatip Istanbul Hospital and Biruni University Hospital. He has also served as an Associate Professor at S.B.U. Kartal, Sancaktepe, and Istanbul Training and Research Hospitals, and worked as a Chief Assistant at S.B.U. Gaziosmanpaşa Taksim and Kartal Training and Research Hospitals. His earlier roles include Specialist Doctor at S.B.U. Baltalimanı Bone Diseases Hospital and Mus State Hospital, as well as Clinical Fellow at Yeditepe University Faculty of Medicine Hospital.

Assoc. Prof. Özdoğan is a member of several professional associations, including the Turkish Neurosurgery Association, Turkish Spine Association, and the Turkish Neurosurgery Society’s Neuroanatomy, Neurovascular, and Neurooncology Groups. He is also affiliated with the European Association of Neurosurgical Societies.

Prof. Yeşim (Yesim) Yıldırım — Medical Oncologist at Anadolu Medical Center (since 2011). ESMO-certified specialist, Professor since 2021, author of 80+ scientific publications. Trained at top centers — Rambam (Israel) and Mount Vernon (UK). Treats breast, lung, and gastrointestinal (GI) cancers, as well as melanoma and sarcomas; uses immunotherapy and targeted therapy.

Why patients choose Dr. Yeşim Yıldırım:

• 20+ years of clinical practice; Professor of Medical Oncology since 2021.
• 80+ peer-reviewed publications in tumor biology, immunotherapy, and targeted therapy — treatment plans are based on up-to-date evidence.
• ESMO certification — from Europe’s leading oncology society — confirms high qualification and continuous training to international standards.

Education

• Ege Faculty of Medicine 1978
• Specialization in Pediatrics 1982
• Subspecialty Pediatric Oncology 2002 (EU Faculty of Medicine)
• Pediatric Hematology and Oncology 2012 (EU Faculty of Medicine)
• Deputy Chief of Clinic 1988 Tepecik EAH
• Clinical Chief 1993 Tepecik EAH
• Associate Professorship 1995
• Professorship  2002
• Ege U. Faculty of Medicine, faculty member 1998 – 2022
• EU Faculty of Medicine Department of Pediatrics 2009-2018
• Member of Tepecik Education Planning and Coordination Board (1993-1998)
• SSI Tepecik Hospital Ethics Committee Chairman (1996-1998)
• Turkish Society of Pediatric Hematology "Bone Marrow Transplantation Working Group Co-Chair" (2002-2006)
• Turkish Society of Pediatric Hematology "Bone Marrow Transplantation Working Group" (2006-2008)
• Turkish Society of Pediatric Hematology - Responsible for Bone Marrow Transplantation "Online" Data Registry System 2007-ongoing.
• Ege University Regenerative Medicine and Stem Cell Commission Chairman, 2011-2021

Institutional Memberships

• Turkish Medical Association İzmir and Kocaeli Branch
• Turkish National Pediatric Association - İzmir
• European Group for Bone Marrow Transplantation (EBMT); Ege University Pediatric Bone Marrow Transplantation Unit was accredited by the European Group for Bone Marrow Transplantation (EBMT) in June 2007.
• Turkish Society of Pediatric Hematology - Board Member for two terms (2005-2009)
• Turkish Society of Hematology - Board Member for two terms (2001/2005)
• Turkish Pediatric Oncology Association
• Bone Marrow Transplantation Foundation (KITVAK) Member of the Board of Trustees

Units he is the founder of                        

1- SSI Tepecik Hospital Pediatric Oncology Clinic (1990) 
2- SSI Tepecik Hospital Pediatric Bone Marrow Transplantation Unit (1992) 
3- EU Faculty of Medicine Pediatric Bone Marrow Transplantation Unit (1998) 
4- FOUNDER of JOURNAL OF PEDIATRIC RESEARCH, 2014; SCI application was made in 2022.  

Transplantation units that he contributed to the establishment of                        

1. İzmir BUÇH EAH Pediatric Bone Marrow Transplantation Unit (2019) 
2. Ümraniye EAH Pediatric Bone Marrow Transplantation Unit (2020) 
3. Kanuni Sultan Süleyman EAH Pediatric Bone Marrow Transplantation Unit (2020) (Transferred to Çam Sakura EAH)

Awards

• Thrombotic parameters in bone marrow stem cell transplant patients, Pediatric Hematology Congress, Trabzon 2003
• CD133 Antigen in Stem Cell: Pediatric Hematology Congress 2005. Research award
• The role of Toll like receptors in febrile neutropenic patients, Best poster award. Turkish Hematology Congress 2008, Çeşme-İzmir
• National pediatric stem cell transplantation activity- Oral presentation second prize, Turkish Hematology Society Stem Cell Transplantation Congress, 2022, Antalya

Publications

Kansoy S. "Bone Marrow and Stem Cell Transplantation Child Health and Diseases, 1st edition, EU Faculty of Medicine Printing House, 1999, İzmir

Kansoy S. Bone marrow transplantation in Thalassemia Major III. Aegean Thalassemia Days Book, 2000, Izmir

Kansoy S. Pediatric KIT Center Standards in Turkey. Childhood Acute Leukemias, Antalya 2000: 73-5

Kansoy S. Late Side Effects in Children. Special issue of Bone Marrow Transplantation Journal of Turkish Clinics. 2003

Kansoy S. Stem Cell Applications in Bone Marrow and Stem Cell Transplantation. Pediatric Oncology Nursing Course Book, İzmir, 2005

Kansoy S. Cord Blood as a Stem Cell Source. Stem Cell Special Issue. Turkey Clinics, 2008

Kansoy S. Stem Cell Transplantation in Lymphomas. General Pediatrics Book, Ed. Prof.Dr.Enver Hasanoglu, 2009

Kansoy S, Aksoylar S. Bone Marrow Transplantation in Children. Pediatrics, 2014 and 2017

Kansoy S. Rhabdomyosarcoma. Pediatrics, 2014 and 2017

Kansoy S. Approach to the child with cancer according to clinical findings. Pediatrics, 2014 and 2017 

11. Çetingül N, S.Kansoy, M.Kantar. Oncological Diseases. Pediatrics (Ed. A. Cura), 641-672, Ege University Print house, İzmir, 1999.  (1.05 points)

Kansoy S, M.Kantar. Head, Face and Eye Examination. Pediatric Prosthetic Physical Examination and Symptom Information (Ed. A.Cura)

Kantar M. Metabolic Emergency Problems in Oncology. Oncologic Emergencies and Supportive Care in Childhood (Ed. N. Çetingül, S. Kansoy), 15-24, Meta Basım, İzmir, 2003. 

Cord Blood Transplants in Turkey. HEMATOLOGIST, 2016

Kansoy S. Central Nervous System Tumors in Children Pediatrics, 2014 and 2017

Acute myeloblastic leukemia in children and its treatment. Pediatric Oncology Textbook, Poplack's Turkish, 2020

National pediatric stem cell transplant activity, 2020

Childhood stem cell transplantation indications, Turkey Clinics - International book 2020

In addition to the studies and papers in international journals published in large numbers, he is involved in international multicenter studies in some journals with high impact value.

Dr. Suleyman Hilmi Aksoy was born in 1974. He graduated from Istanbul University Çapa School of Medicine in 1998. He completed his residency in Radiodiagnostics and Interventional Radiology at Cerrahpaşa School of Medicine in 2002.

He has given oral and written presentations at 13 local and international congresses. Dr. Aksoy specializes in Diagnostic Radiology, Teleradiology, and Interventional Radiology. He has made important contributions in these areas.

He has worked at Hisar Intercontinental Hospital, Merzifon Air Hospital, Istanbul Emar Center, and Haseki Training and Research Hospital. Dr. Aksoy is dedicated to improving radiological practices.

Dr. Zuhal Tanzer is a specialist in Internal Diseases. She is known for her skill in diagnosing and treating complex medical conditions. Dr. Tanzer has a strong record of patient satisfaction and successful treatments. She is accredited by top medical institutions. She also takes part in ongoing medical education. Dr. Tanzer uses evidence-based methods and is dedicated to improving standards in internal medicine.

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.

Prof. Dr. Sezer Sağlam is a medical oncologist at Gayrettepe Florence Nightingale Hospital. He specializes in gastrointestinal and breast cancers. He has contributed to cancer care through research, especially with his study on the best timing for surgery after neoadjuvant therapy in rectal cancer. This work has influenced global treatment protocols.

Dr. Sağlam has led clinical trials in targeted therapies and precision medicine. His research on liver-transplanted patients with hepatocellular carcinoma was nominated for the 2024 International Best Researcher Award. He is a member of ASCO, ESMO, and ENET. Dr. Sağlam provides personalized and evidence-based oncology care.

Present
Istanbul Florence Nightingale Hospital
Medical Oncology

2022-2024
Memorial Şişli Hospital
Medical Oncology Specialist

2021-2022
Institut Jules Bordet
Clinical Research Fellowship

2020-2022
Marmara University Pendik Training and Research Hospital
Medical Oncology Specialist

2019-2019
Institut Jules Bordet
Clinical Research Fellowship

2016-2019
Marmara University Faculty of Medicine, Department of Medical Oncology
Medical Oncology Fellowship

2014-2016
Golbasi Public Hospital
Internal Medicine Specialist

2013-2014
MD Anderson Cancer Center
Observership

2013
Bellvitge Hospital, Barcelona, Spain
Observership

2009 -2014
Hacettepe University Faculty of Medicine
Internal Medicine Residency

Education and Expertise

Selcuk University Meram Faculty of Medicine - Medical Education

Dr.Abdurrahman Yurtaslan Anakara Oncology Training and Research Hospital Medical Oncology Specialization

Experience

Malatya State Hospital Internal Diseases Clinic

Ankara Oncology Hospital Medical Oncology Clinic

Erzurum Regional Training and Research Hospital Medical Oncology Clinic


AREAS OF INTEREST

Lung cancer

esophageal cancer

Gastric cancer

breast cancer

Gastrointestinal surgery

https://scholar.google.com.tr/citations?user=EDuylhoAAAAJ&hl=tr 

Education and Specialization

• Bachelor’s Degree: Çukurova University Faculty of Medicine (1987/1993)
• Medical Specialization: Department of Pediatrics, Fırat University (1993/2001)
• Subspecialty: Pediatric Neurology Unit, Hacettepe University (2002/2004)

Professional Experience

• General Practitioner: Mardin State Hospital, Emergency Department (1993/1996)
• Research Assistant: Faculty of Medicine, Fırat University (1996/2001)
• Lecturer: Faculty of Medicine, İnönü University (2001/2002)
• Subspecialty Research Assistant: Faculty of Medicine, Hacettepe University (2002/2004)
• Assistant Professor: Faculty of Medicine, İnönü University (2004/2008)
• Associate Professor: Faculty of Medicine, İnönü University (2008/2014)
• Professor: Faculty of Medicine, İnönü University (2014/2023)

Education:

Teaching course on “Lymphatic mapping and sentinel node”

June 1998, MDA Cancer Center, Houston, Texas, USA

General Surgery

Feb. 1993 – Dec. 1996, Şişli Etfal Hospital, Istanbul, Turkey

General Surgery

May 1990 – Jan. 1993, Lille University Hospital, Lille, France 

M.D.

1983 – 1990, Cerrahpasa School of Medicine, Istanbul, Turkey

Experience

Attending General Surgeon, Jan. 1998 – present 

F.N. Metropolitan Hospital, Istanbul, Turkey

American Cancer Center, Breast Surgery

Attending General Surgeon, 1996 – present 

Medmar Diagnostic Center, Istanbul, Turkey

Diagnosis and monitoring with sophisticated techniques 

General Surgeon, 1996 – 1998

Guzelbahce Medical Center and Yeditepe Hospital, Istanbul, Turkey

Specializing in breast and thyroid surgery

Education and Expertise

GATA Military Medical Faculty

GATA Haydarpaşa Training Hospital Neurosurgery Clinic (Specialization)

Beykent University Hospital and Health Institutions Management (Master's)

Experience

GATA Military Medical Faculty Trainee Doctor (6 months)

Samsun Sahara Medical School Comm. (3 months)

Naval Command War Squadron TCG Diligence Medical Officer (2 years)

Dz.K.K. Submarine Battery Factory Infirmary Doctor (3 months)

Naval Forces Command Infirmary Doctor (3 months)

GATA Haydarpaşa Training Hospital Chief Assistant (12 years)

Kasımpaşa Marine Hospital Neurosurgery Clinic Chief (5 years)

Bahçelievler Medical Park Hospital Neurosurgery Specialist (11 years)

Altınbaş University Faculty of Medicine Neurosurgery Lecturer. Member (4 years)

Altınbaş University Faculty of Medicine Head of Neurosurgery Department. (3 years)

Basic and Advanced Cardiac life support courses (BASIC)

Basic and Advanced Cardiac life support courses (ADVANCED)

GATA Military Medical Faculty. Microsurgery Training Course

Istanbul Vatan Hospital Hand surgery microsurgery course

Neuroanatomy course

Spine Surgery course

Professional Memberships

Turkish Neurosurgery Association

Spine Society of Europe

Turkish Spinal and Peripheral Nerve Surgery Group

Education and Specialization

• 2006: Kocaeli University Faculty of Medicine
• 2014: Akdeniz University Faculty of Medicine, Internal Medicine
• 2018: Akdeniz University Faculty of Medicine, Medical Oncology

Experience

• 2006 - 2008: Konya Derebucak District Hospital
• 2009 - 2015: Akdeniz University Hospital
• 2015: Antalya Kaş State Hospital
• 2015 - 2016: İnönü University Faculty of Medicine
• 2016 - 2021: Akdeniz University Hospital
• 2021 - 2023: Antalya Training and Research Hospital

Pediatrician, Pediatric Gastroenterology and Nutrition Specialist

Education

Yeditepe University School of Medicine

Professor of Pediatrics (Chair of the Department)

2004 - 2007

Dokuz Eylül University School of Medicine

Pediatric Gastroenterology Sub-specialty

1995 – 1998

Hacettepe University School of Medicine

Pediatrics Instructor

1985 - 1987

Professional Experience

Ataşehir Florence Nightingale Hospital

Pediatrician, Pediatric Gastroenterology

2017 – Present

Kadıköy Şifa Ataşehir Hospital

Pediatric Gastroenterology and Nutrition

2013 – 2017 

Dokuz Eylül University School of Medicine

Professor of Pediatrics

1994 – 2004

Publications

Cevik N, Buyukgebiz B. Interaction between human blood group (ABO) substances and enteropathogenic

bacterial agents. Turk J Pediatr. 1987. Link

Buyukgebiz B, Ozalp I, Oran O. Investigation of serum vitamin A levels of children who had a history of

recurrent diarrhoea. J Trop Pediatrics. 1990. Link

Languages

Turkish: Native

English: Advanced

Education

2005 – M.D., Istanbul University, Istanbul Faculty of Medicine

2010 – Internal Medicine Specialization, Haseki Training and Research Hospital

2021 – Gastroenterology Subspecialty Training, Sakarya University Faculty of Medicine

Academic & Professional Experience

Assistant Professor, Istanbul Florence Nightingale Hospital

Assistant Professor, Istanbul Bilim University Faculty of Medicine

Assistant Professor, Istanbul Yeni Yüzyıl University Faculty of Medicine

Head of Department, Giresun University Faculty of Medicine

Scientific Publications

Dr. Acar has authored over 20 international peer-reviewed articles in the fields of internal medicine and gastroenterology. Her notable contributions include studies and case reports on:

Gastrointestinal bleeding management in anticoagulant users

Rare GI cases such as bezoars, aortoesophageal fistulas, and massive hemorrhagic ascites

Liver transplantation complications, including graft-versus-host disease

The role of (pro)hepcidin in IBD-related anemia

Endoscopic interventions for acute GI bleeding

Covid-19 treatment agents and their GI implications in Turkey

(Full publication list available upon request)

Clinical Expertise

Gastrointestinal bleeding & endoscopic procedures

Hepatology & liver disease management

Inflammatory bowel diseases (IBD)

Complex GI case diagnostics

Post-transplant GI complications

Diabetic GI and cardiovascular comorbidities

Dr. Saban Sec is a medical oncologist with experience at leading hospitals, including Haseki Training and Research Hospital, Prof. Dr. Cemil Taşcıoğlu City Hospital, and Bahçelievler Medikalpark Hospital. He currently represents specialist physicians in the Turkish Medical Oncology Association. He is also a member of the Istanbul Medical Chamber and the Turkish Medical Oncology Association.

Dr. Sec treats breast, lung, gastrointestinal, prostate, urogenital, head and neck cancers, as well as sarcomas and rare tumors. He has published many peer-reviewed articles on cancer prognosis, treatment outcomes, and survival rates. His research includes studies with large patient groups, such as 138 patients with HER2-positive metastatic gastric cancer. Dr. Sec focuses on prognostic factors and treatment responses in different cancers. He is dedicated to improving cancer care.

Education and Specialization

• Bachelor’s Degree in Medicine (English) – Hacettepe University, 1997
• Master’s Degree – Department of Internal Medicine, Akdeniz University, 2004
• Ph.D. / Proficiency / Medical Specialization – Division of Gastroenterology, Akdeniz University, 2007

Experience

• Akdeniz University Faculty of Medicine 1998/2004
• Akdeniz University Faculty of Medicine  2004/2007
• Urfa Training and Research Hospital 2008/2009
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology  2010/2011
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2011/2013
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2013/2017
• Medical Park Antalya Hospital, Gastroenterology Department and Organ Transplant Center