Best Tumor Marker Blood Test doctors in Turkey: TOP 112 doctors

Dr. Metin Demirkaya is a specialist in Pediatric Oncology. He earned his medical degree from Istanbul University Cerrahpaşa School of Medicine between 1993 and 1999. He completed his Pediatrics residency and Pediatric Oncology residency at Bursa Uludag University from 1999 to 2010.

Dr. Demirkaya has worked at leading centers such as GATA Pediatric Hematology-Oncology-Bone Marrow Transplantation Centre and Istanbul Kanuni Sultan Süleyman Education and Research Hospital. He became an Assistant Professor in 2013. In 2019, he was appointed Professor of Medicine in Pediatric Oncology at Medicana Bursa Hospital.

Dr. Demirkaya is known for his clinical skills and leadership in pediatric cancer care and bone marrow transplantation. He has made important contributions to research and has received recognition in his field.

Dr. Kayihan Engin is a Radiation Oncologist. He earned his medical degree from Uludağ University Medical College in 1983. He completed his residency in Radiation Oncology at the Center of Oncology & Nuclear Medicine in Istanbul in 1990. From 1990 to 1994, he pursued a post-doctoral fellowship in Thermoradiotherapy at Thomas Jefferson University in the USA.

Dr. Engin has held key academic and leadership roles. He served as Professor, Chairman, and Faculty Accreditation Coordinator at Uludağ University Medical College from 1991 to 2005. He was also Professor and Director at Anadolu Medical Center between 2004 and 2017. Since 2017, he has led the Oncological Sciences departments at Ceylan International and Medicana Bursa Hospitals. Dr. Engin is known for his work in improving cancer treatment and medical education standards in Turkey.

Sema Yılmaz was born on July 30, 1965. She received her undergraduate degree from Istanbul University Cerrahpaşa Medical Faculty and completed her medical residency training at the Department of Pediatrics at Zeynep Kamil Women's and Children's Health and Diseases Hospital. She also completed her medical subspecialty training in Pediatric Hematology/Oncology at Cukurova University. Her medical residency thesis was titled "The Relationship Between Morning First Urine Density and Nocturnal Enuresis in Children Aged 3-6 Years", and her medical subspecialty thesis was titled "Comparison of Sphingosine 1-phosphate Receptor 4 Gene Expression in Healthy Children and Neuroblastoma Patients". She started her medical career as a general practitioner. After working as a general practitioner for 4 years, she worked as a doctor researcher at Zeynep Kamil Women's and Children's Health and Diseases Training and Research Hospital for 5 years. She then served as a specialist doctor, assistant professor, and associate professor at various institutions. She worked at Houston MD Anderson, North Carolina-UNC, Boston-Harvard University in the USA. Additionally, she conducted research on cell therapies. She received the title of professor in Pediatric Hematology/Oncology at Usak Medical Faculty. She is a member of the Turkish Pediatric Oncology Group, European Association for Cancer Research (EACR), Turkish Medical Association, Turkish National Pediatrics Association, Turkish Pediatrics Association, Pediatrics Specialty Academy Association (PUADER), Turkish Immunology Association, Turkish Hematology Association, and Molecular Oncology Association (MOKAD). She currently serves her patients at Koru Hospital. Her medical interests include:

Cell therapies in childhood cancers

Cancer immunology

Investigation of genetic pathways responsible for cancer and metastasis

Pulmonary microbiota

BAL transplantation

Prof. M.D. Yusuf Serdar Sakin was born in Nevşehir in 1978. After completing his primary and secondary education in Ankara, he graduated from the Faculty of Medicine at Gülhane Military Medical Academy in 2002.
Following his graduation, he served in Gole/Ardahan for two years. He started his internal medicine training at the Department of Internal Medicine, Gülhane Faculty of Medicine.
After completing his training, he worked as an internal medicine specialist in Ankara. A year later, he began additional training in the Department of Gastroenterology at Gülhane Faculty of Medicine and completed his training in 2014.
After graduation, Yusuf Serdar Sakin continued to work in the same department. He also received advanced endoscopy and Motility training at AMC Center in the Netherlands in 2017.
After obtaining the title of Associate Professor in 2017, he became a Professor in 2023.
He currently provides medical services to patients at Koru Ankara Hospital. His areas of medical interest include:

-Endoscopic retrograde cholangiopancreatography (ERCP)
-Push enteroscopy
-Endoscopic mucosal resection
-High-resolution manometry
-pH/pH-impedance metry analysis
-Advanced endoscopic procedures (stenting, dilation, etc.)
-Gastrointestinal motility disorders
-Gastroesophageal reflux disease
-Inflammatory bowel diseases
-Advanced endoscopic procedures and pancreatitis.

Prof. Dr. Osman İLHAN graduated from Ankara University Faculty of Medicine in 1978. After completing his internal medicine residency at the same faculty in 1982, he served as a senior resident at the GATA Hematology Clinic during his military service. After completing his mandatory service at SSK Ulus Hospital, he returned to Ankara University Faculty of Medicine for a subspecialty. In 1990, he became an associate professor of hematology. He worked in Genoa, Italy to increase his knowledge and experience in leukemia. He was part of the team that performed the first bone marrow stem cell transplant in Turkey. In 1996, he went to the MD Anderson Cancer Center in the USA to work on "Stem Cell Mobilization, Cryopreservation, and Transplantation." In 1996, he became a professor of hematology. In 1999, he was elected as the regional president of ESFH (European Society for Hemapheresis). Dr. İlhan, who was the founder and president of the Hemapheresis Society in 2000, joined the World Apheresis Association (WAA) in 2001. He became the President of the Turkish Hematology Association in October 2001. Dr. İlhan, who is an active member of the European Hematology Association (EHA), was a member of the accreditation committee (ECAH) for education. He played a role in the accreditation of Turkish hematologists in CME credits by participating in the accreditation of congresses and courses held in Turkey as a Provider Status. He served as the founding president of the Cellular Therapy and Regenerative Medicine Association established in 2008. He became the founding president of the Geriatric Hematology Association in 2011. He is the Honorary President of the World Apheresis Congress (WAA) held in 2012. Dr. İlhan, who previously served on drug licensing and ethics committees at the Ministry of Health, has also served as the Chairman of the Photopheresis-Apheresis Commission and the Scientific Committee for Bone Marrow Transplantation, as well as the Chairman of the National Organ Tissue Cell Coordination Board, the Scientific Board of Cord Blood, and the Stem Cell Research Board. He is the founding president of the STEM CELL FOUNDATION and has played an important role in the establishment of TURKOK (Turkish Stem Cell Donor Bank). Dr. İlhan has over 300 publications in journals registered in PubMed and more than 5000 citations. He holds the Platinum CME certificate from the European Hematology Association. He owns four brands/patents named “Kökten Çözüm (Deep Solution), Telehematoloji (Telehematology), Hemaferez (Hemapheresis), Kanser Kök Hücresi (Cancer Stem Cell)”. He is currently the President of the Ankara Medical Association. Prof. Dr. Osman İlhan, who served at Ankara University Faculty of Medicine for 50 years, began working at Özel Koru Ankara Hospital as of January 1, 2023.

His medical interests include:

Hematopoietic Stem Cell Transplantation (Autologous, Allogeneic)

Acute Leukemia

Chronic Leukemia Treatments

Hodgkin Lymphoma

Non-Hodgkin Lymphoma Treatments

Multiple Myeloma Treatments, MDS

Aplastic Anemia

ITP

TTP Treatments

Hypercoagulability

Hereditary Thrombophilia Treatments

Therapeutic Apheresis

Photopheresis

Geriatric Hematology Diseases.

Dr. Mustafa Gurelik is a neurosurgeon who graduated from Cumhuriyet University Faculty of Medicine in 1989. He completed his specialization in 1997. He has worked at Cumhuriyet University, Sivas Anadolu Hospital, and Malatya Gözde Hospital.

Dr. Gurelik treats brain and spinal cord tumors, brain hemorrhages, spine diseases, and traumatic injuries to the head and spine. He is skilled in pituitary surgery, shunt and endoscopic procedures for hydrocephalus, and treatments for lumbar and neck hernias. He also manages cerebrovascular aneurysms and nerve compression syndromes such as carpal tunnel. Dr. Gurelik is known for his high success rates and dedication to advanced neurosurgical care.

Prof. Dr. Adil Baykan is a leading general and oncological surgeon in Turkey. He has over 28 years of clinical experience. He specializes in colorectal, endoscopic, and laparoscopic surgeries. He also treats thyroid and breast diseases.

Dr. Baykan has published several articles on colon cancer in national and international journals. He completed advanced training at St. Mark’s Hospital in London, the University of Minnesota, and the Mayo Clinic in the USA. He holds important academic and surgical roles at top hospitals in Turkey.