Best Tumor Marker Blood Test Doctors Abroad

Dr. Mehmet Ali Gok is an Associate Professor of General Surgery at Medipol University Pendik Hospital. He specializes in laparoscopic hernia repair and metabolic surgery. Dr. Gok has authored over 20 national and international scientific articles on surgical outcomes. He practices at a hospital with 95.4 out of 96.4 healthcare quality points.

• Certified in robotic colorectal surgery and laparoscopic hernia techniques on cadavers.
• Received specialized training from the European Hernia Society in Dubai.
• Served as a former Chief Physician at Silopi State Hospital.
• Editor of several medical books on oncological, hernia, and minimal invasive surgery.

Dr. Nihat Okcu is a gastroenterologist and gastrointestinal surgeon at Medipol University Pendik Hospital. He specializes in the treatment of complex digestive conditions and liver diseases. Dr. Okcu has published over 20 academic papers on gastric cancer and endoscopic diagnosis. He serves at a hospital with a 95.4% healthcare quality score.

• Performs laparoscopic anti-reflux surgery and small intestine resections.
• Expert in gastric polyps removal and duodenal polyp excision.
• Treats chronic conditions like cirrhosis, Crohn’s disease, and ulcerative colitis.
• Provides diagnostic gastroscopy with biopsy and ultrasound-guided procedures.

Dr. Yilmaz Yozgat is a pediatric cardiologist at Medipol University Pendik Hospital in Istanbul. He specializes in treating children with complex heart and vascular diseases. Dr. Yozgat trained at the prestigious Gülhane Military Medical Academy. He manages challenging cases like dilated cardiomyopathy and pulmonary hypertension in young patients.

• Performs diagnostic heart check-ups, exercise tests, and carotid artery ultrasounds.
• Treats childhood cardiac conditions including arrhythmias and coronary artery disease.
• Served as a faculty member at Bezmialem Foundation University.
• Practices at a center featuring 21 intensive care units for newborns.

Dr. Bengisu Ay is an infectious diseases specialist at Medipol University Pendik Hospital in Istanbul. She focuses on viral hepatitis, diabetic foot infections, and clinical microbiology. Dr. Ay has contributed to multi-center studies on antibiotic resistance and pathogen identification. She treats complex cases at a clinic that serves 350,000 patients annually.

• Specializes in the treatment of Chronic Hepatitis C and Mediterranean spotted fever.
• Authored research on epidermal growth factor for diabetic foot wounds.
• Former physician at Acipayam State Hospital and Bozyaka Training Hospital.
• Published international research on causative pathogens in bacterial infections.

Dr. Caglayan Altinbas is a physician at Medipol University Pendik Hospital in Istanbul. He specializes in rehabilitation for complex spinal cord injuries and pediatric cerebral palsy. Dr. Altinbas earned his medical degree from Marmara University and completed residency at Bezmialem Vakif University. He holds a certificate in Physical Medicine and Rehabilitation.

• Expertise includes orthopedic recovery and pediatric physical therapy programs.
• Treats patients at a clinic scoring 95.4 out of 96.4 for quality standards.
• Performs specialized rehabilitation for children with motor disabilities.
• Practices at a university-affiliated center serving 350,000 patients annually.

Dr. Teyyub Hesenov is a neurosurgeon at Melhem International Hospital in Baku. He focuses on neuromodulation and complex tumor resections. Dr. Hesenov was the first to perform Parkinson’s surgery in Azerbaijan. He earned his medical degree and specialist training at major Turkish universities. His practice includes adult and pediatric neurosurgery.

• Specializes in deep brain stimulation (DBS) for movement disorders.
• Performs baclofen pump and vagal nerve stimulator implantations.
• Treats brain and spine tumors using minimally invasive techniques.
• Authored over 10 scientific papers in international journals like World Neurosurgery.

Dr. Murat Duzgun is a neurosurgeon at Can Hospitals Turkey in İzmir. He specializes in spine surgery and endoscopic brain tumor removal. Dr. Duzgun uses neuronavigation for high-precision brain surgery. He performs fully closed procedures for herniated discs and spinal fractures.

• Performs kyphoplasty and vertebroplasty for spinal fracture treatment.
• Treats scoliosis, ankylosing spondylitis, and nerve compression.
• Expert in minimally invasive pain interventions like radiofrequency and laser.
• Treats pediatric neurosurgery cases including hydrocephalus and congenital anomalies.

Dr. Melahat Bekir Kulah is a pulmonologist at Medipol University Pendik Hospital in Istanbul. She specializes in treating asthma, pneumonia, and chronic obstructive pulmonary disease (COPD). Dr. Kulah won a Poster Award from the Turkish Thoracic Society for her research. Her work focused on the quality of life for patients with bronchiectasis. Dr. Kulah practices at a hospital that serves 350,000 patients annually.

• Expert in bronchiectasis, scoliosis-related lung function, and COPD exacerbations.
• Authored nearly 20 publications in international and national medical journals.
• Presents research at major global conferences like ATS and ERS.
• Uses ultrasound to evaluate diaphragm thickness and respiratory health.

Dr. Alandag Celal is a clinical oncologist at Medicana Sivas Hospital in Turkey. He performs medicinal therapies for malignancies, including chemotherapy and immunotherapy. Dr. Celal treats conditions ranging from lung and breast cancer to sarcomas. He works at a hospital that treats over 113,000 patients every year.

• Expertise includes hormone therapy and chemotherapy for kidney and testicular cancers.
• Treats gastrointestinal malignancies like pancreatic, stomach, and colon cancers.
• Manages immunotherapy protocols for lung and prostate cancer.
• Treats neurological tumors, including glioblastoma and medulloblastoma.

Dr. Ahmet Oktem is a neonatologist at Medipol Acibadem District Hospital in Istanbul. He specializes in the intensive care of premature infants and neonatal infections. Dr. Oktem focuses on treating respiratory issues and metabolic disorders like hypoglycemia. He holds a doctorate from Ankara University and completed specialization at Hacettepe University.

• Manages complex cases of congenital anomalies and birth-related infections.
• Expert in prenatal screening and postnatal interventions for newborns.
• Treats pediatric conditions including hydrocephalus and spina bifida.
• Practices at a JCI-accredited facility using robotic surgical systems.

Dr. Saygili Ozlem is a gastroenterologist at Medicana Sivas Hospital in Turkey. She treats digestive conditions including Crohn's disease, ulcerative colitis, and cirrhosis. Dr. Ozlem performs procedures such as gastric and duodenal polyp removals. She works at Medicana Sivas, a facility that treats over 113,000 patients annually.

• Treats chronic gastritis and pancreatitis.
• Performs endoscopic removal of gastrointestinal tract polyps.
• Manages gastric ulcers and cholelithiasis.
• Practices at a hospital with 219 beds and 86 medical specialists.

Dr. Murat Sarikaya is a gastroenterologist at Medipol Bahçelievler University Hospital in Istanbul. He treats complex conditions like Crohn's disease, ulcerative colitis, and cirrhosis. Dr. Sarikaya is a published researcher with numerous articles in international peer-reviewed journals. His work appeared in reputable titles such as the American Surgeon and Nordic journals.

• Performs endoscopic procedures including gastroscopy, colonoscopy, and ERCP.
• Treats gastrointestinal polyps and manages severe acute pancreatitis cases.
• Practices at a JCI-accredited facility treating 600,000 patients annually.
• Utilizes advanced diagnostics like PET-CT for precise tumor mapping.

Dr. Anjila Aneja leads gynecologic oncology cases at Fortis Gurgaon. She uses tumor marker blood tests to track and treat cancers of the reproductive system.

• Treats cervical cancer at a Newsweek-ranked World's Best Smart Hospital
• Performs trachelectomy – a surgery that removes the cervix while preserving fertility
• Specializes in both benign and oncological hysterectomies
• Works within a major 1,000-bed facility that treats 3,500 patients annually

Prof. Dr. Suna Emir graduated from Hacettepe University Faculty of Medicine in 1989. She completed her pediatrics residency at Hacettepe University from 1990 to 1995. In 2001, she finished her pediatric oncology subspecialty at the Hacettepe University Oncology Institute. She became an Associate Professor in 2004. From 2004 to 2009, she worked at Ankara Dışkapı Children's Health and Diseases Training and Research Hospital and founded the Pediatric Oncology Clinic there. In 2009, she served as Deputy Chief of Pediatric Oncology. From 2009 to 2016, she was a pediatric hematology–oncology training officer at the Ankara Children's Health and Diseases Hematology–Oncology Training and Research Hospital. Since 2019, she has been a Professor and founding faculty member in Child Health and Diseases at Atilim University.

She is an expert in general pediatrics and pediatric hematology–oncology. She is active in residency and subspecialty training. Her clinical interests include childhood diseases from birth to 18 years, lymphoma, solid tumors, autologous bone marrow transplantation, anemia, bleeding disorders, hereditary blood diseases, hemangiomas and other benign tumors, and enlarged lymph nodes.

Prof. Dr. Musa Aydınlı is an internal medicine specialist and gastroenterologist. He completed his MD at Hacettepe University in 1997. He finished internal medicine training in 2003 and gastroenterology training in 2007 at the same institution. He worked at Kayseri Training and Research Hospital from 2007 to 2009. He served in the Gastroenterology Department at Gaziantep University from 2009 to 2014. He became an associate professor in 2012 and a professor in 2020. He joined Gülhane Training and Research Hospital in 2022. He now practices at Private Koru Ankara Hospital.

Clinical focus: GERD; dyspepsia, gastritis, and Helicobacter pylori; peptic ulcer disease; celiac disease; IBS and IBD (ulcerative colitis, Crohn’s disease); colon polyps; colorectal and upper GI cancers; liver disease (fatty liver, chronic hepatitis, cirrhosis, portal hypertension); hepatobiliary and pancreatic disorders and cancers. Procedures: EGD, rectosigmoidoscopy, and colonoscopy; biopsy, polypectomy, and endoscopic mucosal resection; hemostasis and APC; dilation and stent placement; PEG; ERCP; EUS-guided biopsy.

Dr. Didem Tastekin is a medical oncologist at Biruni University Hospital in Istanbul. She specializes in breast and lung cancer treatment, including stage 4 cases. Dr. Tastekin received the TUBITAK Incentive Award for her work in cancer research. She is an active member of both ESMO and ASCO.

• Awarded Best Researcher of the Year at Istanbul University Oncology Institute.
• Treats complex cases at a TEMOS-accredited university hospital.
• Coordinates oncological check-ups and screenings for both men and women.
• Expert in diagnostics including PET-MRI, tumor markers, and organ biopsies.

Dr. Erol Cakmak leads gastroenterology at Medicana Sivas Hospital. He specializes in identifying digestive cancers through tumor marker blood tests and endoscopy.

• Performs endoscopic interventions to remove polyps and growths in the stomach
• Treats Barrett's esophagus – a condition that can lead to esophageal cancer
• Manages chronic liver conditions including cirrhosis at a high-volume hospital center
• Identifies inflammatory bowel diseases like Crohn's disease and ulcerative colitis

3,000+ surgical interventions performed – Professor Kraus is the Chief Physician at Nordwest Clinic and a specialist in hepatobiliary oncology.

• Focuses on pancreatic surgery and malignant tumors of the digestive tract
• Uses intraoperative sonography – ultrasound imaging performed during procedures for high accuracy
• Trained at Memorial Sloan-Kettering and Johns Hopkins in the USA
• Speaker at 500 global medical conferences regarding his oncological research
• Fellow of the American College of Surgeons (FACS)

Dr. Isil Yurdaisik is a radiologist at Menfis Health Novimaj in Istanbul. She specializes in diagnostic imaging and interventional radiology. Dr. Yurdaisik conducted a study on radiation exposure in COVID-19 patients, focusing on reducing radiation doses during chest CT scans to follow safety guidelines for patient protection.

She treats conditions like fibrocystic breast disease and helps with weight loss procedures, using imaging for gastric balloon placements. She works at a clinic accredited by the Turkish Medical Association and authorized for international health tourism. Dr. Yurdaisik also gives online consultations to patients abroad.

Dr. Muhammed Gomec is a general surgeon at Medicana Sivas Hospital in Turkey. He performs gastrointestinal and colorectal surgeries for cancerous and non-cancerous conditions. Dr. Gomec also performs weight loss procedures, including gastric sleeve and gastric bypass surgery.

He performs abdominal interventions such as liver resection and colectomy. He treats oncological cases, including stomach, pancreatic, and colon cancers. Dr. Gomec works at a hospital that serves over 110,000 patients annually.