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Teyyub Hesenov

  • 16 years of experience
  • Location: Azerbaijan, Baku
  • Scientific degree, name, surname: Specialist. Dr. Teyub Hasanov

    Medical Division: Neurosurgery

    Education:

    Dokuz Eylul University, Turkey - September 2002 - June 2009

    Marmara University Faculty of Medicine – Department of Brain and Neurosurgery, Turkey June 2010 – June 2015

    Work experience:

    Fatih University Hospital Brain and Neurosurgery (Teacher) - 2015-2016

    Bahcheshehir University Medical Park Goztepe and VM Medical Park Pendik Hospital Brain and Neurosurgery (Associate Professor's Assistant) - 2016-2021

    Bona Dea Hospital - 2021-2023

     

    Special Educational Programs in Neurosurgery:

    Cranial Base Surgery Cadaver Course: September 20-21, 2013, Marmara University Institute of Neurological Sciences; ISTANBUL

    Course Director: Associate Professor Ashkin Sheker

     

    The VI Evidence-Based Multidisciplinary Neuro-Oncology Symposium - November 01-02, 2013, Point Barbaros Hotel, Istanbul, Turkey

    Chairman of Neuro-Oncology Society: Prof. Dr. M. Ibrahim ZIYAL

    Turkish Neurosurgery Society Endoscopic Skull Base Surgery Cadaver Course: November 15-16, 2013, Marmara University Institute of Neurological Sciences; ISTANBUL

    World Federation of Neurosurgical Societies Cranial Base Surgery Cadaver Course: June 2011, Istanbul 

    Turkish Neurosurgery Society the 26th Scientific Congress: April 20-24, 2012, Belek, Antalya 

    Turkish Neurosurgery Society the 27th Scientific Congress: April 12-16, 2013, Belek, Antalya

     

     

    Courses in Fundamentals of Neurosurgery:

    Period 4, Course 1, March 10-20, 2016, Cheshme, Izmir

    Period 4, Course 2, February 15-19, 2017, Cheshme, Izmir

    Period 4, Course 3, March 14-18, 2018, Cheshme, Izmir

    Period 4, Course 4, March 20-23, 2019, Belek, Antalya

     

    Scientific Works:

    A. Presentations and Articles at International Scientific Meetings

    Ozoner B., Gungor A., ​​Hasanov T., Toktas Z.O., & Kilij T. (2020).

    Neurosurgical practice during the coronavirus disease 2019 (COVID-19) pandemic. World Neurosurgery, 140, 198-207.

    Mikayilli M., Hasanov T., Otluoglu G.D., Najitarhan D.E., Toktas Z.O., & Cholak A. (2020). Congenital lateral encephalocele - case report. Child Nervous System, 36 (12), 3119-3122.

    Mikayilli M., Hasanov T., Otluoglu G.D, Najitarhan D.E., Erdogan, R.B.A, Demir N, ... & Cholak A. (2019). Spontaneous idiopathic cerebrospinal fluid rhinorrhea. Journal of Craniofacial Surgery.

    Otluoglu G. D., Hasanov T., Mert B., Toktas Z.O., Konya D., & Demir M.K. (2019). Missed microcatheter breakage and cauda equina migration after endovascular neurointervention for dural arteriovenous fistula as a rare cause of tethered spinal cord: a case report. Journal of Neurosurgery: Spine, 32(4), 607-610.

    Yilmaz B., SHENER S., TEYYUB H., AKAKIN A., YAPIJIER O., & Demir M.K. (2018). Visual qualitative assessment of apparent diffusion coefficient quantification and Ki-67 proliferation index of diffusion-weighted imaging to predict atypia in surgical meningiomas. Marmara Medical Journal, 31(2), 68-75.

    DEMIR Mustafa Kemal, YAPIJIER Ozlem, HASANOV Teyyub, KILICH Deniz, KILICH Türker. Rapidly expanding calvarial Langerhans cell histiocytosis with low Ki-67 in adults: a difficult diagnosis on magnetic resonance imaging. Journal of Neuroradiology, 2018, 31.4: 390-394.

    DEMIR Mustafa Kemal, YAPICIER Ozlem, HASANOV Teyyub, YILMAZ Baran, KILICH Turker. Hydatid disease: MR image of calvarium and superior sagittal sinus spread. Journal of Neuroradiology, 2018, 31.3: 320-323.

    DEMIR Mustafa Kemal, YAPIJIER Ozlem, HASANOV Teyyub, GUNDUZ Mehmet Alp, KILICH Turker. Systemic large B-cell non-Hodgkin's lymphoma presenting as a massive hemorrhagic intracerebral mass. Diagnostic and invasive imaging, 2017, 98.10: 737.

    UNAL E, ANTAR V, HASANOV T, GUZEL A, KILICH K. P16. 32 Primary brain lymphomas. Case report and literature review. Neurooncology, 2017, 19. Supplement 3: iii. 115.

    Demirchi G, Hasanov T, Bayri Y, Konya D "Occipitocervical Fusion in Craniovertebral Junction Pathologies" Congress of Neurological Surgeons 2013 Annual Meeting, San Francisco, CA, 2013

     

    B. Articles Published in International Peer-Reviewed Journals:

    Hasanov T, Cholak A. Orbital tumors in childhood. Bagdatoglu C, editor. Overview of Pediatric Central Nervous System Tumors From Diagnosis to Treatment. 1st Edition. Ankara: Turkey Clinics; 2021. pp. 85-7.

    Teyyub Hasanov; AKAKIN Akin; Kilij Turker. Management of Treatment in Arteriovenous Malformations. Turkish Clinics Neurosurgery – Special Topics, 2019, 9.1: 20-26.

    Murat Shakir Ekshi, Teyyub HASANOV, Yashar BAYRI, Mustafa İbrahim ZIYAL, Ashkin Sheker, "Jasper Stone-Like Skull: Massive Cranial Metastasis with Leptomeningeal Flow - A Rare Case Report", Journal of Neurological Sciences (in Turkish), 2013, Volume 30, Issue 4, p. 776-779.

    Ozgur Chelik, Teyyub HASANOV, Suheyla Uyar BOZKURT, Yashar BAYRI, Mustafa Ibrahim ZİYAL, "Granulocytic Sarcoma of the Cavernous Sinus Presenting with Trigeminal Neuralgia", Turkish Journal of Neurosurgery 2013, Volume: 23, Number: 3, p. 327-330.

    Murat Shakir Ekshi, Teyyub Hasanov, Baran Yilmaz, Akin Akakin, Yashar Bayri, Suheyla Uyar Bozkurt, Turker Kilij, "Isolated breast cancer metastasis to the pituitary gland" Indian Journal of Neurology 2014, Volume 62, pp70-71.

    Murat Shakir Ekshi, Teyyub Hasanov, Suheyla Uyar Bozkurt, Yashar Bayri, M. Ibrahim Ziyal, "Two Different Primary Tumors in the Same Brain - Case Report and Literature Review", Journal of Neurological Sciences, 2014, Volume 31, Issue 3, p. 635-640. 6 p.

    Bahattin TANRIKULU, Teyyub HASANOV, Suheyla UYAR BOZKURT, Ashkin Sheker, "Schwannoma Similar to Sacral Pure Spinal Epidural Cavernoma: A Case Report", Journal of Neurological Sciences, 2015, Volume 32, Issue 2, pp. 412-417

    Articles presented at international scientific meetings and published in collections of scientific works:

    Ekshi M.S, Demirji G, Hasanov T, Chelik O, Bayri Y "Familial Chiari Malformation", Turkish Neurosurgery Society 26th Annual Scientific Congress, April 20-24, 2012, Belek, Antalya

    Atik A.F, Hasanov T, Chelik O, Bayri Y, Konya D, "Posttraumatic Epidural Hematoma and Retroorbital Abscesses: Case Report", Turkish Neurosurgery Society 26th Annual Scientific Congress, April 20-24, 2012, Belek, Antalya

     

    Doğrul R, Ekshi M.S, Hasanov T, Bayri Y, Konya D, "Migration of Instrumental Material into the Abdomen in a Surgically Treated Spondylolisthesis Patient", Turkish Neurosurgery Society 27th Annual Scientific Congress, April 12-16, 2013, Belek, Antalya

    Hasanov T, Ekshi M.S, Chelik O, Bayri Y, Bozkurt S.U, Ziyal I, "Isolated Cavernous Sinus Myeloid Sarcoma Presenting with Trigeminal Neuralgia", Turkish Neurosurgery Society 27th Annual Scientific Congress, April 12-16, 2013, Belek, Antalya

    Yilmaz B. Toktas Z. Konya D. Hasanov T. Intracranial Complications of Lumbar Spinal Surgery.

     

    D. Book Section

    Akin A, Hasanov T. Fundamentals of Surgical Treatment in Parkinson's Disease. Bijeroglu H, Tonge M, Sechkin M, Adiguzel E, Gurvit H, Hanji M, editors. Movement Disorders Surgery: 2019.

    Hasanov T, Toktas Z. Spinal Injuries. Furunjuoglu Y. Emergency Medical Manual. Gunesh Medical Bookstores: 2020 
     

     

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Murat Duzgun

  • 15 years of experience
  • Location: Turkey, İzmir
  • KTU Faculty of Medicine 2005-2011

    Izmir Ege University Faculty of Medicine Hospital Department of Brain and Nerve Surgery

    2011-2017 Erzincan BY University Faculty of Medicine

    2017-2023 Izmir University of Economics Medicalpark Hospital

     

    AREAS OF INTEREST AND TREATMENT METHODS USED;

    Spine Surgery

    Lumbar hernias, (fully closed herniated disc surgery, microsurgery herniated disc surgery)

    Cervical hernias (fully closed cervical disc herniation surgery, microsurgery cervical disc herniation surgery)

    Spinal Fracture Treatment (open surgery and fully closed surgery = kyphoplasty vertebroplasty)

    Scoliosis (Spine Curvatures)

    Ankylosing Spondylitis (Hunchback)

    Spine Tumors

    Nerve Compression

    Endoscopic (Closed Method) Brain Tumor Surgeries

    Brain tumor surgery with neuronavigation

    Brain Hemorrhages

    Pain Intervention Procedures (Radiofrequency, Laser)

    Hydrocephalus (accumulation of water in the brain)

    Congenital Anomalies

    Minimally Invasive Procedures and Head Traumas.

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Kumkum Vatsa

  • Location: India, Gurgaon
  • The doctor is a renowned specialist in high-risk pregnancy management with 35 years of experience in gynecology. Specializing in the management of complex cases such as ectopic pregnancies, the doctor is proficient in endoscopic operations, including laparoscopy and hysteroscopy. The doctor also focuses on the treatment of benign tumors, cysts, and the diagnosis and treatment of cervical and vaginal cancer. Additionally, the doctor performs various types of hysterectomies and palliative interventions for advanced cancer.

    The doctor completed medical school in Gurgaon, followed by an internship in obstetrics-gynecology and subspecialization in endoscopic methods at the Fortis Memorial Research Institute. The doctor is a Senior Consultant at the Department of Obstetrics and Gynecology at the same institute and is an active member of several specialty societies.

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Osman Ilhan

  • 48 years of experience
  • accreditation:
  • Location: Turkey, Ankara
  • 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.

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Michael Truss

  • Location: Germany, Dortmund
  • The doctor is a leading urologist in Germany, recognized by FOCUS magazine, with over 30 years of experience. Specializing in oncourology, particularly prostate cancer, the doctor works at the Prostate Carcinoma Center accredited by the German Cancer Society. Expertise includes minimally invasive techniques and robotic-assisted surgeries to treat urinary incontinence, erectile dysfunction, and perform palliative surgeries.

    Graduating from Hannover Medical School in 1986, with further training at Harvard and Johns Hopkins, the doctor has published extensively in renowned journals and received prestigious awards like the Jack Lapides Prize.

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Yusuf Serdar Sakin

  • 24 years of experience
  • Location: Turkey, Ankara
  • 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.

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Sema Yilmaz

  • 36 years of experience
  • accreditations:
  • Location: Turkey, Ankara
  • 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

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Bookimed Insights: Top Tumor Marker Blood Test Specialists in the World (2026)

Bookimed has coordinated 864436 requests for Tumor Marker Blood Test globally, collaborating with 210 top-rated specialists. The doctors in this table are selected based on their international credentials, clinical expertise, and patient outcomes. The 2026 global ranking is formed using verified data from actual patient cases and current programs from our partner clinics.
RankDoctorexperienceGood Fit ForWhat Sets Them ApartClinic & LocationConsultation

Find out about the best Tumor Marker Blood Test doctors here

20 top ranked Tumor Marker Blood Test doctors in the world are represented on this page. The list includes only verified specialists known for their experience and high success rates.

The ranking is composed according to the Bookimed patient reviews and considers the rate of hospitals where doctors practice.

Top 5 Tumor Marker Blood Test doctors on Bookimed.com:

How to choose the best Tumor Marker Blood Test doctor in the world?

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Famous Tumor Marker Blood Test doctors have vast experience, continue education constantly, participate in professional associations and have positive feedback from patients treated.

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