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Prof. Dr. Firuzan Numan image

Department of interventional neuroradiology

Prof. Dr. Firuzan Numan
interventional neuroradiology

About the department

The department of interventional neuroradiology and Radiology at Memorial Sisli Hospital Istanbul provides comprehensive care to patients with diseases and disorders of the brain, spinal cord and their vessels, including cerebral aneurysms, stroke and vascular malformations. This approach is minimally invasive using modern imaging-guided devices. The medical team uses short-term catheters and wire-based methods for recovery. In cooperation with other disciplines, the department provides daily full anaesthetic support for elective and emergency procedures. Doctors have access to state-of-the-art neurological prosthetic implants (coils, stents, solid and liquid embolic materials) and disposable equipment (microcatheters, microwires and stent-retrievers). Neurologists perform all interventional neuroradiological procedures in the department's newest laboratories.

The department treats vascular diseases of the brain and spinal cord using minimally invasive techniques under visual control. Using state-of-the-art technology and working with a multidisciplinary team, many vascular disorders of the head, neck, brain and spine can be effectively treated without traditional surgery. One of the advantages of endovascular surgical neuroradiology and minimally invasive neurointerventional techniques is a short hospital stay with reduced recovery time and procedural risks.

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Treatment and diagnostic focus of the department


  • Arteriovenous malformations
  • Vascular malformations
  • Brain aneurysms: ruptured and unruptured
  • Brain tumours
  • Carotid disease and stenosis
  • Chronic subdural haemorrhage
  • Venous occlusive disease
  • Stroke
  • Tumours of the head and neck
  • Nose bleeding
  • Traumas of the carotid and vertebral arteries
  • Malformations of the vessels of the spine, fistulas


  • Anamnesis 
  • Physical examination
  • Biochemical analysis 
  • Ultrasound examination 
  • Digital X-ray 
  • Computed tomography (CT scan) 
  • Magnetic resonance angiography 
  • Doppler and duplex sonography 
  • Myelography (uses a contrast dye and X-rays to look for problems in the spinal canal)
  • Electromyography (ENG) 
  • Spinal angiography 
  • Cerebral arteriography


  • Stenting
  • Embolization
  • Balloon angioplasty
  • Dissection of the carotid and vertebral arteries
  • Dural arteriovenous fistula (DAVF)
  • Computer-assisted brain surgery
  • Stereotactic radiosurgery
  • Arteriovenous malformation and arteriovenous fistula embolizations
  • Tumour embolization 
  • Mechanical thrombectomy 
  • Radio-frequency ablation
  • Percutaneous sclerotherapy
  • Other treatment options 
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Doctor profile


  • 1980 - 1986 Radiology Specialisation Training, Istanbul University Cerrahpasa Medical Faculty, İstanbul, Turkey
  • 1974 - 1980 Medical Training, Istanbul University Cerrahpasa Medical Faculty, İstanbul, Turkey


  • 2000 Head of Interventional Radiology, Memorial Sisli Hospital, İstanbul, Turkey
  • 1995 Head of Interventional Radiology Department, Istanbul University Cerrahpasa Medical Faculty, İstanbul, Turkey 

Awards, memberships, publications

  • Turkish Radiology Association
  • European Society of Cardiovascular and Interventional Radiology 
  • Turkish Society of Cardiovascular and Interventional Radiology 
  • Society of Cardiovascular and Interventional Radiology 
  • Turkish Neuroradiology Association
  • European Association of Gastrointestinal and Abdominal Radiology 
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