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Prof. Dr. med. h.c. Madjid Samii image

Department of neurosurgery

Prof. Dr. med. h.c. Madjid Samii

About the department

The department of neurosurgery at the International Neuroscience Institute Hanover (INI) offers a full range of services for the diagnosis and surgical treatment of diseases of the brain and spinal cord and the peripheral nervous system. The department is considered the leading neurosurgery facility worldwide. The department accepts both adults and children. Surgical interventions are the last stage of treatment, so neurosurgeons, neurologists and neuroradiologists consider the patient's clinical case individually. Successful surgical treatment is possible only with modern medical equipment. Therefore, each operating room in the department is equipped with the latest operating microscopes, neuronavigation and intraoperative systems that allow for the most accurate interventions without risk to the health.

The primary focus is the surgical treatment of brain and spinal cord tumours. The basis of therapy, as a rule, is an operation to resect the tumour. Minimally invasive surgery is always preferred, while classical open surgery is rarely used. There is neuronavigation and laser MRI-guided surgery available in the department. Also often used is the innovative method of stereotactic radiosurgery, in which tumour cells and metastases are destroyed using ionising radiation.

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Treatment and diagnostic focus of the department


  • Tumours of the brain and spinal cord
  • Vascular malformations, aneurysms and cavernomas
  • Epilepsy
  • Acoustic neuromas
  • Herniated discs
  • Spinal stenosis
  • Nerve damage
  • Hydrocephalus
  • Arachnoid cyst
  • Congenital malformations
  • Other pathological conditions of the nervous system

Diagnostic procedures:

  • Laboratory tests to rule out metabolic abnormalities
  • X-rays 
  • Myelogram 
  • Contrast-enhanced MRI (acquisition images during the passage of a contrast agent within a tissue)
  • MR spectroscopy (measuring biochemical changes in the brain)
  • Computed tomography
  • Nerve conduction velocity 
  • Electromyography 

Treatment options: 

  • Brain aneurysm surgery
  • Chiari malformation surgery
  • Computer-assisted brain surgery
  • Minimally invasive neurosurgery
  • Pediatric neurosurgery
  • Robotic surgery
  • Fetal surgery
  • Navigation-assisted surgery 
  • Stereotactic radiosurgery
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Doctor profile


  • 1957 – 1963 Medical School University of Mainz, Germany, including the second study of biology
  • 1970 Board of neurosurgery


  • 1970 Associate professor and vice director of neurosurgical department at university of Mainz
  • 1971 Professor of neurosurgery at the University of Mainz
  • 1977 - 2002 Director of Neurosurgical Department Nordstadt Hospital Hannover
  • 1988 Chair of neurosurgery in Hannover School of Medicine (MHH), Germany
  • 1996 Acted as the chairman of both Neurosurgical Departments in Nordstadt Hospital and Hannover School of Medicine
  • 2000 Founded the INI – International Neuroscience Institute® in Hannover and was nominated as its President

Awards, memberships, publications

  • Received the prize of the Iranian Science Ministry for the best Iranian students in Europe
  • President of the World Federation of Neurosurgical Societies (WFNS)
  • Founder and first President of WFNS Foundation
  • Founder Member and 1st President of the German Society of Skull Base Surgery
  • Founder and 1st President of Neurobionics Foundation Hannover
  • President of International Skull Base Society
  • Honorary President of German Society of Skull Base Surgery
  • President of the German Society of Neurosurgery
  • Madjis Samii Society of International Neurosurgeons (MASSIN)
  • Honorary President of CURAC (German Society for Computer- and Robot-assisted Surgery) 
  • WFNS Ambassador for Africa
  • Honorary President of the Continental African Association of Neurosurgical Societies (CAANS)
  • Honorary doctors and professors of 21 universities worldwide
  • Honorary and/or corresponding member of 71 national and international scientific societies
  • Visiting professors of Neurosurgery at numerous universities in Europe, the USA, Latin Amerika and Japan
  • Honorary citizen in 11 cities. 
  • Editor of 17 neurosurgical books and more than 500 publications
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