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Dr. med. Otto Bundschuh image

Department of radiotherapy and Gamma Knife

Dr. med. Otto Bundschuh
gamma knife, neurosurgery, radiosurgery

About the department

The department of radiotherapy and Gamma Knife at Radiotherapy and Gamma Knife Center Hanover offers the full range of radiosurgery options. Treatment begins with an individual consultation and comprehensive diagnostics, and therapy is followed by all the necessary procedures for aftercare and fixing the result. The department has at its disposal the innovative Gamma Knife ICON, which allows almost painless removal of a tumour up to 3 cm in size without damaging surrounding healthy tissues. Lars Leksell invented this unrivalled treatment method in 1968. The advantage of the method is that it can be performed on an outpatient basis. In addition, doctors of the department have many years of clinical experience, so patients can be sure that they will get the best result.

The key focus of the department is neurological disorders, especially large and hard-to-reach tumours near the visual system and brainstem. Depending on the treatment, radiosurgery takes an average of 30-90 minutes, during which the patient can listen to music. Anaesthesia may be applied at the patient's request, but this is usually not used because the procedure does not cause severe pain.

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Treatment and diagnostic focus of the department


  • Brain metastases
  • Arteriovenous malformations
  • Facial nerve pain (trigeminal neuralgia)
  • Meningiomas
  • Acoustic neuromas
  • Gliomas and pituitary tumours
  • Arteriovenous malformation
  • Choroidal melanoma 
  • Orbital metastases 
  • Glomus tumours 
  • Cavernous angiomas
  • Other pathological conditions

Diagnostic procedures: 

  • Anamnesis 
  • Magnetic resonance imaging (MRI) 
  • Computed tomography (CT) 
  • Angiography (used to check blood vessels)

Treatment steps and options:

  • Headframe placement
  • Tumour or lesion location imaging
  • Radiation dose planning
  • Radiation treatment
  • GammaKnife 
  • Stereotactic radiosurgery
  • Radiotherapy with a linear accelerator
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Doctor profile


  • Education in stereotactic radiosurgery in Stockholm, Aachen, Krefeld and Hannover 


  • Since 1998 Neurosurgery Specialist
  • 2000 to 2008 Attending Physician at the International Neuroscience Institute (INI) – Neurosurgery, Hanover
  • Since 2000 Gamma Knife radiosurgery
  • 2008 to 2018 Director of the Gamma Knife Center Hanover (Ärzte am Raschplatz clinic)
  • Since 2019 Medical Director of the MVZ Gamma Knife Center Hanover

Awards, memberships, publications

  • German Society for Neurosurgery
  • Association of German Neurosurgeons
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