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Stereotactic Gamma Ray Surgery for Malignant Intracranial Tumors

Medically reviewed by Last updated on Jan 5, 2023.

This surgery is used to treat malignant (cancer) tumors inside your head. Beams of radiation kill the tumor cells. Normal tissues near the tumor get little or no radiation. Malignant tumors can grow anywhere inside your head.


Call your local emergency number (911 in the US) if:

  • You have trouble breathing, seeing, talking, or thinking clearly.
  • You passed out or had a seizure.

Seek care immediately if:

  • Your face is getting numb, or you cannot move your arms or legs.
  • You have a severe headache that does not go away even after you take pain medicine.

Call your doctor or surgeon if:

  • You have a fever.
  • You have dizziness or nausea, or you are vomiting.
  • You have questions or concerns about your condition or care.

Follow up with your doctor or surgeon as directed:

Ask if and when you need to return for other gamma ray treatments. Write down your questions so you remember to ask them during your visits.

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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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