Hematology and Oncology Book

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Stereotactic RadiosurgeryAka: Gamma Knife

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  1. See Also
    1. External Beam Radiation Therapy
  2. Indications: Intracranial Lesions
    1. Brain metastases
    2. Meningioma
    3. Acoustic Neuroma
    4. Arteriovenous Malformation
    5. Trigeminal Neuralgia
  3. Mechanism
    1. Multiple radiation beams directed at target tumor
    2. High-dose radiation to the tumor (sparing surrounding tissue)
  4. Protocol
    1. Tumor Localization
      1. MRI used to localize the tumor
      2. Patient's head fixed in a positioning frame to prevent movement
    2. Dose: Single treatment for 45-60 minutes

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