Multi-Session Gamma Knife Radiosurgery for Cancers of the Brain

Gamma Knife is a form of external stereostatic radiosurgery that uses 192 smaller beams of radiation to converge on a precise area of the body. With an accuracy of 0.5mm, Gamma Knife has minimal effects on surrounding healthy tissues and can be used to treat patients with lesions close to critical structures located in the brain and base of the skull. In order to treat larger tumors, the total radiation dosage can be divided into several smaller doses over a period of several days, resulting in fewer toxic effects to healthy cells. I like this approach because it greatly reduces the damage to normal tissues that occurs with standard external beam radiotherapy.
Multi-Session Gamma Knife Radiosurgery Gaining Traction in North America to Treat Patients With Cancers in Brain and Skull Base.

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