Interstitial brachytherapy in neurosurgery



A technique whereby radioactive implants are used to deliver locally high doses of radiation directly to tumors while exposing the nearby normal brain to less toxic doses. At present, the numbers are too small and the follow-up too short to determine the efficacy of interstitial brachytherapy 1).

Interstitial brachytherapy (IB) may reduce the rate of tumor growth, but it rarely produces clinical improvement. Patients are generally not considered for IB unless their Karnofsky performance score is ≥ 70.


1)
Bernstein M, Laperriere N, Leung P, et al. Interstitial Brachytherapy for Malignant Brain Tumors: Preliminary Results. Neurosurgery. 1990; 26:371–380
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