Definitions for brachytherapy
Radiotherapy using radioactive sources positioned within (or close to) the treatment volume.
Origin: From βραχύς + therapy from θεραπεία.
U.S. National Library of Medicine
A collective term for interstitial, intracavity, and surface radiotherapy. It uses small sealed or partly-sealed sources that may be placed on or near the body surface or within a natural body cavity or implanted directly into the tissues.
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