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20 March 2010

Answer to Question #867 Submitted to "Ask the Experts"

Category: Radiation Effects — Radiation Modifiers

The following question was answered by an expert in the appropriate field:

What is the definition of radioresponsive?

According to Dorland's Medical Dictionary, radioresponsive refers to "reacting favorably to radiation." It is a term that is commonly used in radiation therapy. A tumor (cancer) that shrinks or disappears following radiation therapy treatment would be considered radioresponsive. Many tumors in the head and neck region are radioresponsive. Certain brain tumors are not radioresponsive. Kenneth L. Mossman, CHP Medical Health Physicist

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