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necrosis
(redirected from radiation necrosis)

   Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia, Hutchinson 0.04 sec.
necrosis
1. the death of one or more cells in the body, usually within a localized area, as from an interruption of the blood supply to that part
2. death of plant tissue due to disease, frost, etc.

necrosis [nə′krō·səs]
(medicine)
Death of a cell or group of cells as a result of injury, disease, or other pathologic state.


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Most of the available literature on the development of sleep apnea following radiation has focused on obstructive sleep apnea, (11-13) but it should be kept in mind that central sleep apnea may also occur, as Udwadia et al noted in a report detailing radiation necrosis of the medulla with resultant central apneas.
At recurrence, treatment options are limited as patients are not candidates for further conventional external beam radiation due to the possibility of treatment-related toxicities such as radiation necrosis and other late radiation effects.
The relationship between dental disease and radiation necrosis of the mandible.
 
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