radionecrosis


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Related to radionecrosis: osteoradionecrosis

radionecrosis

 [ra″de-o-nĕ-kro´sis]
tissue destruction due to radiant energy.

ra·di·o·ne·cro·sis

(rā'dē-ō-nĕ-krō'sis),
Necrosis due to radiation; for example, after excessive exposure to x- or gamma rays. See: radiation burn.

ra·di·o·ne·cro·sis

(rā'dē-ō-nĕ-krō'sis)
Necrosis due to radiation (e.g., after excessive exposure to x-rays or gamma rays).
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References in periodicals archive ?
Kaufmann, "Pseudoprogression, radionecrosis, inflammation or true tumor progression?
The other one presented with a complex wound secondary to radionecrosis in her leg after radiotherapy for a malignant fibrohistiocytoma treatment.
A "harmonic" reduction of Cho, Cr, and NAA in the presence of lipids is usually associated with radionecrosis while lipids in the presence of elevated Cho/Cr ratio and low NAA suggest the presence of high-grade glioma.
KEY WORDS: Radionecrosis, Hyperbaric oxygen therapy, Breast cancer.
La radioterapia, por su parte, puede causar complicaciones en una etapa temprana o en una etapa tardia y estas consisten primordialmente en radionecrosis o leucoaraiosis, leucoencefalopatia, y por lo tanto, disfuncion cognitiva.
Characteristics of the Four Patients Who Died Age at diagnosis Date of Initially Date of Patient Sex/Race (years) diagnosis metastatic death 1 F/B 12.9 10/13/1986 No 12/8/2002 2 F/W 1.1 1/17/1994 No 7/19/2003 3 F/B 13.8 9/15/1997 No 5/30/2003 4 M/B 6.0 3/7/2000 No 11/18/2007 Survival Patient (years) Cause of death 1 26.2 Diabetes, myocardial infarction 2 9.5 Metabolic complications, radionecrosis 3 5.7 Metabolic complications 4 5.7 Recurrent craniopharyngioma Note.
However, 18F-FDG PET is a useful technique, used in conjunction with MRI, for differentiating radionecrosis from active disease following gamma-knife treatment.
For practical purposes, complications of craniospinal irradiation include delayed radionecrosis and leukoencephalopathy.
A 67-year-old man with a history of laryngeal squamous cell carcinoma that had been treated with primary radiotherapy 20 years earlier developed laryngeal radionecrosis, and he underwent tracheotomy for airway obstruction at an outside hospital.
Patients reported as failure included those requiring either emergent surgical intervention due to hemorrhage, unresponsive radionecrosis with significant mass effect, and significant morbidity or mortality (negative disability changes).
The sensitivity and specificity of FDG PET in distinguishing recurrent brain tumor from radionecrosis in patients treated with stereotactic radiosurgery.
Even worse, over time this effect will progress, leading to fibrosis and spontaneous radionecrosis (death) of soft tissue or bone.