Cerebral radiation necrosis

Case contributed by Frank Gaillard
Diagnosis almost certain

Presentation

Patient with an adenocarcinoma metastasis treated with radiosurgery.

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

mri

Peripherally-enhancing lesion in the left parieto-occipital region surrounded by vasogenic edema. Note the reduced perfusion in the enhancing component helping to differentiate it from recurrence.

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