Less common CT features of medulloblastoma.

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Abstract
While many medulloblastomas have characteristic features on computed tomography (CT), a significant number have atypical features, including a cystic or necrotic component, calcification, hemorrhage, lack of contrast enhancement, an eccentric location, and/or direct supratentorial extension. Of 30 consecutive untreated [human] cases reviewed, 14 (47%) had such findings. Failure to make the proper diagnosis will result in some cases if these features are not recognized as possible signs of medulloblastoma.