Medulloblastoma

Case contributed by Dr Dalia Ibrahim

Presentation

Ataxia

Patient Data

Age: 25 years old
Gender: Male
Modality: MRI

The left cerebellar hemisphere is diffusely enlarged by virtue of large ill defined heterogenous lesion, showing slightly striated cystic appearance, it elicits isointense/low signal at T1 WI and being of high signal at T2 and FLAIR WI showing areas of diffusion restriction ; it shows minimal faint post contrast enhancement, the lesion extends to the cerebellar vermis.

The lesion exerts mass effect in the form mild compression of the fourth ventricle and mild cerebellar tonsillar herniation through the foramen magnum which is mildly compressing the medulla.

Subsequent supratentorial ventricular system dilatation with periventricular CSF permeation.

Case Discussion

Biopsy proven adult medulloblastoma

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Case Information

rID: 30055
Case created: 15th Jul 2014
Last edited: 14th Mar 2016
Inclusion in quiz mode: Included

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