Optic-chiasmatic pilocytic astrocytoma

Case contributed by Dr Chris O'Donnell

Presentation

Known brain tumour. Now increasing facial weakness.

Patient Data

Age: 6 months
Gender: Male
Modality: CT

Very large mixed density mass with peripheral calcification in the suprasellar cistern eroding the dorsum sellae, compressing the hypothalamus, midbrain and third ventricle, obstructing the foramina of Monro (drained on the right). Associated large middle cranial fossae arachnoid cysts.

Case Discussion

Appearances are typical for this condition but there is a differential diagnosis of craniopharyngioma

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Case Information

rID: 30263
Case created: 30th Jul 2014
Last edited: 20th Nov 2015
Inclusion in quiz mode: Included

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