Possible small arachnoid cyst

Case contributed by Dr Saleh Saleh
CT

An expansionary change with some high density, lying between the skull and brain, possibly eroding the bone.

Case Discussion

The change shows no contrast enhancement after CECT.

What is the most likely diagnosis?

Arachnoidal cyst. The initial high density is due to partial voluming of the skull.

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Case information

rID: 15350
Case created: 10th Oct 2011
Last edited: 28th Sep 2015
Inclusion in quiz mode: Excluded

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