Cavum veli interpositi

Case contributed by Dr Matthew Lukies

Presentation

First episode psychosis. CT brain to exclude organic causes.

Patient Data

Age: 25
Gender: Male
CT

Case Discussion

Cavum veli interpositi is an anatomical variant typically found incidentally and more commonly in children. It is a cisternal CSF-containing space formed in the velum interpositum, located between the lateral ventricles, inferior to the fornices and superior to the third ventricle. While cavum septum pellucidum has been associated with neuropsychiatric disorders, cavum veli interpositi has not .1,2

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Case information

rID: 45696
Published: 10th Jun 2016
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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