Br J Neurosurg. 2006 Jun;20(3):156-9.

Psychosis-like syndrome associated with intermittent intracranial hypertension caused by a large arachnoid cyst of the left temporal lobe.

Vakis AF, Koutentakis DI, Karabetsos DA, Kalostos GN.

Source

Department of Neurosurgery, University of Crete, Medical School, Heraklion University Hospital, Heraklion, Crete, Greece.

Abstract

Lesions on certain brain areas can cause psychiatric signs. Symptomatic arachnoid cysts can produce a variety of symptoms like headache, seizures, increased ICP, and rarely psychiatric disorders. We report a case of a young woman with a left temporal lobe arachnoid cyst, presented with headache and an atypical psychosis. A 72-h epidural ICP recording revealed incidental elevation of ICP. After a permanent shunt was placed, patient's symptoms improved substantially, and antipsychotic medication was significantly reduced.

PMID:: 16801049; [PubMed - indexed for MEDLINE]

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