Cerebral abscess post cardiac surgery

Case contributed by Dr Ahmed Abd Rabou

Presentation

Confusion and disturbed conscious level after surgical correction of Fallot teratology.

Patient Data

Age: 9 years old
Gender: Male

Left temporal intra axial cystic space occupying lesion surrounded by moderate perifocal edema. It has thick capsule that displays low signal in T2, bright signal in T1 and avidly enhancing post contrast. The cyst content shows diffusion restriction being bright signal in DWI and low signal in ADC.

Diagnosis: left temporal lobe abscess

Case Discussion

The early stage of abscess displays typical diffusion restriction. Its capsule usually displays low signal in T2 WI and enhanced with contrast. Cardiac patients have increased risk to develop cerebral abscess.

MR spectroscopy may be performed in the diagnosis of a cerebral abscess.

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Case information

rID: 27244
Case created: 24th Jan 2014
Last edited: 12th Mar 2016
Tags: brain, abscess
Inclusion in quiz mode: Included

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