Benign enlargement of subarachnoid spaces (BESS) in infancy

Case contributed by Dr Abdel-Rahman Abdel-Halim


increased head circumference

Patient Data

Age: 4 months
Gender: Male

Dilated subarachnoid spaces especially bifrontal and anterior interhemispheric CSF spaces (>1 cm)

Normal configuration of the ventricular system.

Case Discussion

BESS is a condition characterized by the CT findings of dilatation of the subarachnoid spaces, normal ventricular size, and prominence of the basilar cisterns.

Most cases were found in children referred for the evaluation of abnormally increasing head circumference measurements.

The condition resolves spontaneously by the age of 2 years.

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Case information

rID: 29158
Published: 7th May 2014
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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