Hemimegalencephaly

Case contributed by Dr Nick Tarasov

Presentation

Seizures

Patient Data

Age: 2.5 weeks
Gender: Female
MRI

The left hemisphere totally enlarged.

The cortex of the enlarged brain is malformed: there is no gray/white matter differentiation, sulci and gyri looks smooth and shallow.

The white matter is also abnormal: T2-hypointense and T1-hyperintense subcortical signals.

Compensatory enlargement of the left ventricle.

Case Discussion

There are typical features of hemimegalencephaly causing intractable seizures since birth.

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Case information

rID: 51523
Case created: 22nd Feb 2017
Last edited: 21st Oct 2017
Inclusion in quiz mode: Included

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