Corpus callosum agenesis with interhemispheric cyst

Case contributed by Avni K P Skandhan

Presentation

Developmental delay

Patient Data

Age: 10 months
Gender: Female

Thinned out genu and mid body of corpus callosum with absence of rest of the posterior body and splenium, dilated ventricles with squared off frontal horns and mild colpocephaly suggestive of partial corpus callosum agenesis. There is a large right parasagittal interhemispheric cyst.

There is asymmetrical enlargement of the lateral ventricles and bilateral frontal polymicrogyria.

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