Semilobar holoprosencephaly

Case contributed by Prashant Gupta
Diagnosis certain

Presentation

Seizures with developmental delay.

Patient Data

Age: 6 months
Gender: Male
mri

There is fusion of the anteroinferior frontal lobes across midline, the ventricles are fused as well. septum pellucidum is not formed.

Superiorly the flax and interhemispheric fissure are seen. Partial corpus callosal agenesis is seen as well.

Case Discussion

Note that the degree of fusion of frontal lobes is more than would be expected in lobar variety, hence making this part of the semilobar spectrum of holoprosencephaly

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