Case contributed by Ammar Haouimi
Diagnosis certain



Patient Data

Age: 9 years
Gender: Male

Marked and diffuse thickening of the cerebral cortex bilaterally with a few poorly formed gyri and a smooth outer surface of both cerebral hemispheres giving figure-8 appearance. Dilated ventricular system with mild enlargement of the cerebellar sulci.

Case Discussion

MRI features of a classic lissencephaly type I.

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