Figure 9From: Polymicrogyria: pathology, fetal origins and mechanisms CMV; fetus 22 weeks. a: The developing cortical plate is an undulating band beneath thickened leptomeninges (L). A mass of incompletely migrated cells merges into the irregular deep cortical border (arrow) (H&E). b: Reticulin stain shows dilated surface vessels and multiple layers of reticulin overlying an irregularly festooned neuronal band.Back to article page