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Washington University Experience | DEVELOPMENTAL MALFORMATIONS | Polymicrogyria | 2A3 Polymicrogyria (Case 2, 2 yo) C
2A3,4 Coronal sections of the frontal lobe show well developed polymicrogyria of various thicknesses circumferentially, with a small ventral area of normal cortex merging with polymicrogyric cortex (arrow, 2A4).