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Washington University Experience | DEVELOPMENTAL MALFORMATIONS | Aqueductal Stenosis, Atresia & Septa | 12C1 Aqueductal stenosis (Case 12) _3
The postmortem collapse of the ventricles has resulted in the striking appearance of many small gyri, a pattern which is sometimes called pseudo-polymicrogyria which reflects emergence of secondary gyri. The microscopic appearance is not that of true polymicrogyria.