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Washington University Experience | DEVELOPMENTAL MALFORMATIONS | Aqueductal Stenosis, Atresia & Septa | 12D1 Aqueductal stenosis (Case 12) N6 H&E WM copy
The whole mount of the midbrain shows marked aqueductal stenosis (arrow). The shaggy gross appearance on the surface of the midbrain reflects leptomeningeal glioneuronal heterotopia (arrowhead)
