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Table 2 Relation between cerebral malformations and hydrocephalus

From: Pathogenesis of cerebral malformations in human fetuses with meningomyelocele

Case GA ED V hc > 2 HC Chiari II HemoP/Gliosis Morphologic alteration aqueduct
1 16 + - - - -
2 21 + - - - + + f
3 21 - - - - +
4 22 + + - - + + s
5 34 - - - - -
6 37 + + + + + + f
7 39 + - - - IV + f
8 40 + + + + + + f; s
  1. Legends: GA = gestational age in weeks, ED = signs of ependymal denudation at the aqueduct or cranial border of the aqueduct, V = ventriculomegaly, hc = head circumference, HC = hydrocephalus, Chiari II = Chiari II malformation, HemoP = hemosiderophagocytosis, + = present, - = absent, IV = Chiari IV malformation (absence of the cerebellum), ¶ = serial sections at the aqueduct incomplete, f = forking, s = slit like.