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. 2021 Jun 6;9:104. doi: 10.1186/s40478-021-01207-5

Fig. 2.

Fig. 2

Main neuropathological hallmarks of hydrocephalus linked to CCDC88C pathogenic variants. a Accumulation of fluid (asterisk) under the choroid epithelium causing collapse of the villus mesenchymatous core which contains collapsed vessels (arrow) [H&E, OM × 200]. b Compared with the normal choroid villus morphology in an age- matched control [H&E, OM × 200]. c Without disruption of the basal lamina as evidenced by Jones’ silver impregnation method [H&E, OM × 200]. d Covered by epithelial cells still containing glycogen [PAS, OM × 200]. H&E: Hematoxylin and eosin stain; OM: original magnification; PAS: periodic Schiff staining