| hydranencephaly | <radiology> Probably secondary to ICA occlusion in utero; may be developmental, normal or enlarged head, with or without neurologically normal, CT findings: small areas of cortex, usually occipital, basal ganglia and cerebellum normal, ventricles have no roof, may resemble severe hydrocephalus, angio most likely to be sparse, atretic vessels, vs. Stretched vessels in hydrocephalus (12 Dec 1998) |
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