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External Hydrocephalus in a Set of TripletsDepartment of Pediatrics Naval Hospital Camp Pendleton, CA
Department of Pediatrics Pediatric Neurology Division Naval Hospital San Diego, California External hydrocephalus appears to be a benign form of infantile macrocephaly which typically resolves in the second year of life. Macrocephaly may persist into adulthood and is closely associated with benign familial macrocephaly.1 The CT findings include a prominent and widened interhemispheric fissure, enlargement of the subarachnoid space over the frontal convexities, and prominent basal cisternae.2 Although obstruction of the arachnoid villae has been proposed, the etiology of the accumulation of this extra-axial fluid is unknown.3 The following case study of dizygotic triplets with idiopathic external hydrocephalus highlights the hereditary basis of the condition.
Clinical Pediatrics, Vol. 33, No. 4,
255-256 (1994) |
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