Summary
Hydrocephalus in a 19-week gestation fetus was due to irregular destruction of the periphery of brain stem and cerebellum by an unusual abnormality of leptomeninges and leptomeningeal vessels which obstructed cerebrospinal fluid flow in the posterior fossa. The cause is unknown.
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Presented in part as Diagnostic Case 16, Canadian Association of Neuropathologists, Twentieth Annual Meeting, Saskatoon, Sept. 27, 1980
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Norman, M.G., Thurber, L.A. & Woolley, H.E. Abnormal leptomeninges and vessels causing fetal hydrocephalus: Diagnosis of hydrocephalus at 19 weeks gestation by ultrasound. Acta Neuropathol 54, 283–285 (1981). https://doi.org/10.1007/BF00697001
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DOI: https://doi.org/10.1007/BF00697001