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Human neonatal hydrocephalus. An electron microscopic study of the periventricular tissue
DEL BIGIO MR ; BRUNI JE ; FEWER HD
J NEUROSURG , 1985, vol. 63, n° 1, p. 56-63 Doc n°: 24882 Localisation : Documentation IRR Descripteurs : AJ24 - HYDROCEPHALIE An infant of 43 weeks gestational age with severe congenital hydrocephalus was operated on for removal of a subependymal astrocytoma in the region of the foramen of Monro. A biopsy of periventricular tissue was taken from the lateral ventricle for examination by scanning and transmission electron microscopy. The ependyma was largely denuded, with glial cell processes forming most of the ventricular lining. Many of the attenuated ependymal cells, however, had intact junctional complexes at areas of contact with other ependymal cells. Club-shaped unipolar cells, believed to be a previously undescribed form of immature ependymal cells, were found in the ventricular lining. Cerebrospinal fluid edema was present in the neuropil up to 60 mum from the ventricular lumen, but there was no obvious axonal pathology in the tissues examined. Langue : ANGLAIS Identifiant basis : 1985102080 |
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