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Acta Neuropathol. 1979 Nov;48(2):139-43.

Morphological observations in the nervous system of prenatal mucopolysaccharidosis II (M. Hunter).


Light and electron microscopic finding in the nervous system of a 23-week-old fetus are reported, in which MPS II was diagnosed prenatally. The degrees of myelination and neuronal differentiation were similar as in a normal fetus of the same age. A storage of mucopolysaccharides in typical vacuolar inclusion bodies was present throughout the peripheral and central nervous system, mainly in cells of mesenchymal origin. "Zebra" bodies and granulo-membranous bodies, which are thought to represent secondard ganglioside accumulation were only found in the well developed neurons of the spinal cord and spinal ganglia, but not in the poorly developed neurons of the cerebellar and cerebral cortex. Mucopolysaccharide storage in endothelial cells of cerebral bood vessels precedes the appearance of lipid storgae in cerebral neurons.

[Indexed for MEDLINE]

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