PMID: 6110417Sep 1, 1980Paper

Metachromatic leukodystrophy: report of 2 cases with histochemistry of nerves and muscles

Arquivos de neuro-psiquiatria
L C WerneckI Bruck

Abstract

Two cases of metachromatic leukodystrophy, of the late infantile form are reported. The patients were a girl and a boy of 2 years 10 months old, with initial normal development, but by the age of 18 months began with gait disturbances, difficulty to speak and developed progressive mental deterioration, with signs of long tract involvement, absence of deep tendon reflexes, spasticity, blindness, muscle atrophy and finished in a vegetative state. The diagnosis was made electromyography (signs of denervation), motor nerve conduction velocity (very decreased), assay of arylsulfatase A in the urine (absence of activity), sural nerve biopsy (demyelination and presence of metachromatic granules by the cresyl-violet and toluidine blue) and muscle biopsy (atrophy of type I fibers and presence of metachromatic material in the intramuscular nerve fibers). A quick revision about diagnostic methods, transmission, pathogenesis and variant forms is made.

References

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Citations

Sep 1, 1985·Arquivos de neuro-psiquiatria·E O WittigL R Mello
Nov 1, 1994·Muscle & Nerve·S ScarberryB Katirji
Mar 1, 1988·Arquivos de neuro-psiquiatria·L C Werneck

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