Muscle Computed Tomography Features of Motor Neuron Disease in Late-Onset GM2 Gangliosidosis

Jonathan Y. Streifler, Herzlia Hadar, Natan Gadoth*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Late-onset GM, gangliosidosis, a rare inherited neuronal storage disease, is characterized by a vanety of clinical manifestations. The common clinical picture comprises neuromuscular, spinocerebellar, extrapyramidal, cognitive, and psychiatric abnormalities. Details of the extent of muscle involvement have never been reported. Eight patients with this syndrome were evaluated for the existence and extent of motor neuron disease using routine electrodiagnosis and systematic evaluation of skeletal musculature by computed tomography. Motor neuron disease was present in each and every patient regardless of the clmical manifestations and to a degree beyond that suspected on neurological examination. Muscle imaging disclosed a diffuse wasting and fatty replacement of muscles with predilection of pelvic and thigh muscles, and especially the quadriceps group. It seems that progressive motor disability in this syndrome IS mainly due to motor neuron disease, as manifested by muscle atrophy, which can be easily demonstrated by muscle computed tomography.

Original languageEnglish
Pages (from-to)4-8
Number of pages5
JournalJournal of Neuroimaging
Volume5
Issue number1
DOIs
StatePublished - 1995

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