Abstract

Based on a clinical, pathologic, and genetic study of 14 families, at least three types of familial motor neuron disease can be distinguished, all apparently of autosomal dominant transmission. The first is characterized by rapid, progressive loss of motor function with predominantly lower motor neuron manifestations and a course lasting less than 5 years. Pathologic changes are limited to the anterior horn cells and pyramidal tracts. The second type is clinically identical to the first, but at autopsy additional changes are found in the posterior columns, Clarke's column, and spinocerebellar tracts. The third type is characterized by a much longer survival usually beyond 10 and after more than 20 years in affected family members but is otherwise similar to the second type.

Keywords

Motor neuronDiseaseNeuroscienceMedicinePhysical medicine and rehabilitationPsychologyPathology

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Year
1976
Type
article
Volume
26
Issue
5
Pages
460-460
Citations
98
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William A. Horton, Roswell Eldridge, Jacob A. Brody (1976). Familial motor neuron disease. Neurology , 26 (5) , 460-460. https://doi.org/10.1212/wnl.26.5.460

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DOI
10.1212/wnl.26.5.460