|Signs and Symptoms||Approximate number of patients (when available)|
|Decreased nerve conduction velocity||90%|
|Abnormality of the immune system||-|
|Autosomal dominant inheritance||-|
|Decreased number of peripheral myelinated nerve fibers||-|
|Distal muscle weakness||-|
|Distal sensory impairment||-|
|Hypertrophic nerve changes||-|
|Onion bulb formation||-|
|Segmental peripheral demyelination/remyelination||-|
|Upper limb postural tremor||-|
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Is there a DNA test for Roussy-Levy syndrome? I had a CMT DNA test several years ago that came up negative. Is this the same test for Roussy Levy syndrome? Also will trichloroethylene cause this type of peripheral neuropathy? See answer