Hemiplegic Amyotrophy
To the Editor.—
I have read with considerable interest the excellent article "Hemiplegic Amyotrophy" by Chokroverty et al (Arch Neurol 33:104, 1976).
In their discussion of the pathogenesis of hemiplegic amyotrophy, the authors refer to the article by Moskowitz and Porter1 entitled "Peripheral Nerve Lesions in the Upper Extremity in Hemiplegic Patients." Chokroverty et al state:
Moskowitz and Porter19 suggested that localized muscle wasting and abnormal electromyographic findings in hemiplegic patients may be caused by compression of peripheral nerve or traction of nerve roots. Diffuse muscle wasting in hemiplegia rather than focal atrophy in the distribution of nerves or roots speaks against this.
The point of our article was just that-namely, "focal atrophy with segmental clinical findings atypical of hemiplegia"—hence the title.
As stated by the editor of the New England Journal of Medicine2 in an editorial referring to our article:
Usually overshadowed by the
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