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Muscle hypertrophy due to scarring of the S1 nerve root
D Heuss1, S Schober, K Eberhardt
1Department of Neurology, Friedrich Alexander University of Erlangen-Nürnberg, Germany. dieter.heuss@neuro.med.uni-erlangen.de
Neurological Research
|August 10, 2000
Abstract:
Segmental muscle enlargement occurs in a variety of neurogenic conditions. We present a patient with calf hypertrophy, likely produced by continuous neuromuscular irritability and compensatory type 1 and type 2 muscle fiber hypertrophy. The underlying lesion of the S1 nerve root was caused by scarring, which could be demonstrated by Gadolinum enhanced, fat saturated magnetic resonance imaging. Thus, the application of this technique is recommended in otherwise etiologically unclear cases of neurogenic muscular lesions in order to detect chronic nerve root pathology.