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MR imaging of ulnar nerve entrapment secondary to an anomalous wrist muscle
M J Ruocco1, J J Walsh, J P Jackson
1Department of Radiology, Moncrief Army Community Hospital, Columbia, SC 29207, USA.
Skeletal Radiology
|May 21, 1998
Abstract:
MR imaging of an anomalous hypothenar adductor muscle causing isolated deep ulnar nerve branch compression and producing a purely motor neuropathy is presented. The muscle appears to represent a type 1 variant of the intrinsic anomalous hypothenar adductor muscle.