Hypertrophic ancenous epitrochlearis muscle as a cause of ulnar neuropathy at elbow

We report herein a 35-year-old man who suffered from pain at his left elbow and numbness in his left hand. Electromyographic studies demonstrated a localized nerve conduction block in the left elbow region. Ultrasonographic evaluation revealed enlargement of the ulnar nerve at the level of the media...

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Bibliographic Details
Published in:Journal of back and musculoskeletal rehabilitation 2013-01, Vol.26 (2), p.155-157
Main Authors: Yalcin, Elif, Demir, Sibel Ozbudak, Dizdar, Dilek, Buyukvural, Sıdıka, Akyuz, Mufit
Format: Article
Language:English
Subjects:
Adult
Cubital Tunnel Syndrome - diagnostic imaging
Cubital Tunnel Syndrome - etiology
Electromyography
Humans
Hypertrophy
Male
Muscle, Skeletal - diagnostic imaging
Ulnar Nerve Compression Syndromes - diagnostic imaging
Ulnar Nerve Compression Syndromes - etiology
Ultrasonography
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Description
Summary:We report herein a 35-year-old man who suffered from pain at his left elbow and numbness in his left hand. Electromyographic studies demonstrated a localized nerve conduction block in the left elbow region. Ultrasonographic evaluation revealed enlargement of the ulnar nerve at the level of the medial epicondyle as well as bilateral anconeus epitrochlearis muscles, one of which was hypertrophic, causing the ulnar neuropathy at the symptomatic site. We emphasize with this case report the complementary role of ultrasound in peripheral nerve pathologies, as it confirmed the entrapment and determined the underlying cause.
ISSN:1053-8127
1878-6324
DOI:10.3233/BMR-2012-00360