Supernumerary Fascicle of Abductor digiti minimi Muscle and Compression of Ulnar Nerve and Ulnar Artery: A Case Report

The supernumerary fascicles of abductor digiti minimi muscle have been implicated in vascular and nerve compression. During routine dissection of an old male cadaver we observed an anomalous muscle was found to take it's origin from the antebrachial fascia and flexor retinaculum, traversed ulna...

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Bibliographic Details
Published inInternational journal of morphology Vol. 25; no. 4; pp. 763 - 765
Main Authors Thejodhar, P, Sampath, K. Madhyastha, Bhagath, Kumar, Potu, Sreedhar, V, Binod, K. T, Chakravarthy, M, Ramana, V, Satish, N
Format Journal Article
LanguageEnglish
Portuguese
Published Sociedad Chilena de Anatomía 01.12.2007
Subjects
ANATOMY & MORPHOLOGY
Músculo abductor del dedo mínimo
Ulnar nerve
Supernumerary fascicle
Nervio ulnar
Guyon's canal
Fascículo supernumerario
Canal ulnar
Ulnar artery
Abductor digiti minimi
Arteria ulnar
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Summary:The supernumerary fascicles of abductor digiti minimi muscle have been implicated in vascular and nerve compression. During routine dissection of an old male cadaver we observed an anomalous muscle was found to take it's origin from the antebrachial fascia and flexor retinaculum, traversed ulnar canal (Guyon's) superficial to ulnar vessels and nerves to reach the proximal part of abductor digiti minimi. The anomaly is one of a kind. Its course through Guyon's canal could be a cause for Guyon's canal syndrome. It was innervated by the ulnar nerve
ISSN:0717-9502
0717-9502
DOI:10.4067/S0717-95022007000400014