Accessory flexor carpi ulnaris: case report and review of the literature

Most of the accessory muscles of the forearm described in the radiology literature are located either in the radial aspect of the forearm or towards the hypothenar eminence. We present an unusual case of an ulnar-sided distal forearm accessory flexor carpi ulnaris muscle presenting as a “pseudotumou...

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Bibliographic Details
Published in:BJR case reports 2020-09, Vol.6 (3), p.20200010
Main Authors: Pressney, Ian, Upadhyay, Bhavin, Dewlett, Sherine, Khoo, Michael, Fotiadou, Anastasia, Saifuddin, Asif
Format: Article
Language:English
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Case Report
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Summary:Most of the accessory muscles of the forearm described in the radiology literature are located either in the radial aspect of the forearm or towards the hypothenar eminence. We present an unusual case of an ulnar-sided distal forearm accessory flexor carpi ulnaris muscle presenting as a “pseudotumour“ demonstrated with both ultrasound and MRI, rarely reported in the current surgical and anatomical literature. Given the location and relation to the ulnar nerve towards Guyon’s canal, the accessory muscle may also predispose to distal ulnar nerve entrapment.
ISSN:2055-7159
2055-7159
DOI:10.1259/bjrcr.20200010