Entrapped ulnar nerve by flexor carpi ulnaris tendon: case illustration

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CORRESPONDENCE Hélène T. Khuong: CHU de Québec–Université Laval, Québec, QC, Canada. helene-thida.khuong.1@ulaval.ca.

INCLUDE WHEN CITING Published online September 14, 2018; DOI: 10.3171/2018.5.JNS172840.

Disclosures The authors report no conflict of interest.

© AANS, except where prohibited by US copyright law.

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    Intraoperative photograph (A) and illustration (B) of an abnormal recurrent branch of the medial ulnar nerve (a) penetrating the FCU tendon (b) before joining the main trunk (c) and entering Guyon’s canal along with the ulnar artery (d), at the distal forearm level. The FCU tendon was involved proximally to its insertion into the pisiform bone (e). Intraoperative photograph (C) and illustration (D) of the ulnar nerve loop (a) after its release from the FCU tendon (b).

References

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    Papierski P: Ulnar neuropathy at the wrist associated with a recurrent branch through the flexor carpi ulnaris tendon. J Hand Surg Br 21:3473481996

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