Ulnar nerve compression by an anomalous muscle following carpal tunnel release: A case report

Timothy D. Santoro, Hani S. Matloub*, Arun K. Gosain

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

We describe the acute development of ulnar nerve compression following carpal tunnel release in a patient with an accessory palmaris longus muscle. Although anomalous muscles in the wrist are relatively common and may produce ulnar nerve compression, this particular occurrence following carpal tunnel release has not been previously described in the literature. We theorize that the compression of the ulnar nerve proximal to Guyon's canal was caused by increased tension along the long axis of the anomalous accessory palmaris longus muscle as a consequence of transverse carpal ligament division. Copyright (C) 2000 by the American Society for Surgery of the Hand.

Original languageEnglish (US)
Pages (from-to)740-744
Number of pages5
JournalJournal of Hand Surgery
Volume25
Issue number4
DOIs
StatePublished - Jan 1 2000

Keywords

  • Anomalous muscle
  • Carpal tunnel
  • Ulnar nerve
  • Ulnar nerve compression

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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