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Compression of the ulnar nerve in Guyon's canal by pseudotumoral calcinosis in systemic scleroderma.

Abstract
We report one case of ulnar nerve compression in Guyon's canal due to calcium deposits in a 50-year-old woman with long standing systemic scleroderma. To our knowledge, this is the second known case. The symptoms consisted of a motor and partial sensory disturbance. Calcification of the piso-triquetral joint was prolonging into Guyon's canal, lifting its contents, and into the subcutaneous tissue of the ulnar border of the wrist. Excision of calcium deposits and of the pisiform in combination with external neurolysis of the ulnar nerve resulted in complete relief of symptoms.
AuthorsM Chammas, G Meyer zu Reckendorf, Y Allieu
JournalJournal of hand surgery (Edinburgh, Scotland) (J Hand Surg Br) Vol. 20 Issue 6 Pg. 794-6 (Dec 1995) ISSN: 0266-7681 [Print] Scotland
PMID8770743 (Publication Type: Case Reports, Journal Article)
Topics
  • Calcinosis (complications)
  • Carpal Bones (pathology, surgery)
  • Female
  • Humans
  • Joint Diseases (complications, diagnosis, surgery)
  • Middle Aged
  • Range of Motion, Articular
  • Scleroderma, Systemic (complications)
  • Tomography, X-Ray Computed
  • Ulnar Nerve Compression Syndromes (diagnosis, etiology, surgery)
  • Wrist Joint (pathology, physiopathology, surgery)

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