J Korean Soc Radiol.  2021 Nov;82(6):1600-1605. 10.3348/jksr.2020.0151.

A Fibroma of Tendon Sheath Causing Carpal Tunnel Syndrome: A Case Report of an Atypical Clinical Presentation

Affiliations
  • 1Departments of Radiology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea
  • 2Departments of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea
  • 3Departments of Pathology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea

Abstract

Fibroma of the tendon sheath is a benign slow-growing fibrous tumor. Although rare, cases occurring in the upper extremities usually involve the fingers. It appears as a well-defined, roundor oval-shaped mass originating from the flexor tendon. Abundant fibrous stroma makes fibromas appear as a low intensity mass in all MRI sequences. Most of the fibromas manifest as painless soft tissue masses. Herein, we report a case of fibroma of the tendon sheath with an unusual clinical presentation, triggering carpal tunnel syndrome during wrist movement.

Keyword

Fibroma; Soft Tissue Neoplasms; Tendons; Carpal Tunnel Syndrome
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