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Flexor Carpi Radialis Tendon Rupture Associated With a Distal Radius Fracture: A Case Report Highlighting
Shun Yasukochi1, Kimitaka Nakamura1, Takahiro Hamada1
1Department of Orthopaedic Surgery, Kyushu Central Hospital of the Mutual Aid Association of Public School Teachers, Fukuoka, JPN.
Abstract:
Flexor carpi radialis (FCR) tendon rupture associated with a distal radius fracture is a rare entity. We report a case of a 48-year-old man who sustained a Colles-type distal radius fracture complicated by an FCR tendon rupture at the time of injury. The rupture was first identified intraoperatively during open reduction and internal fixation. Radiographs demonstrated a prominent volar radial third fragment along the anatomical course of the FCR tendon. Retrospective three-dimensional (3D) reconstruction of preoperative CT images using soft-tissue settings clearly revealed discontinuity of the tendon. This case suggests that clinicians should maintain a high index of suspicion for FCR injury whenever a volarly protruding fragment is observed. Furthermore, 3D-CT reconstruction focusing on the tendon course provides a practical and accessible tool that may facilitate preoperative recognition of tendon discontinuity and improve surgical preparedness.
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