72-year-old male with inability to flex thumb

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Case History

Evaluate for flexor pollicis rupture at the carpometacarpal joint level.

Technical Factors

Long- and short-axis fat- and water-weighted images were performed.

Case Findings

Flexor pollicis longus rupture with the retracted end identified just under a centimeter distal to the 1st carpometacarpal junction and lying lateral to the thumb or in the webspace region is noted proximally.
Tendinopathic flexor carpi radialis.
Insufficient attenuated or chronically torn medial oblique or beak ligament. No subluxation is noted.
Paucity of carpometacarpal joint arthrosis.
Scant or paucity of scaphomultangular arthrosis with 2mm kissing erosions.

Case Conclusion

Ruptured and retracted flexor pollicis longus position detailed in the body of the report.

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