AI-powered jersey finger review for flexor digitorum profundus avulsion, tendon retraction, avulsion fragment location, and DIP flexion injury findings on MRI or ultrasound.
Jersey finger is an avulsion of the flexor digitorum profundus tendon, the tendon that bends the fingertip. It is the opposite tendon-side problem from mallet finger and can require time-sensitive hand surgery assessment because the tendon may retract into the palm. X-ray looks for a bony avulsion fragment, while MRI or ultrasound can map tendon retraction when no fragment is seen.
The flexor tendon can retract and scar, making later repair harder. Imaging helps identify whether a bone fragment is attached and how far the tendon has retracted, but urgent clinical evaluation is important when the fingertip cannot actively bend.
Yes. If the tendon tears without pulling off a bone fragment, the X-ray may look normal. Ultrasound or MRI can show the flexor tendon gap and retraction, especially when the clinical exam strongly suggests loss of FDP function.
A patient-friendly guide to hand and finger X-rays, including alignment, phalanx fractures, metacarpal fractures, arthritis, and avulsion fragments.
Compare finger X-ray, MRI, and ultrasound for fractures, tendon injuries, pulley tears, ligament injuries, and arthritis.
Compare mallet finger and jersey finger injuries, including extensor vs flexor tendon anatomy, X-ray findings, MRI clues, and treatment urgency.
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