Presentation
Pain and loss of extension in the IP joint of the thumb after collision with an opponent in a handball game. No specific signs on radiographs of the thumb.
Patient Data
Age: 30 years
Gender: Male
Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
From the case:
Mallet thumb



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Info

Signal increase and discontinuity of the distal slip of the extensor pollicis longus (EPL) tendon near its insertion at the base of the 1st distal phalanx.
Case Discussion
These lesions are normally treated conservatively. MRI can be used to localize the ends of the ruptured tendon.