Mallet thumb (MRI)

Case contributed by Dr Roberto Schubert


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
Gender: Male

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.

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Case information

rID: 14757
Published: 26th Aug 2011
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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