Partial-thickness tear of the third extensor digitorum tendon

Case contributed by Bahman Rasuli
Diagnosis almost certain

Presentation

Left-hand middle finger pain after playing volleyball.

Patient Data

Age: 35 years
Gender: Male

Abnormal intrasubstance increased signal and fiber discontinuity is present along the course of the third extensor digitorum tendon central fibers at the mid-diaphyseal level of middle finger proximal phalanx. There are also associated edematous changes of the soft tissue around the tendon.

Case Discussion

The patient referred to us with the history of left-hand middle finger pain and immobility after playing volleyball from 6 hours ago. After the initial assessment, hand MRI was done and revealed an acute partial thickness tear of the third extensor digitorum tendon. 

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