Split tear of the peroneus longus tendon and peroneus brevis tendon tear
Diagnosis almost certain
Presentation
Chronic ankle pain and lateral ankle instability
Patient Data
Age: 25 years
Gender: Male
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- The peroneus longus tendon shows gross thickening with increased signal intensity as well as splitting just distal to the lateral malleolus with tenosynovitis.
- The peroneus brevis shows thickening with ill-definition and increased signal intensity with near complete disruption of its fibers.
- Associated mild subcutaneous edema of the lateral aspect of the ankle.
- Intact flexor and extensor tendons around the ankle with no evidence of tenosynovitis.
- Intact tendo-Achilles.
- Intact collateral ligament.
- No marrow signal abnormality.
- No significant joint effusion.
Case Discussion
Split tear of the peroneus longus tendon with tenosynovitis and tendinitis as well as peroneus brevis tear.
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