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Sinus Tarsi Syndrome
- A painful syndrome of the ankle normally due to an inversion injury. Results in pain along the lateral side of the ankle.
- Often misdiagnosed as an ankle sprain.
- Will have pain localized to the sinus tarsi (inferior and anterior to the anterior border of the lateral malleolus.
- Can be diagnosed by injecting lidocaine into the sinus tarsi, which should completely relieve the pain.
- Treatment consists of
- NSAIDs
- Ankle immobilization
- Physical therapy
- Oral or injected steroids in resistant cases