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There is a discontinuity of mid part of the anterior talofibular ligament. The calcaneofibular ligament is thick and hypoechoic without loss of continuity.
There is an extra-structure on the medial side of the ankle showing muscle echopattern. It is posterior to the neurovascular bundle, superficial to flexure hallucis longus tendon and anterior to the medial edge of the Achilles tendon. It passes deep to the flexure retinaculum. The medial ankle tendons are normal. The nerve in the tarsal tunnel shows normal echopattern without hypoechogenesity.