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Tibialis anterior tendon rupture

Case contributed by Dr Roberto Schubert

Presentation:

An opponent stepped on the patient's dorsiflexed foot in a soccer game. Weakened and painful dorsiflexion of the foot. Palpable mass at the anterior ankle joint.

Patient Data:

Age: 33
Gender: Male
Race: Caucasian
Modality: MRI

Complete rupture of the anterior tibialis tendon with retraction of the proximal tendon end.

Case Discussion:

In complete ruptures, a mass may be seen or felt, which corresponds to the proximal tendon end, that is typically retracted to the level of the oblique superomedial limb of the inferior extensor retinaculum1.

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