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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
From the case: Tibialis anterior tendon rupture
Modality: MRI

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T1

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.

References:

  1. 1. Lee MH, Chung CB, Cho JH et-al. Tibialis anterior tendon and extensor retinaculum: imaging in cadavers and patients with tendon tear. AJR Am J Roentgenol. 2006;187 (2): W161-8. doi:10.2214/AJR.05.0073 - Pubmed citation

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