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The role of ultrasound imaging in acute rupture of the Achilles tendon

In clinically suspected acute Achilles tendon rupture, ultrasound is a useful imaging modality which may confirm the diagnosis and distinguish between complete ruptures and partial tears. Ultrasound may help determine whether surgical or conservative treatment is most appropriate, and, where surgery is contemplated, allow optimal surgical planning. Sonographic features most highly correlated with a complete tear include absence of tendon at the injury site, tendon retraction and posterior acoustic shadowing at the tear margins.