Achilles tendon tear

Case contributed by Dr Maulik S Patel

Presentation

Injury 1 year ago.

Ultrasound

The asymptomatic right tendon is intact. The symptomatic left tendon shows complete tear with a gap between two edges measuring more than 30 mm.

X-ray

On the lateral comparison view the asymptomatic right Achilles' tendon shows a homogeneous density and sharp margins. The symptomatic left tendon shows focal thickening and irregular contour due to torn tendon with retracted edge. The dorsal fat pad (Kager's triangle) is not opacified in the absence of fluid due to chronic injury - 1 year back).

Case Discussion

Both radiograph and ultrasound findings are characteristic of Achilles' tendon tear.

If findings are equivocal comparison to the asymptomatic side is recommended. 

Obtaining good quality panoramic view US images requires experience, but this better demonstrates pathology affecting elongated structures such as tendons. 

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Case information

rID: 9759
Published: 21st May 2010
Last edited: 30th Nov 2019
Inclusion in quiz mode: Included

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