PMC4891565_01
T1-weighted MRI obtained 18 days after onset of symptoms demonstrates small foci of increased signal in the medial-posterior margins of both tendons (R > L), suggestive of small partial width tears. [Powerpoint Slide]
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Short tau inversion recovery (STIR) images obtained 18 days after onset of symptoms demonstrates moderate fusiform dilatation of both Achilles tendons, most pronounced 6 cm above their calcaneal insertions. A focal area of increased signal is noted in the right Achilles tendon. [Powerpoint Slide]
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Short tau inversion recovery (STIR) images (Figure 2) demonstrated moderate fusiform dilatation of both Achilles tendons, most pronounced 6 cm above their calcaneal insertions.
PMC4891565_02
Transverse sonographic image of the right distal Achilles tendon, showing diffuse thickening (cursors). [Powerpoint Slide]
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Ultrasound performed six weeks after onset of symptoms (Figure 3) demonstrated diffuse thickening of the Achilles tendons bilaterally, without evidence of rupture.
Sagittal sonographic view of right distal Achilles tendon, showing focal thickening (small arrows) slightly proximal to the calcaneal insertion (large arrow). [Powerpoint Slide]
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In addition, focal thickening was noted slightly proximal to both calcaneal insertions (Figure 4).