PMID: 9424651Jul 1, 1997Paper

Comparison of ultrasonography and magnetic resonance in the postoperative monitoring of complete subcutaneous rupture of the Achilles tendon

La Radiologia medica
C SeddioC Stanga

Abstract

The diagnostic accuracy of US and MRI in the subcutaneous rupture of the Achilles tendon has already been assessed. We used both techniques to study the Achilles tendon during the postoperative repair process after surgery according to Bosworth. The results were compared and discussed in relation to clinical recovery. Ten patients with complete subcutaneous rupture of the Achilles tendon were followed-up with physical examination and submitted to US and MR studies 40, 60 and 90 days postoperatively. Eighty patients recovered in the expected time, while 2 took longer. At 90 days, the US findings in 7 patients and the MR findings in 8 patients who recovered in the expected time could be considered normal. US poorly distinguished the tendon from the reinforcement flap because of gross tendon echostructure. The tendon and the reinforcement flap were not distinguishable at MRI because they were uniformly hypointense. Clinical recovery appeared as a hyperechoic structure and a gross fibrillar pattern at US and as a hypointense structure with some small hyperintense areas at MRI. US and MRI were in disagreement in one patient with a postoperative algodystrophic syndrome, where US showed some alterations which were considered false pos...Continue Reading

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