Neglected Achilles tendon rupture with central insertional plantaris tendon hypertrophy: two cases.

A neglected Achilles tendon rupture is often characterized by muscle weakness and an overlengthened repair by scar tissue. Reconstructive surgery is usually performed taking into account the patient's required level of function. Two surgical cases of neglected Achilles tendon rupture are presented in this article. In both instances it was expected that central fibrosis, possibly after neglected tendon rupture, would be found. However, after longitudinal opening of the tendons, a thickened plantaris tendon was evident at the insertion on the calcaneus in both cases. This hypertrophic tendon occupied most of the diameter of the Achilles tendon. Due to partial or complete rupture of the Achilles tendon, there was notable weakening and tendon transfer-augmentation was performed. A thickened plantaris tendon as a reaction to a neglected rupture of the Achilles tendon is a rare presentation. It can be detected preoperatively by MRI and subsequently preoperative planning can be optimized.

Citation

Ronald Boer, Bart A Swierstra, Cees C P M Verheyen. Neglected Achilles tendon rupture with central insertional plantaris tendon hypertrophy: two cases. Strategies in trauma and limb reconstruction. 2009 Apr;4(1):41-3

PMID: 19277842

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