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Patellar tendon laxity in systemic lupus erythematosus.

Tendon rupture in patients with systemic lupus erythematosus (SLE) is a rare complication that appears to result from high doses of steroids over long periods.1 There are reports of patellar ruptures in patients with SLE. Reported here is the first case in the literature of patellar tendon laxity in a patient known to have SLE, which was treated surgically before it could rupture. Also described is the surgical technique used to treat this rare complication.