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[Regression of severe periarticular calcifications during treatment with bisphosphonate in a dialysis patient].

Treatment with etidronate, 400 mg daily, induced total regression of severe, disabling periarticular calcifications during a treatment period of 42 months in a patient with chronic kidney disease on dialysis treatment. All symptoms disappeared. No adverse effects were recorded during the treatment. Thus, treatment with etidronate can induce regression of the periarticular calcifications which comprise a complication to chronic renal failure.