Idiopathic muscular infarction in a diabetic patient

Idiopathic or so-called spontaneous muscular infarction is an infrequent complication of diabetes melbitus. Only a few cases have been described . Typically, the infarction presents as localized pain and swelling and a limited active range of motion of the involved extremity. When these symptoms are present in a diabetic patient, the differential diagnosis should include diabetic muscular infarction. As far as we know, all reports of muscular infarction in diabetic patients have involved the quadriceps mechanism in the lower extremity exclusively. The following case report describes infarction of the semimembranosus and biceps femoris muscles in a patient who had diabetes mellitus.