Abstract
A case of atheromatous microembolism to the lower extremities illustrated some typical findings: sudden onset of leg pain, cool legs with normal peripheral pulses, petechiae, livedo reticularis, and elevated, tender nodules which represented muscle necrosis. The dominant clinical picture was consistent with acute polymyositis. Diagnosis of atheromatous microembolism with muscle necrosis was confirmed by muscle biopsy.

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