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A case of diabetic muscle infarction in Japan

Diabetic muscle infarction (DMI) is a rare complication of diabetes mellitus. We report the first recorded case in Japan. A 45‐year‐old Japanese woman presented with severe pain in the left antero‐medial thigh. She had a 14‐year history of Type 2 diabetes mellitus (DM). She had first noticed pain in her left thigh after a walk 2 weeks prior to presentation. The pain worsened progressively. She noticed a firm mass in her left thigh. T2‐weighted magnetic resonance imaging (MRI) demonstrated a high‐intensity signal in the muscle bulk of the anterior component of the left thigh. A needle biopsy of the mass showed necrosis. She was treated with bedrest and an antiplatelet agent. The mass disappeared 8 weeks after admission. DMI is a rare complication of poorly controlled diabetes mellitus. Twenty‐seven cases with DMI have been reported in the English literature but we believe this is the first Japanese case with DMI. Copyright © 1998 John Wiley & Sons, Ltd.