Diabetic foot is one of the most common complications of diabetic mellitus (DM). This DM patient was admitted to our hospital presented with a 2-month history of plantar lesion. Shortly afterward, the patient appeared hemoptysis, respiratory failure, and multiple purpuric papules on his limbs. Biopsy of left plantar lesions demonstrated angiosarcoma. Therefore, it is suggested that tissue biopsy should be taken as early as possible for DM patients with prolonged nonhealing wounds.
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