These asymptomatic plaques developed on the legs of a 59-year-old woman with diabetes mellitus and pulmonary sarcoidosis. Biopsy showed a granulomatous infiltrate of epithelioid histiocytes and multinucleated giant cells surrounded by lymphocytes “layered” throughout the dermis. What’s your diagnosis?
Diabetes Image IQ
A 50-year-old African American woman with type 2 diabetes mellitus and hypertension was admitted with bilateral knee and thigh pain and swelling of both knees. MRI showed extensive edema in the distal thigh and gastrocnemius muscles and in subcutaneous fat. Fluid was seen at the short head of the left biceps femoris. The findings were consistent with diabetic myonecrosis. Which of the following statements about this condition is/are true?
This patient with type 1 diabetes noted a painful erosion at the site of tattoo she had gotten several days earlier. What's the most likely cause?