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?
This man was born with digital deformities. X-rays show absent middle and distal 2nd, 3rd, and 4th phalanges with tapering proximal phalanges and tapering of the distal 5th phalanx and distal 1st phalanx. No TBX5 gene mutation. What’s your diagnosis?
A 5-year-old boy had pain and weakness in his legs and had trouble climbing stairs. He had a dramatic rise in CPK followed by erythematous papules on the hands, as shown, and a rash around the eyelids. Which diagnosis is most likely?