A young woman with a history of systemic lupus erythematosus was readmitted with fever and a generalized eruption; 6 days prior she had been hospitalized for a photo-induced flare of acute cutaneous lupus erythematosus; at readmission, she had a worsening, tender rash with several blisters across her right arm. What is your diagnosis?
An infant presented with a bleeding umbilical mass that had previously been treated as an umbilical pyogenic granuloma with silver nitrate and as a hemangioma with timolol, with minimal improvement. What is your diagnosis?
A man in his 40s presented with facial hair loss, painful swelling in the joints of the hands, and multiple asymptomatic nodules on the upper arms. What is your diagnosis?