Dermatology

Clinical Challenge: Large Growths on Head and Arm

A 38-year-old man is referred for evaluation of 1.5cm tender, nonhealing lesion located on the back of his head. The lesion was misdiagnosed in the emergency department (ED) as an abscess; when lanced, the ED clinicians discovered a solid mass. Mupirocin 2% topical ointment and cephalexin 500mg twice daily were prescribed and an emergent referral…