title: A man with a large nodule on his lower leg.
authors.affiliation: Sami Kameel Saikaly is a student in the University of Central Florida's College of Medicine. Amor Khachemoune is on the dermatology faculty at SUNY Downstate and practices at the Veterans Affairs Medical Center, both in Brooklyn, N.Y. The authors have disclosed no potential conflicts of interest, financial or otherwise.
authors.forename: Sami Kameel
authors.initials: SK
authors.lastname: Saikaly
authors.forename: Amor
authors.initials: A
authors.lastname: Khachemoune
mesh_terms: D018223:Dermatofibrosarcoma / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004814:Epidermal Cyst / Q000175:diagnosis*; D018219:Histiocytoma, Benign Fibrous / Q000175:diagnosis*; D006801:Humans; D007866:Leg; D008297:Male; D018328:Melanoma, Amelanotic / Q000175:diagnosis*; D008875:Middle Aged; D012878:Skin Neoplasms / Q000175:diagnosis*