title: A 79-year-old man presented with a 1.2-cm nodule on the left arm. The best diagnosis is: phaeohyphomycosis.
authors.affiliation: Department of Dermatology, Geisinger Medical Center, Danville, Pennsylvania 17822, USA.
authors.forename: Tammie
authors.initials: T
authors.lastname: Ferringer
mesh_terms: D000368:Aged; D001132:Arm; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D060446:Phaeohyphomycosis / Q000175:diagnosis* / Q000473:pathology