title: Sessile pink plaque on the lower back.
authors.affiliation: Harvard Vanguard Medical Associates, Boston, Massachusetts, USA.
authors.forename: Robyn
authors.initials: R
authors.lastname: Marszalek
authors.affiliation: Departments of Pathology and Dermatology, University of Texas MD Anderson Cancer Center, Houston, USA.
authors.forename: Phyu
authors.initials: P
authors.lastname: Aung
authors.affiliation: Boston Medical Center, USA.
authors.forename: Deon
authors.initials: D
authors.lastname: Wolpowitz
authors.affiliation: Department of Dermatology, University of Connecticut School of Medicine, Canton, USA.
authors.forename: Amy Y
authors.initials: AY
authors.lastname: Chen
mesh_terms: D001415:Back; D006801:Humans; D008297:Male; D008875:Middle Aged; D057091:Poroma / Q000175:diagnosis* / Q000473:pathology; D013544:Sweat Gland Neoplasms / Q000175:diagnosis* / Q000473:pathology