title: Hyperpigmented patches on the neck, shoulder, and back.
authors: Department of Dermatology, School of Medicine and Biomedical Sciences, University of Buffalo, NY, USA.
authors: Jason M
authors: JM
authors: Rizzo
authors: Lesley C
authors: LC
authors: Loss
authors: Ilene L
authors: IL
authors: Rothman
mesh_terms: D000293:Adolescent; D001415:Back; D003937:Diagnosis, Differential; D005359:Fibrous Dysplasia, Polyostotic / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D017495:Hyperpigmentation / Q000175:diagnosis* / Q000209:etiology; D008297:Male; D009333:Neck; D012782:Shoulder