title: Bluish gray hyperpigmentation on the face and neck.
authors.affiliation: Dermatology Department, Kasr Alainy Faculty of Medicine, Cairo University, Egypt.
authors.forename: Amira
authors.initials: A
authors.lastname: Elbendary
authors.affiliation: Departments of Internal Medicine and Pathology and Laboratory Medicine, Texas A&M University Health Science Center, Dallas, USA.
authors.forename: John
authors.initials: J
authors.lastname: Griffin
authors.affiliation: Beckman Laser Institute and the Department of Dermatology, University of California, Irvine, USA.
authors.forename: Manuel
authors.initials: M
authors.lastname: Valdebran
authors.affiliation: Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, USA.
authors.forename: Dirk M
authors.initials: DM
authors.lastname: Elston
mesh_terms: D003937:Diagnosis, Differential; D004890:Erythema / Q000175:diagnosis* / Q000473:pathology; D005145:Face; D005260:Female; D006801:Humans; D017495:Hyperpigmentation / Q000175:diagnosis* / Q000473:pathology; D008875:Middle Aged; D009333:Neck