title: Exogenous Ochronosis in Facial Melasma.
authors.affiliation: Sección de Dermatología, Hospital Ángeles León, Guanajuato, México.
authors.forename: M E
authors.initials: ME
authors.lastname: Córdova
authors.affiliation: Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, México.
authors.forename: D O
authors.initials: DO
authors.lastname: Pérez-Rojas
authors.affiliation: Sección de Dermatología, Hospital Ángeles León, Guanajuato, México.
authors.forename: A D
authors.initials: AD
authors.lastname: López-Marquet
authors.affiliation: Sección de Micología, Hospital General «Dr. Manuel Gea González», Ciudad de México, México. Electronic address: rarenas98@hotmail.com.
authors.forename: R
authors.initials: R
authors.lastname: Arenas
mesh_terms: D046169:Dermoscopy; D005148:Facial Dermatoses / Q000150:complications*; D005260:Female; D050560:Homogentisate 1,2-Dioxygenase / Q000037:antagonists & inhibitors; D006713:Homogentisic Acid / Q000032:analysis*; D006801:Humans; D006873:Hydroquinones / Q000009:adverse effects* / Q000494:pharmacology; D008548:Melanosis / Q000150:complications* / Q000188:drug therapy; D008875:Middle Aged; D009794:Ochronosis / Q000139:chemically induced*; D062327:Skin Lightening Preparations / Q000009:adverse effects* / Q000494:pharmacology
chemical_list: D006873:Hydroquinones; D062327:Skin Lightening Preparations; D050560:Homogentisate 1,2-Dioxygenase; D006713:Homogentisic Acid; C031927:hydroquinone