title: Hyperpigmented patches on the trunk of a Nigerian woman. Pityriasis rotunda (PR).
authors.affiliation: University of Minnesota Medical School, Minneapolis, USA.
authors.forename: Justin J
authors.initials: JJ
authors.lastname: Finch
authors.forename: Cynthia L
authors.initials: CL
authors.lastname: Olson
mesh_terms: D000328:Adult; D001741:Black or African American; D001707:Biopsy, Needle; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D017495:Hyperpigmentation / Q000175:diagnosis / Q000208:ethnology / Q000473:pathology*; D007150:Immunohistochemistry; D009549:Nigeria; D010915:Pityriasis / Q000175:diagnosis / Q000208:ethnology / Q000473:pathology*; D012507:Sarcoidosis / Q000175:diagnosis / Q000473:pathology*; D035441:Thoracic Wall