title: Chronic hyperpigmented scaly plaques. Pityriasis rotunda (PR).
authors.affiliation: McGill University, Montreal, Quebec, Canada.
authors.forename: Leah
authors.initials: L
authors.lastname: Mirsky
authors.forename: Kevin
authors.initials: K
authors.lastname: Watters
authors.forename: Fatemeh
authors.initials: F
authors.lastname: Jafarian
mesh_terms: D002908:Chronic Disease; D005260:Female; D006801:Humans; D017495:Hyperpigmentation / Q000209:etiology / Q000473:pathology; D008875:Middle Aged; D010915:Pityriasis / Q000150:complications / Q000473:pathology*