Dermatol Online J 2017 Aug 15;23(8). Epub 2017 Aug 15.
Department of Dermatology, IRCCS AOU San Martino, Genoa, Italy.
Pityriasis rosea (PR) may have atypical presentations as regards morphology and distribution of the lesions. Recently, several forms of PR considered atypical for the course of the disease have been described. Differently from the typical PR that resolves within 2-12 weeks, relapsing and persistent PR forms (lasting longer than 12 weeks) have been described in adults and children. Read More