<prompt> Hanging curtain sign seen in ?Pityriasis roseaPityriasis VersicolorPsoriasisPityriasis Alba  <response>: ANSWER: A Pityriasis roseaREF: Dermatology. 1995: 1903:252. PubMed PMID: 7599393, Clinical Pediatric Dermatology - By Thappa Page 104Repeat Dermatology June 2010 