<prompt> Hanging cuain sign seen in?Pityriasis roseaPityriasis VersicolorPityriasis rubra pilarisPityriasis lichenoides chronica  <response>: Pityriasis rosea REF: Dermatology. 1995; 1903: 252. PubMed PMID: 7599393, Clinical Pediatric Dermatology - By Thappa page 104 PITYRIASIS ROSEA The primary eruption, herald patch Mother spot is a single oval or round patch with a central wrinkled salmon colored area and a darker peripheral zone separated by a collarette of scales when stretched across the long axis, the scales tends to fold across the line of stretch, the so called Hanging cuain sign. 