This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
Hanging curtain sign seen in ? 
Select and explain. 
A. Pityriasis rosea, B. Pityriasis Versicolor, C. Psoriasis, D. Pityriasis Alba
A: Pityriasis rosea
Answer: A: Pityriasis rosea 
Explanation: ANSWER: (A) Pityriasis roseaREF: Dermatology. 1995: 190(3):252. PubMed PMID: 7599393, Clinical Pediatric Dermatology - By Thappa Page 104Repeat Dermatology June 2010