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: Dental
7 year old boy chandu presents with reccurent, scaly, hypopigmented patch on face, diagnosis is – 
Select and explain. 
A. Vitiligo, B. Indeterminate leprosy, C. pityriasis alba, D. Pityriasis rosea
C: pityriasis alba
Answer: C: pityriasis alba 
Explanation: Once again a child with scaly hypopigmented patch over face → Pityriasis alba.