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: Skin
True about pitryiasis alba : 
Select and explain. 
A. No active treatment required, B. Common in elderly, C. Variant of vitiligo, D. All
A: No active treatment required
Answer: A: No active treatment required 
Explanation: A i.e. No active treatment required Pityriasis alba characteristically presents with recurrent scaly hypopigmented macules on cheeks and face of young childrenQ. It requires no active treatment (i.e. assurance only).