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: Pharmacology
PUVA therapy is used in : 
Select and explain. 
A. Psoriasis, B. Lichen planus, C. Freckles, D. Melasma
A: Psoriasis
Answer: A: Psoriasis 
Explanation: FDA approved indications of PUVA are vitiligo and psoriasis.