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
Pomphylox affects ? 
Select and explain. 
A. Palms & soles, B. Groin, C. Scalp, D. Trunk
A: Palms & soles
Answer: A: Palms & soles 
Explanation: Ans is 'a' i.e., Palms & soles POMPHOLYX An attack of pompholyx is characterized by the sudden onset of crops of clear vesicles, which appear 'sago-like'. Itching may be severe, preceding the eruption of vesicles. The attack subsides spontaneously in 2-3 weeks . In mild cases, only the sides of the fingers may be affected, but in a typical case the vesicles develop symmetrically on the palms and/or soles