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
[{'content': 'Pomphylox affects ? \nSelect and explain. \nA. Palms & soles, B. Groin, C. Scalp, D. Trunk', 'role': 'user'}, {'content': "Answer: A \nExplanation: 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", 'role': 'assistant'}]