This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Dental
[{'content': 'Pomphylox affects \nSelect and explain. \nA. Palm & soles, B. Groins, C. Scalp, D. Trunk', 'role': 'user'}, {'content': 'Answer: A \nExplanation: POMPHOLYX Also known as Dihydrotic eczema/ vesicular palmoplantar eczema. Pompholyx is an acute and recurrent dermatitis of hands and feet,characterised by pruritus and vesicular eruption. Etiology:-exactly not known. Endogenous eczemaBelieve to be a reaction to endogenous substance ,metallic,or other allergic sensitisation. Features:-1. Lesions preceded by a feeling of itching and burning several hours before the onset.2. Lesions begins over the side of fingers as tiny deep seated vesicles with a sago grain/tapioca pudding like appearance.3. Common sites:- palms and soles.4. Associated with volar hyperhydrosis . Treatment :-Cold compresses and potent topical steroids- relief from symptoms.Sho course of oral steroids- severe episodes. IADVL textbook of dermatology,page 507', 'role': 'assistant'}]