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': "Schamberg's purpura are seen on ? \nSelect and explain. \nA. Face, B. Feet, C. Chest, D. Arms", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Feet Schamberg's purpura Most common from of pigmented purpura dermatosis (PPD). Puncate purpura macules develop on lower extrimities, paicularly around ankles & pretibial region. Mostly asymptomatic", 'role': 'assistant'}]