This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Medicine
[{'content': 'A 20 year old girl presents with pain abdomen and purpuric rash all over the body, most probable diagnosis is ? \nSelect and explain. \nA. HUS, B. Kawasaki disease, C. ITP, D. HSP', 'role': 'user'}, {'content': 'Answer: D \nExplanation: HSP (IgA vasculitis ) is characterized by - Palpable purpura(most commonly seen in buttocks and lower extremities ) Gastrointestinal signs and symptoms Ahralgia Glomerulonephritis Ref:Harrison 20 th edition pg no 2586', 'role': 'assistant'}]