This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary tract, Subject name: Pathology
[{'content': 'Hallmark of IgA nephropathy is \nSelect and explain. \nA. Oedema, B. Hematuria, C. Hypeension, D. Proteinuria', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Refer Robbins page no 9/e923IgA Nephropathy (Berger Disease) IgA nephropathy, characterized by the presence of prom- inent IgA deposits in the mesangial regions and recurrent hematuria, is the most common type of glomerulonephri- tis worldwide. The disease can be suspected by light microscopic examination, but the diagnosis is made only by the detection of glomerular IgA deposition (Fig. 20-19). Mild proteinuria is usually present, and the nephrotic syndrome may occasionally develop.', 'role': 'assistant'}]