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': 'Cause for renal vein thrombosis could be - \nSelect and explain. \nA. Membranous nephropathy, B. Luous nephritis, C. Membranoproliferative glomerulonephritis, D. Post streptococcal glomerulonephritis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Renal vein thrombosis can also be secondary to nephrotic syndrome paicularly membranous nephropathy. Nephrotic syndrome - Minimal change disease Focal segmental glomerulosclerosis Membranous nephropathy (membranous Glomerulonephritis) Diabetic nephropathy Membranoproliferative Glomerulonephritis Focal and diffuse proliferative GN IgA nephropathy Ref:Harrison 20 th edition pg no 2167,2142.', 'role': 'assistant'}]