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: Unknown
Most common type of nephropathy found in HIV patients is? 
Select and explain. 
A. Membranous glomerulonephritis, B. Fibrillary glomerolopat, C. Collapsing glomerulonephritis, D. RPGN
C: Collapsing glomerulonephritis
Answer: C: Collapsing glomerulonephritis 
Explanation: Ans. is 'c' i.e., Collapsing glomerulonephritis * Most common (80%) kidney lesion in AIDS is FSGS (especially collapsing variant). Mesangioproliferative GN is 2nd most common kidney lesion (10-15%).* Other kidney lesions in AIDS are acute diffuse proliferative GN, MPGN, IgA nephropathy, membranous GN and minimal change disease.