ANSWER: B, Necrotizing and Crescentic
In a case series by Boils et al. which included 49 patients with GN due to IE, the most common biopsy finding was necrotizing and crescentic GN which was found in 53% of the cases. This was followed by endocapillary proliferative GN in 37% of the biopsies.
Reference:
Boils CL, et al. Update on endocarditis-associated glomerulonephritis. Kidney Int. 2015; 87(6):1241-1249.
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