Relative renal biopsy diagnosis frequencies of the most common glomerular disease subtypes according to patient age category and typical mode of clinical presentation. Relative renal biopsy diagnosis frequencies of the most common glomerular disease subtypes according to patient age category and typical mode of clinical presentation. (A) nephrotic syndrome; (B) nephritic features. DDD, dense deposit disease; GBM, glomerular basement membrane; GS, glomerulosclerosis; IgAN, IgA nephropathy; MIDD, monoclonal immune deposition disease; MPGN, membranoproliferative GN; TBM, thin basement membrane. Michelle M. O’Shaughnessy et al. CJASN 2017;12:614-623 ©2017 by American Society of Nephrology