“…Immune complex deposition 13 20/M Hematuria "Cytotoxic drugs," PP Recovery Savige 13 18/F Hematuria PP, steroids, CP Chronic kidney disease Elder 14 20/M Hemoptysis, dyspnea, fever, hematuria Steroids, CP Recovery, proteinuria Keilstein 15 17/M Hemoptysis, hematuria Antibiotics Recovery M, male; F, female; CP, cyclophosphamide; PP, plasmapheresis. Adapted from Troxell et al 3 and Patel et al 26 16 19/F Hemoptysis, hematuria Steroids, azathioprine Nephrectomy, dialysis Sharon 17 25/M Hemoptysis, hematuria, edema Steroids, CP, PP Died (pulmonary hemorrhage) Jennette 18 17/M Sore throat, fever, minimal hemoptysis Steroids, CP Recovery Tomaszewski 19 22/F Hemoptysis, hematuria Pettersson 20 20/M Sore throat, fever, lumbar pain, hematuria along the GBM may cause release of damaged GBM antigens into the circulation or unmask cryptic epitopes, which leads to the formation of nephritogenic anti-GBM antibodies. Alternatively, a patient with an initial anti-GBM antibody-mediated renal lesion could have release of GBM antigens into the circulation that then complex with the circulating anti-GBM antibody, leading to glomerular deposition of immune complexes.…”