title: Poststreptococcal crescentic glomerulonephritis in a patient with preexisting membranous glomerulonephropathy.
mesh_terms: D005921:Glomerulonephritis / Q000150:complications* / Q000209:etiology / Q000473:pathology; D006801:Humans; D007678:Kidney Glomerulus / Q000648:ultrastructure; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D010612:Pharyngitis / Q000150:complications*; D013290:Streptococcal Infections / Q000150:complications*