y Dis. 2003;41(1):E31-E32 Fig 1. New evidence has led to re-organization of classification of transplant rejection from a classic, morphological based classification to a mechanistic based classification. Antibodymediated rejection was previously loosely, but not definitely, correlated with the presence of acute glomerulitis, that is the infiltration of the glomerulus by numerous mononuclear cells, as illustrated here (Jones’ silver stain, 3400).