calculated kidney morphological measurement renal tubulointerstitial score ""A semiquantitative evaluation of the renal interstitium using a grading system with a score of 0 to 4+, which assesses the tubules and the interstitium for the presence of (1) tubular atrophy, (2) tubular dilatation, (3) interstitial inflammatory cell infiltrates, and (4) interstitial fibrosis. A score of 0 indicates no lesion (normal kidney), 1+ indicates a single, small focal lesion with very minimal tubular alterations and interstitial inflammatory cell infiltration, and 2+ to 4+ indicated increasing severity of tubular lesions, interstitial inflammatory cell infiltration, and/or fibrosis. A score of 4+ indicates involvement of approximately 50% or more of the renal parenchyma or interstitium." [PMID:PMID\:9369281] 2018-12-07T15:16:47Z kidney tubulointerstitial score sjwang