Severe intimal arteritis (v2), with or without interstitial inflammation and/or tubulitis is considered acute TCMR Grade IIB based on the Banff 2017 classification. However, we now know that arterial lesions (v>0) may be indicative of ABMR, TCMR or mixed ABMR/TCMR and are not restricted to TCMR.
Haas M, et al. The Banff 2017 Kidney Meeting Report: Revised diagnostic criteria for chronic active T-cell mediated rejection, antibody-mediated rejection, and prospects for integrative endpoints for next-generation clinical trials. Am J Transplant. 2018; 1-15.
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