The Banff 2022 Kidney Meeting Report: Reappraisal of microvascular inflammation and the role of biopsy-based transcript diagnostics.

The Banff 2022 Kidney Meeting Report reappraised microvascular inflammation and biopsy-based transcript diagnostics, introducing two new phenotypes, 'probable antibody-mediated rejection' and 'microvascular inflammation, DSA-negative and C4d-negative,' to capture cases that fall outside existing AMR thresholds.