Answer: B, Tubulitis
All of the provided answers are used to diagnose antibody mediated rejection, except for tubulitis. Tubulitis is needed for diagnosis of T-cell mediated rejection. For more information on the Banff classification system, see the reference below.
Loupy A, Haas M, Roufosse C, et al. The Banff 2019 Kidney Meeting Report (I): Updates on and clarification of criteria for T cell– and antibody-mediated rejection. Am J Transplant. 2020; 00: 1–14.
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