PAS x40 - RCPA

The Banff Classification of Renal Allograft Pathology:• the first International Banff InternationalConference on Allograft Pathology was held inBanff, Canada in 1991; conferences have been heldevery two years since then• the scoring system published after the 1997conference is the foundation of our assessment ofrenal transplant biopsies; it has been modified twice• the system was designed to standardise transplantbiopsy assessment for clinical trials and particularlyemphasises allograft rejection, but we find it usefulfor all allograft biopsies• it defines scores for acute and chronic lesions inglomeruli, tubules, interstitium and vessels,categorises the process and grades its severity