P129 Missing the forest for the trees: Using shared epitope analysis tools to understand crossmatch results

A positive crossmatch with no identifiable donor specific antibody (DSA) is often considered not to be a contraindication for transplant. However, accurate HLA antibody identification is critical for assessing the risk of transplant in the presence of a positive crossmatch. In this case study, we present a 45 year-old female who had a strong positive flow cytometric crossmatch (FCXM) but no obvious donor specific antibody (DSA) detected. The...