Two Occurrences of Leukemia Relapse Due to Mismatched HLA Loss After Haploidentical Stem Cell Transplantation From Different Family Donors With KIR Ligand Mismatch

Mismatched HLAloss is a cause of leukemiarelapse after HLA-haploidentical stem cell transplantation (haplo-SCT). We report a patient with a history of 2 occurrences of leukemiarelapse due to mismatched HLAloss after haplo-SCT. He received haplo-SCT from his father but showed leukemiarelapse wit