TA-GVHD has been recognized in immunocompromised, HLA-heterozygous patients receiving blood from blood relatives who are HLA-homozygous. patients receiving blood from either blood relatives or non-blood relatives who are HLA-homozygous. This HLA-heterozygous patient received transfusions of unirradiated, class I HLA-homozygous platelets, which were specifically ordered as HLA-matched, and his death was attributed to TA-GVHD. Consideration should always be given to providing irradiated blood for immunosuppressed patients, especially when HLA-matched platelets are used, to prevent TA-GVHD.
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