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  • Title: [Posttransfusion purpura: identification of a new platelet antigen Leka. A case].
    Author: Wautier JL, Boizard B, Lecharny B, Hautefeuille P, Caen JP.
    Journal: Presse Med; 1984 Mar 17; 13(11):657-60. PubMed ID: 6231558.
    Abstract:
    A young female patient with Gardner's syndrome developed post-transfusion purpura. Serological studies demonstrated the presence of an antibody directed not against PlA1 but against a new antigen, Leka. This is the first case of post-transfusion purpura not associated with immunization against the PlA1 antigen. The Leka antigen is present in 98% of the French population. Its absence on platelets from patients with thrombasthenia suggests that it is located on the IIb IIIa platelet glycoprotein complex.
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