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[Quantification of platelet associated IgG in thrombocytopenic purpura (authors transl)]
One hundred and twenty four tests of quantification of platelet associated IgG were done in patients with thrombocytopenia. The level was increased in 80% of the patients with ITP. The platelet associated IgG level does not seem a prognosis tool but is useful to follow the evolution. Platelet associated IgG levels higher than 600 x 10(-16) g/platelet were only observed in ITP (control less than 54 x 10(-16) g/platelet). Level lower than 600 x 10(-16) g/platelet were observed in systemic lupus erythematosus, chronic lymphocytic leukemia or chronic hepatitis. In defective thrombopoïesis, the levels were always normal.
One hundred and twenty four tests of quantification of platelet associated IgG were done in patients with thrombocytopenia. The level was increased in 80% of the patients with ITP. The platelet associated IgG level does not seem a prognosis tool but is useful to follow the evolution. Platelet associated IgG levels higher than 600 x 10(-16) g/platelet were only observed in ITP (control less than 54 x 10(-16) g/platelet). Level lower than 600 x 10(-16) g/platelet were observed in systemic lupus erythematosus, chronic lymphocytic leukemia or chronic hepatitis. In defective thrombopoïesis, the levels were always normal.