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  • Title: A rapid quantitation of platelet-associated IgG by nephelometry.
    Author: Morse BS, Giuliani D, Nussbaum M.
    Journal: Am J Hematol; 1982 May; 12(3):271-5. PubMed ID: 6805316.
    Abstract:
    Platelet-associated IgG (PAIgG) was measured by a simple rapid nephelometric technique using washed solubilized platelets and commercially available, prestandardized reagents. Normal subjects with normal platelet counts had PAIgG levels of 2.1-6.7 fg/platelet. Subjects with idiopathic immune thrombocytopenic purpura (ITP) had levels of 7.2-43.3 fg/platelet. Ninety percent of ITP patients had values exceeding 2 SD units of the mean of normal subjects. Elevated values were also found in 17% of patients with recovered ITP, patients with SLE with and without thrombocytopenia, patients with thrombocytopenia occurring during septicemia, and patients with IGg myeloma. Results can be obtained within several hours of receipt of blood specimen, and are similar to the reports that used more complex techniques.
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