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Urinary loss of clotting factors due to hereditary membranous glomerulopathy

D Green, J Arruda, G Honig

    American Journal of Clinical Pathology
    |March 1, 1976
    PubMed

    Severe plasma deficiencies of clotting factors IX and XII developed in a 59-year-old woman with a nephrotic syndrome secondary to a laminated membranous glomerulopathy. Both these clotting factors were subsequently identified in the patient's urine. Chromatographic analysis of the urine revealed that the bulk of clotting activity attributed to factors IX ann XII was in early eluting gel filtration fractions containing predominately alpha-2 globulin and albumin. The unprecedented finding of two coagulation proteins in the urine is attributed to the marked proteinuria present in this case.

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