Cold Agglutinin Hemolytic Anemia Complicating Mycoplasma Pneumonia.

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  • マイコプラズマ肺炎に併発した寒冷凝集素性溶血性貧血の１例

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A case of Mycoplasma pneumonia complicated with severe hemolytic anemia, which occurred as a result of a high titer of cold agglutinin is presented. A 49 year-old male was admitted because of fever, jaundice and dyspnea. Chest x-ray showed diffuse small nodular infiltrates throughout both lung fields. Laboratory studies disclosed the following values: Hb 4.6 g/dl, Ht 13.9%, reticulocyte 11.5%, direct and indirect Coombs' test positive, haptoglobin 38 mg/dl, ESR 145 mm/hr, cold agglutinin titer 1: 2,048 mycoplasma antibody titer 1: 640, PPD negative. The diagnosis of autoimmune hemolytic anemia associated with Mycoplasma pneumonia was made, and treatment with minocycline and prednisolone observed striking clinical improvement. It was sussested that the cold exposure was possibly a major factor in the pathogenesis of hemolysis in this patient.

Journal

  • Rinsho Ketsueki

    Rinsho Ketsueki 33 (6), 801-805, 1992

    The Japanese Society of Hematology

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