Pure red cell aplasia and hypogammaglobulinemia after administration of Dioscorea rhizome and Poria cocos

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  • SATO Takayuki
    Department of Haematology/Oncology, Kurashiki Central Hospital
  • UEDA Yasunori
    Department of Haematology/Oncology, Kurashiki Central Hospital

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Other Title
  • サンヤクとブクリョウ投与後に生じた赤芽球癆と低ガンマグロブリン血症
  • 症例報告 サンヤクとブクリョウ投与後に生じた赤芽球癆と低ガンマグロブリン血症
  • ショウレイ ホウコク サンヤク ト ブクリョウ トウヨ ゴ ニ ショウジタ アカ ガキュウロウ ト テイガンマグロブリン ケツショウ

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Abstract

A 56-year-old woman was referred to our department for detailed examination of anemia. She was diagnosed with pure red cell aplasia (PRCA) associated with severe reticulocytopenia based on blood testing and severe erythroblastopenia based on bone marrow aspiration. Blood tests revealed severe hypogammaglobulinemia, but monoclonal protein was not detected in either serum or urine by immunoelectrophoresis. Plasma cells were not increased in bone marrow aspirates or the biopsy specimen. Neither osteolytic lesions nor plasmacytoma was detected by computed tomography. We thus ruled out multiple myeloma. She had been treated with various Chinese herbal medicines prescribed at the referring hospital. We suspected PRCA induced by one of the Chinese herbal medicines and completely discontinued all of these herbal preparations. Hematologic testing revealed that the reticulocyte count and hemoglobin concentration began to recover on day 7 and the hemoglobin concentration and IgG levels had reached reference ranges on day 73 after discontinuation of the Chinese herbal medicines. We suspected Sanyaku (Dioscorea rhizome) or Bukuryou (Poria cocos) to have induced PRCA and hypogammaglobulinemia in this patient. To the best of our knowledge, this is the first report of PRCA and hypogammaglobulinemia induced by a Chinese herbal medicine. Clinicians must consider the possibility of drug-induced PRCA and hypogammaglobulinemia in patients taking Chinese herbal preparations.

Journal

  • Rinsho Ketsueki

    Rinsho Ketsueki 56 (11), 2324-2328, 2015

    The Japanese Society of Hematology

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