A LONG-TERM REMISSION OF RENAL AMYLOIDOSIS WITH NEPHROTIC SYNDROME AFTER AUTOLOGOUS PERIPHERAL BLOOD STEM-CELL TRANSPLANTATION

  • OGAWA KAZUEI
    Department of Cardiology and Hematology, Fukushima Medical University
  • IKEDA KAZUHIKO
    Department of Cardiology and Hematology, Fukushima Medical University
  • FURUKAWA MIKI
    Department of Cardiology and Hematology, Fukushima Medical University
  • HARADA-SHIRADO KAYO
    Department of Cardiology and Hematology, Fukushima Medical University
  • MASHIMO YUMIKO
    Department of Cardiology and Hematology, Fukushima Medical University
  • TAKAHASHI HIROSHI
    Department of Cardiology and Hematology, Fukushima Medical University
  • MATSUMOTO HAYATO
    Department of Cardiology and Hematology, Fukushima Medical University
  • KIMURA SATOSHI
    Department of Cardiology and Hematology, Fukushima Medical University
  • SHICHISHIMA-NAKAMURA AKIKO
    Department of Cardiology and Hematology, Fukushima Medical University
  • OHKAWARA HIROSHI
    Department of Cardiology and Hematology, Fukushima Medical University
  • HASHIMOTO YUKO
    Department of Diagnostic Pathology, Fukushima Medical University
  • ASAHI KOICHI
    Department of Nephrology, Hypertension, Fukushima Medical University
  • NOJI HIDEYOSHI
    Department of Cardiology and Hematology, Fukushima Medical University
  • OHTO HITOSHI
    Department of Blood Transfusion and Transplantation Immunology, Fukushima Medical University
  • TAKEISHI YASUCHIKA
    Department of Cardiology and Hematology, Fukushima Medical University

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Renal amyloidosis is typically characterized by nephrotic syndrome, often with massive proteinuria and refractory peripheral edema. We report the case of a patient with renal amyloidosis associated with nephrotic syndrome who maintained remission for 6 years after undergoing high-dose chemotherapy followed by autologous peripheral blood stem-cell transplantation (auto-PBSCT). The patient was a man aged in his 50s who had developed nephrotic syndrome. Bone marrow aspiration and kidney biopsy determined that the cause of the nephrotic syndrome was renal amyloidosis due to multiple myeloma, and the patient was admitted to our department in July 2003. After one course of chemotherapy, auto-PBSCT was performed in March 2004. Following transplantation, serum M-protein was no longer detectable from March 2005, and the patient achieved complete hematological remission. Subsequently, proteinuria decreased, serum albumin levels normalized, and nephrotic syndrome improved. As of 6 years after transplantation, in March 2010, the patient remained in remission, meaning that auto-PBSCT proved extremely effective as a treatment for renal amyloidosis in this case.

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