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Plasma cell leukemia with myelofibrosis

T Murayama1, T Matsui, Y Hayashi

  • 1Department of Medicine, Kobe University School of Medicine, Japan.

Annals of Hematology
|September 1, 1994
PubMed
Summary

This case study highlights a potential link between plasma cell leukemia and myelofibrosis. Treatment of plasma cell leukemia with chemotherapy initially improved myelofibrosis, but relapse of leukemia also led to myelofibrosis recurrence.

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Area of Science:

  • Hematology
  • Oncology
  • Pathology

Background:

  • Plasma cell leukemia (PCL) is a rare and aggressive malignancy of plasma cells.
  • Myelofibrosis (MF) is a myeloproliferative neoplasm characterized by bone marrow fibrosis.

Observation:

  • A 60-year-old woman presented with back pain and monoclonal hypergammaglobulinemia.
  • Peripheral blood revealed approximately 40% plasma-cell-like cells, and bone marrow aspiration yielded a dry tap.
  • A bone marrow biopsy confirmed a diagnosis of plasma cell leukemia with myelofibrosis.

Findings:

  • Combination chemotherapy (vincristine, pirarubicin, dexamethasone) initially led to improvement in both PCL and MF.
  • Resistance to chemotherapy in PCL was associated with the reappearance of myelofibrosis.

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  • This clinical course suggests a potential pathogenetic relationship between PCL and MF.

    • Implications:

    • This case provides evidence supporting a shared or related etiology between plasma cell leukemia and myelofibrosis.
    • Further research is warranted to elucidate the underlying mechanisms connecting these two hematologic malignancies.
    • Understanding this relationship may lead to novel therapeutic strategies for patients with co-occurring PCL and MF.