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Related Experiment Videos

Hairy-cell leukemia. Morphologic, cytochemical, and immunologic features.

M Paoletti1, M A Bitter, J W Vardiman

  • 1Mayo Clinic, Rochester, Minnesota.

Clinics in Laboratory Medicine
|March 1, 1988
PubMed
Summary

Hairy-cell leukemia (HCL) is a rare B-cell leukemia. Diagnosis is typically confirmed by bone marrow biopsy and tartrate-resistant acid phosphatase activity, with effective treatments available.

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Area of Science:

  • Hematology
  • Oncology
  • Cell Biology

Background:

  • Hairy-cell leukemia (HCL) is a distinct lymphoproliferative disorder.
  • Diagnosis is usually achieved via bone marrow biopsy and tartrate-resistant acid phosphatase (TRAP) activity.
  • Rare variant cases and mimicking disorders can present diagnostic challenges.

Purpose of the Study:

  • To review the diagnostic features of HCL.
  • To discuss current and emerging treatment strategies for HCL.
  • To highlight the importance of specialized centers for HCL research and patient management.

Main Methods:

  • Review of clinical and pathological findings in HCL.
  • Analysis of diagnostic markers, including TRAP activity.
  • Evaluation of treatment outcomes for splenectomy, interferon-alpha (IFN-alpha), and 2'-deoxycoformycin.

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Main Results:

  • HCL is characterized by B-cell lineage hairy cells, closely related to plasma cells.
  • Bone marrow biopsy and TRAP staining are key diagnostic tools.
  • Splenectomy, IFN-alpha, and 2'-deoxycoformycin yield excellent responses in most HCL cases.

Conclusions:

  • HCL is a well-defined entity with established diagnostic criteria and effective treatments.
  • Continued research into hairy cell biology is necessary for further therapeutic advancements.
  • Referral to specialized centers is crucial for advancing HCL understanding and patient care.