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Neutrophil Function in Hematological Neoplasia.

Y Matzner1

  • 1a Hematology Unit, Hadassah University Hospital Mount Scopus, Jerusalem, Israel.

Leukemia & Lymphoma
|July 28, 2016
PubMed
Summary

Neutrophil dysfunction, not just low counts, increases infection risk in hematologic malignancies like myelodysplastic syndromes (MDS) and acute non-lymphatic leukemia (ANLL). Identifying these functional defects aids in managing infection susceptibility.

Area of Science:

  • Hematology
  • Immunology
  • Oncology

Background:

  • Neutropenia is a primary cause of infection in hematologic malignancies.
  • However, neutrophil dysfunction also contributes significantly to infection susceptibility.
  • This is particularly evident in non-lymphatic disorders.

Purpose of the Study:

  • To explore the role of neutrophil functional defects in infection susceptibility.
  • To differentiate neutrophil dysfunction causes in various hematologic malignancies.
  • To identify patient groups benefiting from enhanced infectious precautions.

Main Methods:

  • Analysis of neutrophil function in myelodysplastic syndromes (MDS) and acute non-lymphatic leukemia (ANLL).
  • Evaluation of neutrophil function in myeloproliferative and lymphoproliferative disorders.
Keywords:
Neutrophil functionhematologic malignancies

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  • Assessment of humoral factors (immunoglobulins, inhibitors) in lymphoid diseases.
  • Review of neutrophil function post-splenectomy and chemotherapy/radiotherapy.

    • Main Results:

    • Aberrant neutrophil function is observed in MDS and ANLL, correlating with poor prognosis.
    • Neutrophil defects in myeloproliferative diseases are mainly of scientific interest.
    • Lymphoproliferative disorders show dysfunction due to humoral defects, not primary cellular issues.
    • Neutrophil dysfunction can also arise from infections and treatments like splenectomy and chemo-radiotherapy.

    Conclusions:

    • Neutrophil function studies are crucial for identifying patients at high risk of infection.
    • Screening patients with MDS, ANLL, and lymphoid diseases for neutrophil dysfunction is recommended.
    • Early identification allows for targeted infectious precautions and improved patient outcomes.