Neutropenia pathophysiology

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Neutropenia Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief:

Overview

Pathophysiology

Pathogenesis

Neutropenia may develop as a result of one of the three mechanisms:

1) Impaired granulocyte production

  • Hematologic malignancy with bone marrow infiltration
  • Myelosuppressive chemotherapy or other medications that are toxic to the bone marrow
  • Nutritional deficiencies

2) Margination (process where free flowing blood cells exit circulation)

3) Peripheral destruction - Autoimmune hemolysis - Drug-induced hemolysis

Genetics

Genes involved in the pathogenesis of neutropenia include ELA2, HAX1, and CXCR4.

References