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Immune and idiopathic neutropenia
1Department of Medicine, University of Washington School of Medicine, Seattle 98195, USA.
Current Opinion in Hematology
|March 27, 1998
Summary
Immune-mediated neutropenia, a condition affecting neutrophils, can be classified into isoimmune, autoimmune, and idiopathic types. Granulocyte macrophage colony-stimulating factor offers a significant advancement for treating these conditions.
Area of Science:
- Immunology
- Hematology
- Clinical Medicine
Background:
- Neutropenia is frequently caused by immune system attacks on neutrophils or their developing cells.
- Immune-mediated neutropenias are clinically categorized into isoimmune, autoimmune (including drug-associated), and idiopathic forms.
- Isoimmune neutropenia in infants involves a specific antigen (CD16 isoform) and typically resolves spontaneously.
Purpose of the Study:
- To review the classification and diagnostic approaches for immune-mediated neutropenias.
- To highlight the clinical significance of granulocyte macrophage colony-stimulating factor in managing these conditions.
Main Methods:
- Review of existing literature on immune-mediated neutropenias.
- Clinical criteria for diagnosis when specific antigens are undefined.
- Assessment of treatment response to granulocyte macrophage colony-stimulating factor.
Main Results:
- Immune-mediated neutropenias encompass isoimmune, autoimmune, and idiopathic categories.
- Diagnosis often relies on clinical presentation, especially when causative antigens are unknown.
- Granulocyte macrophage colony-stimulating factor demonstrates rapid efficacy in most patients.
Conclusions:
- Effective classification aids in understanding immune-mediated neutropenias.
- Granulocyte macrophage colony-stimulating factor represents a major therapeutic advance.
- Further research may elucidate undefined antigens in certain neutropenia types.