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Peer-reviewed veterinary case report

Immune-mediated low neutrophils in 2 dogs explained

By McManus, P M et al.·Published in Journal of veterinary internal medicine·1999·Department of Pathobiology, United States·View original on PubMed

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Original publication title: Immune-mediated neutropenia in 2 dogs.

Species:
dog

Plain-English summary

A 5-year-old mixed-breed dog and a 7-year-old Labrador were both brought in for low white blood cell counts, which can lead to serious infections. The dogs were diagnosed with immune-mediated neutropenia, a condition where the immune system mistakenly attacks the body's own neutrophils, a type of white blood cell. Treatment involved medications to suppress the immune response, and both dogs showed improvement with their neutrophil counts rising back to normal levels.

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Abstract

Immune‐mediated neutropenia, also termed autoimmune neutropenia (AIN), is an uncommon event, rarely documented within veterinary literature, although the clinical profile and probable pathogenesis have been outlined in detail within medical literature. In this paper, we review 2 different manifestations of this disorder. The 1st case primarily involved peripheral destruction of mature neutrophils, with little impact on marrow precursors, whereas the 2nd case resulted in suppression of neutrophilic granulopoiesis within marrow. In both cases, absolute neutrophil counts dropped below 200/mL.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/10449230/