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Clin Chim Acta. 2010 Nov 11;411(21-22):1587-90. doi: 10.1016/j.cca.2010.07.011. Epub 2010 Aug 5.

Acquired Pelger-Huët: what does it really mean?

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  • 1Clinical and Toxicological Department, Faculty of Pharmacy, Federal University of Minas Gerais, Brazil. lucim@farmacia.ufmg.br

Abstract

Pelger-Huët anomaly (PHA) is a benign inherited condition characterized by hyposegmentation of the neutrophil's nucleus and excessive chromatin clumping. An acquired neutrophil dysplasia similar to PHA has been described in hematological diseases and in some clinical conditions. It has been known as acquired or pseudo PHA. Although some hypotheses have been proposed to explain this phenomenon, the mechanism of nuclear change is still unclear. Only the laboratory and clinical data combined will yield a better understanding on the need for follow-up and management of patients in the appropriate cases. In addition, a possible cause of pseudo PHA must always be investigated to add insights to the full understanding of this abnormality. Whether this neutrophil phenomenon has clinical implications remains to be elucidated. It is clear that only a small number of patients under drugs (immunosuppressive and others) may present these neutrophil abnormalities. Most of them do not show this phenomenon and we are unable to explain the different responses in drug users. Whether these patients display a predisposition for developing bone marrow or other diseases in the future, it is a very intriguing matter and only a follow-up will solve this question.

2010 Elsevier B.V. All rights reserved.

PMID:
20691170
[PubMed - indexed for MEDLINE]
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