Estrogen-induced myelotoxicity in dogs: A review
- PMID: 20046604
- PMCID: PMC2748286
Estrogen-induced myelotoxicity in dogs: A review
Abstract
Exogenous estrogens used for therapeutic purposes or endogenous estrogen sources such as functional Sertoli cell or ovarian granulosa cell tumors may cause bone marrow toxicity in dogs. The condition is characterized by hematologic abnormalities including thrombocytopenia, anemia, and leukocytosis or leukopenia. Despite intensive therapy with blood or platelet-rich transfusions, broad-spectrum antibiotics, steroids, and bone marrow stimulants, prognosis is unfavorable. Due to the the risk of stimulating the development of uterine diseases and the potential for inducing aplastic anemia, estrogen use in dogs is best avoided where possible. This paper describes the causes of estrogen-induced myelotoxicity, the clinical presentation of the patients, the diagnosis, and the treatment options in the dog.
Myélotoxicité induite par les œstrogènes chez les chiens : étude. Les œstrogènes exogènes utilisés à des fins thérapeutiques ou des sources d’œstrogènes endogènes, telles que des tumeurs des cellules de Sertoli fonctionnelles ou de la granulosa, peuvent causer la toxicité de la moelle osseuse chez les chiens. L’affection se caractérise par des anomalies hématologiques incluant la thrombocytopénie, l’anémie et la leucocytose ou la leucopénie. Malgré une thérapie intensive avec des transfusions de sang ou riches en plaquettes, des antibiotiques à large spectre, des stéroïdes et des stimulants de la moelle osseuse, le pronostic est défavorable. En raison du risque de stimulation du développement de maladies utérines et du potentiel d’induction de l’anémie aplastique, il est préférable d’éviter l’utilisation des œstrogènes chez les chiens dans la mesure du possible. Cet article décrit les causes de myélotoxicité induite par les œstrogènes, la présentation clinique des patients, le diagnostic et les options de traitement pour le chien.
(Traduit par Isabelle Vallières)
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