Affiliation:
1. Utah State University, Logan, UT, USA
Abstract
Spontaneous migration of placental trophoblasts into maternal blood vessels and embolization to other organs (ie, lung, adrenal gland, spleen, and liver) occurs in women and certain animals with hemochorial placentation. Although considered incidental in most species, increased incidence and numbers of trophoblast emboli are reported in women with gestational diseases with arterial hypertension (pre-eclampsia and eclampsia). To the best of our knowledge, trophoblast emboli have not been reported in lagomorphs. This case report describes the identification of trophoblast emboli in the lung of a wild snowshoe hare ( Lepus americanus). Death of this hare was attributed to pulmonary hemorrhages and hemothorax, but a definitive cause for the hemorrhages was not determined. It is unclear whether trophoblast embolism normally occurs in this species and represents an incidental finding, or whether it possibly contributed to rupture of pulmonary or thoracic blood vessels leading to hemorrhage.
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1 articles.
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