Medical Dictionary

chorioangioma

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noun cho·rio·an·gi·o·ma \-ˌan-jē-ˈō-mə\

Medical Definition of chorioangioma

plural

chorioangiomas

also

chorioangiomata

\-mət-ə\play
  1. :  a benign vascular tumor of the chorion Chorioangiomas occur in up to 1 percent of pregnancies, but those associated with nonimmune fetal hydrops are usually more than 5 cm in diameter and should have been visible on prenatal ultrasonograms or in the placenta at delivery.—Linda J. Heffner et al., The New England Journal of Medicine, 24 July 1997


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