Medical Dictionary

chorioangioma

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

medical Definition of chorioangioma

plural chorioangiomas also chorioangiomata play \-mət-ə\
: 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 Medicine24 July 1997

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