cho·​rio·​car·​ci·​no·​ma | \ ˌkȯr-ē-(ˌ)ō-ˌkär-sə-ˈnō-mə How to pronounce choriocarcinoma (audio) \

Definition of choriocarcinoma

: a malignant tumor typically developing in the uterus from the trophoblast

Examples of choriocarcinoma in a Sentence

Recent Examples on the Web But just 18 months after getting sober — and regaining custody of her daughters — she was hit with a devastating setback: choriocarcinoma, a fast-growing cancer that occurs in the uterus and followed a tubular pregnancy. Michelle Tauber,, 6 June 2019 Around half of women who have a molar-type pregnancy go on to develop a very rare womb cancer called choriocarcinoma, due to the growth of the abnormal cells. Fox News, 26 Apr. 2018 She was diagnosed with stage IV choriocarcinoma, a rare form of uterine cancer that can form during pregnancy. Jane Bianchi, Woman's Day, 7 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'choriocarcinoma.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of choriocarcinoma

1901, in the meaning defined above

History and Etymology for choriocarcinoma

New Latin, from chorion + carcinoma

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Time Traveler for choriocarcinoma

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The first known use of choriocarcinoma was in 1901

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Cite this Entry

“Choriocarcinoma.” Dictionary, Merriam-Webster, Accessed 11 Aug. 2022.

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More Definitions for choriocarcinoma


cho·​rio·​car·​ci·​no·​ma | \ -ˌkärs-ᵊn-ˈō-mə How to pronounce choriocarcinoma (audio) \
plural choriocarcinomas also choriocarcinomata\ -​mət-​ə How to pronounce choriocarcinoma (audio) \

Medical Definition of choriocarcinoma

: a malignant tumor derived from trophoblastic tissue consisting of syncytiotrophoblasts and cytotrophoblasts that develops typically in the uterus following pregnancy, miscarriage, or abortion especially when associated with a hydatidiform mole or rarely in the testes or ovaries chiefly as a component of a mixed germ-cell tumor

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