An older medical term for choriocarcinoma, a cancer arising from the epithelial cells of the chorion or placenta.
From chorio- (chorion) + epithelioma (from epithelium, the tissue lining organs, plus -oma meaning tumor). This term was largely replaced by choriocarcinoma in modern medical practice.
Chorioepithelioma is a medical term that fell out of fashion—it's like a fossil in medical dictionaries, replaced by the more accurate 'choriocarcinoma' once doctors better understood what cells were actually involved!
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