lymphoepithelioma /lim′fō·ep′ithē′lē·ō″mə/ [L, lympha + Gk, epi, above, thele, nipple, oma, tumor] , a poorly differentiated neoplasm developing from the epithelium overlying lymphoid tissue in the nasopharynx. It occurs most frequently in east Asia and Africa. Also called nasopharyngeal cancer.
