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A malignant tumor originating in glandular tissue.

ad′e·no·car′ci·nom′a·tous (-nŏm′ə-təs, -nō′mə-təs) adj.
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Adj.1.adenocarcinomatous - of or pertaining to adenocarcinomaadenocarcinomatous - of or pertaining to adenocarcinoma  
References in periodicals archive ?
In contrast, a tumor with both typical urothelial carcinoma and adenocarcinomatous components is classified as urothelial carcinoma with glandular differentiation.
On analysis, it was shown the use of homeopathically prepared Carcinosin and Phytolacca were associated with a reduction in the viability of the adenocarcinomatous cells, an increase in the rate of cell death, a preferential loss of telomeric DNA and early apoptosis induction from and of these cells.
In approximately 50% of the patients, pathological findings reveal adenocarcinomatous elements.