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Pertaining to a malignant tumor originating in glandular epithelium.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


(ad?e-no-kar?sin-o'ma) [ adeno- + carcinoma]
A malignant tumor that originates in glandular tissues, e.g., the breast, the pancreas, or the prostate. Synonym: glandular carcinomaadenocarcinomatous (-mat-us), adjective

acinar adenocarcinoma

Adenocarcinoma in which the cells are in the shape of alveoli. Synonym: alveolar adenocarcinoma

alveolar adenocarcinoma

Acinar adenocarcinoma.

fetal adenocarcinoma

A rare form of adenocarcinoma of the lung, resembling fetal lung tissue when examined microscopically. It consists of columnar cells that have a clear cytoplasm and oval nuclei.

adenocarcinoma in situ

Abbreviation: AIS
A localized cluster of malignant appearing cells found in a gland but not yet spreading outside the basement membrane of the gland.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Identical epidermal growth factor receptor mutations in adenocarcinomatous and squamous cell carcinomatous components of adenosquamous carcinoma of the lung.
It is difficult to exclude a small component of adenocarcinomatous component in GCT because single cells or small clusters of neoplastic cells may be present from tangential sectioning or when the tumor infiltrates through the muscularis propria in seemingly single cells that resemble signet-ring cells; alternatively, it may represent a small focus of an adenocarcinomatous component.
No squamous metaplasia, transitional cell carcinomatous or adenocarcinomatous components were noticed.
Although they are extremely useful in difficult, undifferentiated, small tumor samples to predict a likely or probable non-small cell lung cancer subtype, this strategy is not, and cannot be, 100% accurate, and these markers are not necessary if definite morphologic evidence of squamous cell or adenocarcinomatous differentiation is present.
No squamous metaplasia or transitional cell or adenocarcinomatous components could be observed.
One case was unique with adenocarcinomatous and sarcomatous foci in addition to urothelial and squamous differentiation.
Histopathological examination revealed mucinous adenocarcinomatous infiltration of the omentum.
Yolk sac tumor of the stomach with an adenocarcinomatous component: a case report with immunohistochemical analysis.
Despite extensive tumor sampling, conventional adenocarcinomatous or squamous elements were not found.