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Carcinoembryonic antigen

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.06 sec.
car·ci·no·em·bry·on·ic antigen (kärs-n-mbr-nk)
n. Abbr. CEA
A glycoprotein present in fetal gastrointestinal tissue, generally absent from adult cells with the exception of some carcinomas.
CEA (Carcinoembryonic antigen)
A tumor marker associated with many cancers, especially liver, intestinal, and pancreatic.
Mentioned in: Tumor Markers
carcinoembryonic antigen
an oncofetal glycoprotein antigen found in colonic adenocarcinoma and other cancers and in certain nonmalignant conditions. See also oncofetal antigen. Called also CEA.
carcinoembryonic antigen See CEA.


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Immunohistochemical staining can be an important diagnostic aid in these cases; columnar cell variants of PTC should be negative for carcinoembryonic antigen and positive for thyroglobulin unless the cells are too poorly differentiated.
Columnar cell variant of papillary thyroid carcinoma by Russell, Michael J. / Ear, Nose and Throat Journal
Results of testing for tumor-associated antigens, such as carcinoembryonic antigen, carcinoma antigen 19-9, prostatic specific antigen, and alpha fetoprotein, were negative.
Migratory thrombophlebitis and acute Q fever by Delgado, Rosa Garcia / Emerging Infectious Diseases
16) They found a statistically significant infrequency of gross cystic disease fluid protein-15 in eccrine sweat gland carcinomas, a paucity of carcinoembryonic antigen in breast cancers, and an absence of estrogen receptor protein in salivary duct carcinomas.
Salivary duct carcinoma of the larynx: report of a rare case by Srivastava, Anand N. / Ear, Nose and Throat Journal
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