carcinoembryonic antigen - Hutchinson encyclopedia article about carcinoembryonic antigen Printer Friendly
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antigen
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    Also found in: Dictionary/thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia 0.04 sec.

antigen

Any substance that causes the production of antibodies by the body's immune system. Common antigens include the proteins carried on the surface of bacteria, viruses, and pollen grains. The proteins of incompatible blood groups or tissues also act as antigens, which has to be taken into account in medical procedures such as blood transfusions and organ transplants.



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? Mentioned in ? References in periodicals archive
 
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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