tumour marker


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Related to tumour marker: CA19-9

tumour marker

Any specific substance present in increased amounts in serum that may be used for early cancer (CA) detection. Most tumour markers are nonspecific and of little use as screening tools; they may be used to detect recurrence (e.g., CEA in patients with known colorectal and other CAs).  

Examples
Oncofoetal proteins (alpha-fetoprotein) for hepatic carcinoma; CA125 for ovarian CA; CEA for ovarian, lung, breast, pancreas, GI tract CAs; PSA for prostate CA.

tu·mor mark·er

(tū'mŏr mahr'kĕr)
A substance released into the circulation by tumor tissue; its detection in the serum indicates the presence and specific type of tumor.
Synonym(s): tumour marker.

tu·mor mark·er

(tū'mŏr mahr'kĕr)
A substance released into the circulation by tumor tissue; its detection in the serum indicates the presence and specific type of tumor.
Synonym(s): tumour marker, tumour marker.
References in periodicals archive ?
As a tumour marker, AFP is most often used for testicular cancer or hepatocellular carcinoma (HCC).
It is essential that the meaning of test sensitivity and the specificity of a tumour marker be understood before discussing the applications of tumour markers.
Tumour marker measurements in the diagnosis and monitoring of breast cancer.
This tumour marker is produced during the breakdown of proteins in the blood as cancer invades the lungs.
Potential use of tumour marker CA 15-3 in the staging and prognosis of patients with breast cancer.
M2 PHARMA-November 10, 2014-Study finds examination of combined tumour markers could help diagnose pancreatic cancer

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