All tumour markers can become elevated in a range of benign conditions

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All tumour markers can become elevated in a range of benign conditions

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Vanessa Weenink

Scan
Endometriosis and ovarian cysts can cause a raised CA 125 level

The term “tumour marker” can lead to an overestimation of the usefulness of measuring these substances in patients where the pretest probability of neoplastic disease is low, as this article’s case example and discussion illustrate

Key points, Tumour markers are not tumour-specific (or even tissue-specific) substances; they are secreted by many normal tissues, but often to excess by neoplast