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KMID : 0848020010040020136
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Journal of Korean Breast Cancer Society
2001 Volume.4 No. 2 p.136 ~ p.143
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Clinical Value of CEA, CA15-3 and TPS in Breast Cancer
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Abstract
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Purpose: The main goals of the clinical use of tumor markers are to evaluate the adequacy of the treatment, monitor recurrence and follow up on the response to the treatment applied. The purpose of our study was to compare
carcinoembryogenic
antigen (CEA), the mucin associated tumor antigen CA15-3, and the tissue polypeptide antigen (TPS) in primary breast cancer and gauge the correlation of the prognostic factors.
Methods: In 321 patients with breast cancer, the level of the serum tumor markers, CEA, CA15-3, and TPS, were determined preoperatively and during follow-up.
Results: The sensitivity and specificity of tumor markers in patients with breast cancer were: CEA 44.6%, 94%; CA15-3 51.8%, 99%; and TPS 66.07%, 94%. CA15-3 and TPS increased with tumor size, the number of involved lymph nodes and
progression of
grade. CEA, CA15-3 and TPS were not related to estrogen or progesterone receptor status. Tumor markers in cases of organ or multiple metastasis were higher than in cases of local recurrence. Increasing levels of tumor markers were independent of
the
site of metastasis, where elevated levels of CA15-3 were primarily related to visceral metastasis.
Conclusion: The preoperative serum concentration of CA 15-3 and TPS appears to have a significant relation to the outcome in patients with early-stage breast cancer and may have a potential role in the rational selection of high risk
patients for
whom additional treatment and careful follow-up studies should be undertaken. Postoperative serial measurements of plasma CEA, CA15-3 and TPS are a cost-effective method to detect recurrent breast cancer and the association of these tumor markers
may
provide tumor profiles with a predictive value superior to a single parameter.
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KEYWORD
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