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Region Hovedstaden - en del af Københavns Universitetshospital

A novel method for monitoring high-risk breast cancer with tumor markers: CA 15.3 compared to CEA and TPA

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BACKGROUND: An early and reliable diagnosis of metastatic spread has increased interest in serum tumor markers. This study investigated the ability of CA 15.3, CEA, and TPA to identify, predict, and exclude metastases in bone/viscera during adjuvant treatment and follow-up of high-risk breast cancer.

METHODS: Ninety females with high-risk breast cancer were included in the study. Response evaluation was based upon clinical examination, x-rays or histology and elaborated marker criteria.

RESULTS: During the marker monitoring period, metastases in four patients were confined to skin or lymph nodes, 21 developed metastases to bone/viscera, and 65 females had no evidence of metastases. CA 15.3, CEA, and TPA correctly classified 48%, 10%, and 19% of the patients with metastases in bone/viscera, and 100%, 94%, and 98% without. Following CA 15.3, CEA, and TPA recurrence, 100%, 33%, and 60% of the patients developed metastases in bone/viscera. Metastases in bone/viscera were excluded in 86%, 76%, and 79% of patients without CA 15.3, CEA, and TPA recurrence.

CONCLUSION: Only CA 15.3 gave reliable information about recurrence. Metastases in bone/viscera were identified in 10 of the 21 patients with CA 15.3. There was no false-positive CA 15.3 information on the 65 patients without clinical recurrence. The PVneg (86%) indicated that when CA 15.3 did not signal recurrence, metastases to bone/viscera were not likely.

TidsskriftAnnals of Oncology
Udgave nummer10
Sider (fra-til)861-9
Antal sider9
StatusUdgivet - dec. 1993

ID: 49288345