Clinical applications of serum tumor markers

S E Bates ¹

⁰National Cancer Institute, National Institutes of Health, Bethesda, Maryland.

Annals of Internal Medicine +

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October 15, 1991

View abstract on PubMed

Summary

Tumor markers aid in cancer care, offering value in screening, diagnosis, prognosis, treatment monitoring, and relapse detection. While not ideal for all cancers, understanding their capabilities and limitations ensures judicious use in oncology.

Area Of Science

Oncology
Biomarkers
Cancer Diagnostics

Background

Numerous tumor marker tests exist for cancer diagnosis and management.
Tumor markers have diverse applications including screening, diagnosis, prognosis, and monitoring treatment efficacy.
The utility of a tumor marker hinges on its sensitivity, specificity, and the effectiveness of cancer therapy.

Purpose Of The Study

To review the applications and limitations of tumor markers in patient care.
To highlight the importance of understanding marker characteristics for effective clinical use.
To emphasize the role of tumor markers in monitoring cancer treatment and detecting relapse.

Main Methods

Review of existing literature on tumor marker utility.
Analysis of marker characteristics such as sensitivity and specificity.
Evaluation of marker performance in different cancer management settings.

Main Results

Tumor markers are valuable in selected cancer screenings but have limitations as diagnostic tools.
Extreme marker elevation often correlates with poor prognosis and may necessitate aggressive treatment.
Tumor markers demonstrate greatest utility in monitoring therapy for widespread cancer and detecting recurrence.

Conclusions

While an ideal tumor marker for every malignancy remains elusive, several functional markers are available.
Judicious use of existing tumor markers is crucial for effective cancer treatment.
Enhanced understanding of tumor marker capabilities and limitations optimizes their application in oncology.

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