Comparison of a new tumour marker CA 242 with CA 19-9, CA 50 and carcinoembryonic antigen (CEA) in digestive tract diseases
1991

Comparison of CA 242 Tumor Marker in Digestive Tract Diseases

Sample size: 308 publication Evidence: moderate

Author Information

Author(s): P. Kuusela, C. Haglund, P.J. Roberts

Primary Institution: University of Helsinki

Hypothesis

The study aims to compare the levels of CA 242 with other tumor markers in patients with digestive tract diseases.

Conclusion

CA 242 is a promising new tumor marker that may be useful in diagnosing pancreatic, biliary, and colorectal cancers.

Supporting Evidence

  • 68% of patients with pancreatic and biliary cancers had elevated CA 242 levels.
  • CA 242 detected more Dukes A-B carcinomas than CEA.
  • 55% of patients with colorectal cancer had elevated CA 242 levels.

Takeaway

CA 242 is a new test that helps doctors find certain types of cancer in the stomach and intestines, and it works better than some older tests.

Methodology

Serum levels of CA 242, CA 19-9, CA 50, and CEA were measured in patients with digestive tract malignancies and benign diseases.

Potential Biases

Potential for falsely positive results in benign conditions affecting the interpretation of CA 242 levels.

Limitations

The study did not include patients receiving chemotherapy, which may limit the generalizability of the findings.

Participant Demographics

185 patients with malignancies and 123 patients with benign digestive tract diseases.

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