The Role of CEA and Liver Function Tests in Detecting Liver Metastases from Colorectal Cancer
Author Information
Author(s): G. Bonfanti, Luigia Bombelli, F. Bozzetti, R. Doci, L. Gennari, D. Koukouras
Primary Institution: Istituto Nazionale Tumori
Hypothesis
What is the role of CEA and liver function tests in the pre-operative detection of liver metastases in patients with primary colorectal cancer?
Conclusion
CEA is the most sensitive test for detecting liver metastases, but no single test is reliably predictive when results are abnormal.
Supporting Evidence
- CEA was the most sensitive test with a sensitivity of 71%.
- Only 13.7% of patients had liver metastases at laparotomy.
- When all tests were normal, the probability of finding liver metastases was only 2 out of 59 patients.
- Ultrasonography had a sensitivity of only 50% in detecting liver metastases.
- The predictive value of having all five tests abnormal was 100% for liver metastases.
Takeaway
Doctors used blood tests to check for liver cancer spread in patients with colon cancer, and found that if all tests are normal, it's very unlikely there are any liver metastases.
Methodology
Retrospective analysis of records from 278 patients with primary colorectal cancer who underwent laparotomy.
Potential Biases
Potential bias in the selection of patients and the retrospective nature of the study.
Limitations
The study is retrospective and may not account for all variables affecting test results.
Participant Demographics
Patients were primarily adults with invasive colorectal cancer, with a mean age of 58.6 years.
Statistical Information
Confidence Interval
95% confidence limits of 89%-99%
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