Carcinoembryonic antigen (CEA) levels were determined in 252 gastric cancer patients. In patients with resectable cancer, the preoperative CEA values and CEA positivity rates were 2.4 ± 1.5 ng/ml and 7.7% for stage I, 24.9 ± 72.0 ng/ml and 10.0% for stage II, 21.6 ± 84.1 ng/ml and 17.9% for stage III, and 6.3 ± 8.4 ng/ml and 27.1% for stage IV cancers, respectively. In patients with nonresectable cancers, the CEA value was 83.0 ± 235.5 ng/ml, the CEA positivity rate was 47.8%. Overall, of 252 patients with primary gastric cancer, 47(18.7%) were positive for CEA. In patients with cancer recurrence, the CEA value averaged 41.8 ± 101.8 ng/ml, the positivity rate was 63%. This rate increased as the cancer stage increased; it was highest in gastric cancer patients with liver metastasis. In 4 of 13 patients with recurrence, an elevation in CEA was observed about 4.8 months before the clinical detection of cancer recurrence. Our results suggest that in gastric cancer patients, the preoperative and periodic postoperative assay of CEA levels has predictive value in determining cancer stage, progression and recurrence.

Keywords:
Carcinoembryonic antigen, Gastric cancer
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© 1987 S. Karger AG, Basel
1987
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