Cancer Epidemiology Biomarkers & Prevention, Vol 2, Issue 2 113-117, Copyright © 1993 by American Association for Cancer Research

ARTICLES

Serum pepsinogens in relation to precancerous gastric lesions in a population at high risk for gastric cancer

WC You, WJ Blot, L Zhang, RW Kneller, JY Li, ML Jin, YS Chang, XR Zeng, L Zhao and JF Fraumeni Jr
Beijing Institute for Cancer Research, China.

Concentrations of serum pepsinogens (PG) I and II were determined for 3252 randomly selected adults who participated in a population-based gastroscopic screening in an area of China with one of the world's highest rates of gastric cancer. PG I and II concentrations in both sexes tended to be higher than reported in other countries, with levels generally higher among males than females. PG I tended to decrease and PG II to increase with age, but the most pronounced associations were between PG I:II ratios and gastric histology. Median PG I:II ratios monotonically declined from 9.1 to 7.2 to 5.7 to 5.4 to 3.8 among those with superficial gastritis, chronic atrophic gastritis, intestinal metaplasia, dysplasia, and stomach cancer, respectively. The prevalence of dysplasia was nearly 3 times greater among those with PG I:II ratios less than 3 compared with those whose PG I:II ratios were greater than 10. While average levels differed significantly among the histologic groups, the PG I:II ratios were neither sensitive nor specific markers of an individual's likelihood of advanced gastric lesions in this population.

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