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Diagnostic usefulness of serum group I pepsinogen determination

Diagnostic usefulness of serum group I pepsinogen determination

Gastroenterologie Clinique et Biologique 7(10): 793-798

In order to evaluate its clinical usefulness, serum pepsinogen I level was measured in a prospective study in unselected patients affected by endoscopically and histologically confirmed gastric or duodenal diseases. The mean level in controls was 63 +/- 26 ng/ml (M +/- SD) with no statistical difference between males and females, while it was significantly higher in smokers than in non-smokers (respectively 69 +/- 25 and 56 +/- 25 ng/ml). On the average in gastric ulcer patients it overlapped with controls (69 +/- 34 ng/ml), but in prepyloric ulcers its value was higher (81 +/- 45 ng/ml) than that found in ulcer of the gastric corpus (66 +/- 30 ng/ml). Serum pepsinogen I level was significantly higher in duodenal ulcer patients (81 +/- 33 ng/ml), in males as compared to females and in smokers as compared to non-smokers (respectively 91 +/- 32 and 67 +/- 26 ng/ml). Higher than normal values were found in one subject affected by the Zollinger-Ellison syndrome, and in patients with severe renal failure. Low and very low levels were found after partial and total gastrectomies and in A type atrophic gastritis. In the case of duodenal ulcer, serum pepsinogen I determination showed a 16 p. 100 sensitivity and a 96 p. 100 specificity, while for atrophic gastritis it showed an 87 p. 100 sensitivity and a 100 p. 100 specificity. It is concluded that, at present, the most important clinical application seems to be its screening value in the detection of atrophic gastritis and consequently its potential use to detect populations at increased risk for gastric cancer.

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Accession: 042804813

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PMID: 6628912

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