Detección de lesiones preneoplásicas gástricas mediante niveles séricos de pepsinógeno en población chilena

Gastric cancer has a direct relation with chronicatrophic gastritis (AG) and intestinal metaplasia (IM), considered as preneoplastic lesions.Determination of serum pepsinogen I levels (PGI) and pepsinogen I / pepsinogen II ratio (PGI/PGII)can detect this conditions; achieving 70-90% of gastric cancer detection in early stages.