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The new modified ABCD method for gastric neoplasm screening.

Chan Hyuk Park1, Eun Hye Kim1, Da Hyun Jung1

  • 1Division of Gastroenterology, Department of Internal Medicine, Severance Hospital, Institute of Gastroenterology, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 120-752, Republic of Korea.

Gastric Cancer : Official Journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association
|February 10, 2015
PubMed
Summary

A modified ABCD screening method effectively predicts gastric neoplasms, including adenomas and cancers. This approach uses Helicobacter pylori antibody status to refine risk stratification for early detection.

Keywords:
ABCD methodGastric adenomaGastric cancerIgG anti-Helicobacter pylori antibodyPepsinogen

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Area of Science:

  • Gastroenterology
  • Oncology
  • Medical Diagnostics

Background:

  • The ABCD screening method is established for gastric cancer risk stratification.
  • Its efficacy in predicting broader gastric neoplasms, such as adenomas, requires further investigation.

Purpose of the Study:

  • To adapt the ABCD method for predicting gastric neoplasms, including adenomas and cancers.
  • To evaluate the modified ABCD method's predictive value.

Main Methods:

  • Analysis of 562 patients undergoing endoscopy with available data on H. pylori antibodies, gastrin, and pepsinogen (PG) I and II levels.
  • Classification into four groups based on H. pylori status and PG levels.
  • Calculation of PG I/PG II ratios and determination of optimal cutoff values stratified by H. pylori antibody status.

Main Results:

  • Lower PG I/PG II ratios were observed in patients with gastric neoplasms (adenoma, cancer) compared to those without.
  • Optimal PG I/PG II cutoff values for predicting gastric neoplasms were identified as 3.1 for H. pylori-negative and 4.1 for H. pylori-positive patients.
  • Higher ABCD group grades significantly correlated with an increased proportion of gastric neoplasms.

Conclusions:

  • A modified ABCD method, incorporating H. pylori antibody status with distinct PG I/PG II cutoff values, shows utility in predicting gastric neoplasms.
  • This enhanced screening tool may aid in the early detection of both gastric adenoma and gastric cancer.
  • Further research is necessary to confirm these findings and establish definitive clinical application.