Korean J Helicobacter Up Gastrointest Res.  2013 Mar;13(1):36-43. 10.7704/kjhugr.2013.13.1.36.

Four Endoscopic Predictors of Carcinoma as a Final Diagnosis after Endoscopic Resection of Forceps Biopsy-proven Gastric Adenomas

Affiliations
  • 1Department of Internal Medicine, Kosin University College of Medicine, Busan, Korea.
  • 2Department of Pathology, Kosin University College of Medicine, Busan, Korea.
  • 3Department of Internal Medicine, The Catholic University of Korea College of Medicine, Seoul, Korea. drhhkim@gmail.com

Abstract

BACKGROUND/AIMS
Previous studies have reported that the frequency of re-diagnosing as carcinoma after endoscopic resection of gastric adenoma ranges between 6% and 47%. Therefore, specific endoscopic findings have been used to predict re-diagnosing as carcinoma after endoscopic resection of gastric adenoma at our center. We evaluated whether there is a use for these indicators for predicting carcinoma as a final diagnosis in forceps biopsy-proven adenomas.
MATERIALS AND METHODS
We investigated 378 tissue samples from 308 patients. Classification of specimens as adenoma and carcinoma was based on postresection specimen. Endoscopic findings were reviewed for tumor location, size, gross appearance, surface nodularity, central concavity, surface color, and presence of ulcers. These variables were analyzed and compared between the adenoma group (275 cases) and the carcinoma group (103 cases), assigned based on post-resection diagnosis.
RESULTS
The mean patient age was 61, and 227 of the patients were male. The mean lesion diameter was 14.9+/-8.1 mm in the adenoma group and 17.9+/-9.3 mm in the carcinoma group. A lesion size of 15 mm or greater, depressed appearance, surface nodularity, central concavity, and presence of high-grade dysplasia were all independently associated with re-diagnosing as carcinoma after endoscopic resection.
CONCLUSIONS
Lesion size of 15 mm or greater, depressed-type appearance, central concavity, and nodular surface are feasible predictors of carcinoma as a final diagnosis in forceps biopsy-proven adenomas. Physicians need to recommend immediate endoscopic resection for forceps biopsy-proven adenomas with these four independent features so as not to miss the optimal window for treatment.

Keyword

Stomach; Adenoma; Carcinoma; Endoscopic; Treatment

MeSH Terms

Adenoma
Humans
Male
Stomach
Surgical Instruments
Ulcer
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