The Role of Chromoendoscopy with Toluidine Blue for Diagnosis of Gastric Cancer and Precancerous Change / 医学研究杂志

ABSTRACT

Objective To study the role of chromoendoscopy with toluidine blue to diagnose gastric cancer and precancerous change.Methods572 cases were randomized into two groups.288 cases in testing group took gastroscopy with 0.1% toluidine blue sprinkles,while ordinary gastroscopy was applied in 284 cases of control group.We took biopsy in all of those cases for pathology examination.The biopsy was taken from heterochrome area if heterochrome area appeared in testing group,otherwise from suspected affection.ResultsDetection rate of gastric cancer of test groups(9.72%)was higher than that of control groups(5.28%).Both of the methods were significantly different(P