本文报告了口服甲苯胺蓝体内染色诊断胃癌的改进方法与初步结果。100例的观察、均经胃镜直观、活检病理组织或术后病理确诊。其中胃癌31例,28例染色阳性,占90.32％,溃疡型均着色,隆起型或平坦型部分着色,良性病变8.5％着色,其中良性溃疡着色者为4.3％,故本法有助于鉴别良恶性溃疡。使凸凹病变对比度及病变范围易于观察。 This article reports the improved methods and preliminary results of oral staining of toluidine blue for the diagnosis of gastric cancer. The observations of 100 cases were all confirmed by gastroscopy, biopsy pathology or postoperative pathology. There were 31 cases of gastric cancer, 28 cases of positive staining, accounting for 90.32%, ulcer type were colored, uplifted or flat part of the color, benign lesions 8.5% coloring, of which benign ulcer coloring was 4.3%, so this method is helpful to identify good Malignant ulcers. Make convex and concave lesion contrast and lesion range easy to observe.