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本文报告经纤维胃镜,使用甲苯胺兰溶液直接撒染的诊断价值。检查前1小时,口服粘液溶解剂80毫升(胰蛋白酶2.5毫克、碳酸氢钠1克及O.2％二甲基硅油乳剂80毫升),让病人转动体位15～20分钟。在术前常规给药与局麻后,进行胃镜检查,对胃粘膜作全面观察,然后用2％甲苯胺兰5～10毫升,经插管直接撒染胃粘膜,继用1％酯酸液冲洗,以便使未被粘膜摄取的染料脱色。观察粘膜着色程度,定为0～++++。本组118例的染色结果见下表。从表可见:内窥镜所见胃粘膜正常者、胃炎、胃溃疡边缘、溃疡疤痕及良性息肉,着色较浅为0～++,胃炎伴肠腺化生全部着色为++～+++,而6例恶性病变则均着色++++。必须指出,肠腺化生着色不超过+++,其着色持续时间不超过1小时,但恶性病变着
This article reports the diagnostic value of fiber gastroscopy, the direct use of toluidine blue solution spill. One hour before the test, 80 ml of oral mucolytic agent (2.5 mg of trypsin, 1 g of sodium bicarbonate and 80 ml of O.2% simethicone emulsion) is allowed to rotate for 15 to 20 minutes. Gastroscopy was performed on the gastric mucosa after conventional administration with local anesthesia and 5 to 10 ml of 2% toluidine blue were administered directly to the gastric mucosa through an intubation tube followed by 1% ester acid solution Flush to discolor the dye that is not ingested by the mucosa. Observed mucosal staining, set at 0 ~ ++++. The group of 118 cases of staining results in the table below. Visible from the table: normal endoscopic gastric mucosa, gastritis, gastric ulcer margins, ulcer scars and benign polyps, coloration of the shallow 0 ~ ++, gastritis with intestinal metaplasia all coloring ++ ~ +++ , While 6 cases of malignant lesions were coloring ++++. It must be noted that gut gland metaplasia does not color more than +++ and its duration of coloring does not exceed 1 hour, but malignant lesions