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纤维胃镜的发展和广泛应用,对胃癌已进展到早期诊断的阶段。但是,对癌灶6~10mm的小胃癌和癌灶<5mm的微小胃癌,肉眼观察的诊断率一般不到50％。冈崎氏分析44个病灶,肉眼观察漏、误诊率为31.82％,为此提出使用胃粘膜染色和扩大胃镜等方法,以期提高内窥镜的诊断率。为了探索早期微小胃癌的术前诊断,本文采用铃木氏口服美蓝胃粘膜染色法纤维胃镜检查(简称染色胃镜),并在用药剂量、时间上加以改良;同时加以同样染色后进行术中观察
The development and widespread use of fiber gastroscopes has progressed to the stage of early diagnosis of gastric cancer. However, the diagnostic rate of macroscopic observation is generally less than 50% for small stomach cancers with 6 to 10 mm foci and micro-gastric cancers with <5 mm foci. There were 44 lesions analyzed by Okazaki. The rate of misdiagnosis and misdiagnosis was 31.82% with naked eyes. For this reason, gastric mucosal staining and gastroscopy were used to increase the diagnostic rate of endoscopy. In order to explore the preoperative diagnosis of early small gastric cancer, this study used Suzuki oral methylene blue gastric mucosal staining fiberoptic gastroscopy (abbreviated as dye gastroscopy), and improved the dose and time of use; the same staining was performed after intraoperative observation