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[目的]探讨放大内镜观察胃窦孤立性隆起病变微血管变化对早期胃癌诊断的价值。[方法]收集118例常规胃镜观察下胃窦孤立性隆起糜烂病灶的患者,对该病变进行染色放大,观察其微血管改变。[结果]118例中,56例为慢性浅表性胃炎,50例为慢性萎缩性胃炎,12例为早期胃癌。慢性浅表性胃炎、慢性萎缩性胃炎患者微血管改变多为Ⅰ型、Ⅱ型;早期胃癌Ⅲ型、Ⅳ型微血管改变的患者显著多于慢性浅表性胃炎、慢性萎缩性胃炎患者(P<0.01)。[结论]微血管改变与临床病理特征密切相关,放大内镜可提高早期胃癌的检查率,且有助于判断癌变浸润深度。
[Objective] To investigate the value of magnifying endoscopy in the diagnosis of early gastric cancer by observing the changes of microvascular in isolated anterior segment of gastric antrum. [Method] A total of 118 patients with solitary erosive erosive lesions of the gastric antrum under conventional gastroscopy were collected. The lesions were stained and enlarged to observe the microvascular changes. [Results] Of 118 cases, 56 were chronic superficial gastritis, 50 were chronic atrophic gastritis, and 12 were early gastric cancer. The patients with chronic superficial gastritis and chronic atrophic gastritis were mostly type Ⅰ and type Ⅱ. The patients with type Ⅲ and type Ⅳ of early gastric cancer had significantly more microvascular changes than those with chronic superficial gastritis and chronic atrophic gastritis (P <0.01) ). [Conclusion] Microvessel changes are closely related to clinicopathological features. Magnifying endoscopy can improve the detection rate of early gastric cancer, and help to determine the depth of invasion of cancer.