窄带成像联合放大内镜诊断早期胃癌的VS分类标准

被引：13
|
作者：
姚方
机构：
[1] 北京协和医院消化内科
来源：
中华消化内镜杂志 | 2012年 / 07期
关键词：
D O I：
暂无
中图分类号：
R735.2 [胃肿瘤];
学科分类号：
摘要：
<正>窄带成像(narrow-band imaging,NBI)技术在2003年由日本工程师Gono首次提出。NBI内镜使用了优化的蓝色和绿色窄谱滤光片,使光源的波谱范围变窄、波长变短,通过对与人胃肠道黏膜具有可比性的人舌黏膜的血管形态的观察,确定蓝光(B)滤光片的中心波长为415 nm,谱宽30 nm,绿光(G)的中心波长为540 nm,谱宽20 nm。之所以采用这两种蓝光和绿光,基于以下原因:(1)血红蛋白作为黏膜内吸
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页码：361 / 363
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