Magnifying endoscopy for diagnosing and delineating early gastric cancer
Magnifying endoscopy for diagnosing and delineating early gastric cancer
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DOI：
10.1055/s-0029-1214594
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发表时间：
2009-05-01
期刊：
影响因子：
9.3
通讯作者：
Ragunath, K.
中科院分区：
文献类型：
--
作者：
Yao, K.;Anagnostopoulos, G. K.;Ragunath, K.
目标过去，胃部放大内窥镜检查被认为很困难。胃腔较宽，很难近距离观察；由于蠕动、主动脉搏动和呼吸引起的运动会干扰注意力；胃粘液常常损害放大观察。更重要的是，内窥镜的光学分辨率不足以清晰地显示粘膜表面和血管，并且尚未建立理解放大内窥镜检查结果的原则和指南[1]。然而，近年来，放大内窥镜检查的进展使内窥镜医生能够在不使用造影剂的情况下观察胃浅表病变内的微血管结构和微表面结构[1]。本文介绍放大内窥镜在早期胃癌检测和描绘中的临床应用。
ObjectivesIn the past, magnifying endoscopy in the stomach was considered difficult. The wide lumen of the stomach makes it difficult to obtain a very close view; movement due to peristalsis, aortic pulsation, and respiration, disturbs focusing; and gastric mucus often impairs magnifying observation. More importantly, the optical resolution of endoscopes was insufficient for clear visualization of the mucosal surface and blood vessels, and the principles and guidelines for understanding magnified endoscopic findings had not been established [1]. In recent years, however, progress in magnifying endoscopy has enabled the endoscopist to visualize both the microvascular architecture and the microsurface structure within superficial gastric lesions without the use of contrast material [1]. Herein we describe the clinical application of magnifying endoscopy to the detection and delineation of early gastric cancer.