人类与疾病的斗争史,也是人类历史中的重要一页。人们在日常生活中,难免总会患病,其中胃肠疾病也是常见的一类疾病。胃部疾病患者常被医生建议进行胃镜检查。关于胃镜,大家比较熟悉,但对于超声胃镜,还不是十分熟悉。胃镜检查能直接观察到被检查表面部位的真实情况,可以看到X射线不能显示的病变,但由于它基于的光学性质故只能显示腔内表面的形态,而具有非电离幅 The history of the struggle between man and disease is also an important page in human history. People in their daily lives, inevitably always sick, including gastrointestinal diseases is also a common disease. Gastric disease patients are often recommended by the doctor for gastroscopy. About gastroscopy, we are more familiar, but for ultrasound gastroscopy, is not yet very familiar. Gastroscopy can be directly observed the true situation of the surface to be examined, you can see the X-ray lesions can not be displayed, but because it is based on the optical properties so it can only show the shape of the cavity surface, and non-ionized amplitude