胰腺位于腹膜后,常规体检及影像学检查对胰腺疾病的诊断有一定的局限性。超声内镜(EUS)是一项比较成熟,并且具有较高临床应用价值的技术。与体表超声检查相比,内镜超声探头更接近病灶部位,能发现较小的病灶。此外,EUS结合其他影像学方法如频谱分析、弹性成像等新兴技术,为胰腺? Pancreas in the retroperitoneal, routine physical examination and imaging examination of the diagnosis of pancreatic diseases have some limitations. EUS is a relatively mature technology with high clinical value. Compared with the surface ultrasonography, endoscopic ultrasound probe closer to the lesion site, smaller lesions can be found. In addition, EUS combined with other imaging methods such as spectrum analysis, elastography and other emerging technologies for the pancreas?