胰岛素瘤是一种相对罕见的内分泌肿瘤，９０％为良性和单发，Ｗｈｉｐｐｌｅ三联症和胰岛素／血糖＞０．３，是定性诊断的重要指标，一旦确诊即有手术指征。但术前定位对提高手术成功率、减少术中损伤、缩短手术时间有极为重要的意义。定位方法虽多，但各有利弊。为此，我们首 Insulinoma is a relatively rare endocrine tumour with 90% benign and single, Whipple triad, and insulin/blood glucose >0.3. It is an important indicator of qualitative diagnosis. Once diagnosed, there will be surgical indications. However, preoperative positioning is of great importance to improve the success rate of surgery, reduce intraoperative damage, and shorten the operation time. Although there are many positioning methods, they have advantages and disadvantages. To this end, we are the first