本文总结了经ＣＴ检查并经手术及病理证实的无功能胰岛细胞瘤９例，分析其ＣＴ征象，指出典型的无功能胰岛细胞瘤瘤体较大，对周围脏器有推压征象，ＣＴ平扫为低密度肿块病变，大多数病例瘤体内可有不同程度的钙化。造影后病变无明显增强，其包膜有间断的不规则增强。同时作者还强调本病青年女性多见，胃肠钡餐检查对鉴别胃源性肿块也很重要。 This article summarizes 9 cases of non-functional islet cell tumor confirmed by operation and pathology after CT examination and analyzes the CT signs. It points out that the typical non-functioning islet cell tumor is large, there are signs of pressure on the surrounding organs, CT level Sweep for low-density mass lesions, most cases have different degrees of calcification in the tumor body. After angiography no significant enhancement of the lesion, the capsule has intermittent irregular enhancement. At the same time the author also stressed that the disease more common in young women, gastrointestinal barium meal examination is also important to identify gastric mass.