目的分析并探讨CT在胃肠道间质瘤(GIST)的诊断和随访价值。方法回顾性分析27例经手术和病理证实的GIST患者的CT影像资料。结果 27例GIST中胃13例,小肠10例,直肠1例,后腹膜2例,肠系膜1例。CT表现为类圆形或不规则分叶状肿块,增强扫描呈均匀强化或不均匀强化。CT随访14例,6例复发,5例转移。结论 GIST的CT表现对术前诊断及术后随访具有重要价值。 Objective To analyze and discuss the value of CT in the diagnosis and follow-up of gastrointestinal stromal tumors (GIST). Methods A retrospective analysis of 27 cases of surgically and pathologically confirmed GIST patients CT image data. Results In the 27 cases of GIST, there were 13 cases of stomach, 10 cases of small intestine, 1 case of rectum, 2 cases of retroperitoneal and 1 case of mesentery. CT showed a round or irregular lobulated mass, enhanced scanning showed uniform or uneven enhancement. CT was followed up in 14 cases, 6 cases of recurrence, 5 cases of metastasis. Conclusion The CT findings of GIST have important value in preoperative diagnosis and postoperative follow-up.