目的 总结胰腺囊性肿瘤MSCT(多 层螺旋CT)及MRI(磁共振)影像学特点， 分析MSCT与MRI诊断及鉴别胰腺囊性肿瘤 的临床价值。方法 回顾性分析我院自 2012年5月-2015年6月收治的39例胰腺囊 性肿瘤患者的临床资料，所有患者均接 受MSCT及MRI检查，且影像学资料完整， 分析MSCT与MRI对胰腺囊性肿瘤钙化及 囊性成分的鉴别价值。结果 MRI诊断导 管内乳头状粘液性肿瘤(IPMN)准确率为 100.0%，高于MSCT的62.5%；MRI诊断胰 腺囊性肿瘤准确率为82.1%，高于MSCT的 61.5%(P<0.05)。结论 MSCT、MRI均可显 示胰腺囊性肿瘤血供及形态，MSCT在显示 囊壁附近及中心钙化方面优势好，MRI在 显示肿瘤囊性成分、壁结节及分隔方面有 优势。

Objective To summarize the imaging characteristics of MSCT (multi-slice spiral CT) and MRI (magnetic resonance imaging) of pancreatic cystic tumors and to analyze the clinical value of MSCT and MRI in diagnosing and differentiating pancreatic cystic tumors. Methods The clinical data of 39 patients with pancreatic cystic tumors who were treated in our hospital between May 2012 and June 2015 were analyzed retrospectively. All patients underwent MSCT and MRI examination and imaging data were complete. The differential value of MSCT and MRI in calcification and cystic components of pancreatic cystic tumors was analyzed. Results The accuracy of MRI in diagnosing intraductal papillary mucinous neoplasm (IPMN) (100.0%) was significantly higher than that of MSCT (62.5%). The accuracy of MRI in diagnosing pancreatic cystic tumors (82.1%) was higher than that of MSCT (61.5%) (P<0.05). Conclusion Both of MSCT and MRI can clearly show blood supply and shapes of pancreatic cystic tumors. MSCT is better at displaying calcification around cystic wall and in center while MRI is better at displaying tumor cystic components, wall nodules and separation.