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目的探讨MRI对十二指肠乳头癌的诊断价值。方法回顾性分析经病理组织学检查证实的22例十二指肠乳头癌的MRI及MRCP表现,包括肠乳头区病灶、胰胆管扩张、胆管梗阻等改变。结果MRI显示22例中十二指肠乳头部肿块14例、十二指肠肠壁增厚8例;MRCP见肝内外胆管中重度扩张14例,轻度扩张6例,无扩张2例;梗阻端呈截断中断改变12例,“鸟嘴状”狭窄4例,未见明显梗阻6例。结论MRI结合MRCP是诊断十二指肠乳头癌的一种敏感且无创伤性的检查方法。
Objective To investigate the diagnostic value of MRI for duodenal papillary carcinoma. Methods The MRI and MRCP manifestations of 22 cases of duodenal papilla confirmed by histopathology were analyzed retrospectively. The lesions including the lesions of the papillary ducts, the enlargement of the pancreaticobiliary duct and the obstruction of the bile duct were analyzed retrospectively. Results MRI showed 14 cases of duodenal papilla mass and 8 cases of duodenal wall thickening in 22 cases. MRCP showed moderate and severe intrahepatic bile duct expansion in 14 cases, mild dilatation in 6 cases and no dilatation in 2 cases. End interruption was interrupted in 12 cases, “beak-like ” stenosis in 4 cases, no significant obstruction in 6 cases. Conclusion MRI combined with MRCP is a sensitive and non-invasive method for the diagnosis of duodenal papillary carcinoma.