原发性胆囊癌的MRI、MRCP诊断分析

目的 分析原发性胆囊癌的MRI、MRCP表现. 方法 回顾性分析经手术病理证实的87例原发性胆囊癌的MRI 及MRCP资料.结果 原发性胆囊癌在MRI上分4型:胆囊壁增厚型( 35例),乳头结节型(17例),肿块型(25例),混合型(10例)( 壁增厚及结节).病检显示肿瘤合并慢性胆囊炎及胆囊结石者69例(79.31%).与手术结果相比,MRI诊断的确诊率为46/50(92%),MRCP为13/19(68.4%),两者联合为80/82(97.6%).在显示胆囊癌直接浸润肝脏者25/32(78.12%),肝脏转移17/19(89.47%),淋巴转移28/34(82.35%),腹内远处转移13/13(100%)以及胆管受侵25/26(96.15%). 结论 MRI结合MRCP对胆囊癌的诊断具有重要意义.

MRI and MRCP Diagnosis of Primary Gallbladder Carcinoma

Objective To analyse MRI and MRCP features of primary gallbladder carcinoma.Methods MRI and MRCP data of 87 cases with gallbladder carcinoma confirmed by operation and pathology were studied retrospectively.Results Four patterns of gallbladder carcinomas were found by MRI:wall thickening (35 cases),papillary nodular(17 cases),mass-type (25 cases) and mixed (wall thickening and nodular) (10 cases).Pathology showed the tumors in combination with chronic cholecystitis and cholecystolithiasis in 69 cases(79.31%).In comparison with that of operations,the accurate diagnostic rates were 46/50(92%) with MR imaging,13/19(68.4%) with MRCP and 80/82(97.6%) in combination with both MR imaging and MRCP.The other features included:hepatic invasion directly by gallbladder cancer in 25/32(78.12%),liver metastases in 17/19(89.47%),lymph node metastases in 28/34(82.35%),intra-adbominal distant metastases in 13/13(100%) and invasion of bile ducts in 25/26(96.15%).Conclusion MRI combined with MRCP is of significant value in diagnosing gallbladder carcinoma.