CAJ | 학술논문

目的：总结胆管错构瘤的CT及MRI表现，对比分析并发感染病例病灶的治疗前后改变，以提高对该病影像检查及诊断的认识。方法回顾性研究我院诊治的10例胆管错构瘤患者的资料，分析胆管错构瘤病变的CT、MRI表现特点，对并发感染病例的治疗前后变化进行对比分析。结果胆管错构瘤的CT平扫表现为散在或弥漫性分布的低密度灶，增强扫描无强化；MRI平扫T2WI序列能敏感的显示呈明显高信号的囊性病变；MRCP立体的显示弥漫性病变，所有病变与肝内胆管树不相通；并发感染后病灶边界变模糊。结论单纯CT检查对胆管错构瘤的诊断有一定局限性，常规MRI平扫及MRCP检查较CT检查有明显优势，对诊断的确立具有重要价值，同时应特别注意并发感染后病灶的变化。
목적：총결담관착구류적CT급MRI표현，대비분석병발감염병례병조적치료전후개변，이제고대해병영상검사급진단적인식。방법회고성연구아원진치적10례담관착구류환자적자료，분석담관착구류병변적CT、MRI표현특점，대병발감염병례적치료전후변화진행대비분석。결과담관착구류적CT평소표현위산재혹미만성분포적저밀도조，증강소묘무강화；MRI평소T2WI서렬능민감적현시정명현고신호적낭성병변；MRCP입체적현시미만성병변，소유병변여간내담관수불상통；병발감염후병조변계변모호。결론단순CT검사대담관착구류적진단유일정국한성，상규MRI평소급MRCP검사교CT검사유명현우세，대진단적학립구유중요개치，동시응특별주의병발감염후병조적변화。
Objective To summarize computed tomography (CT) and magnetic resonance (MR) imaging features of multiple bile duct hamartomas (BDH) and analysis changes of lesions with concurrent infection before and after treatment on MRI and CT to improve understanding of the imaging findings of the disease.Methods This retrospective study reviewed CT and MR imaging findings of ten patients with multiple bile duct hamartomas in our hospital and compared the difference of imaging findings before and after therapy in those with infection.Results Non-contrasted enhanced CT images of multiple bile duct hamartomas showed scattered or diffuse low density lesions with no enhancement; T2 weighted imaging (T2WI) was sensitivity to detect cystic lesion with significantly higher signal. Diffuse liver disease could be well displayed by Magnetic Resonance Cholangiopancreatography (MRCP), and all lesions were without intrahepatic biliary communication and have irregular borders when concurrent infection.Conclusion CT examination is limited in the diagnosis of biliary hamartomas, and conventional non-contrasted MRI and MRCP examinations have great value and show some advantages in the diagnosis of multiple bile duct hamartomas compared to CT, while we should pay more attention to the change of imaging findings of those with concurrent infection.