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目的 探讨胆管错构瘤的病理表现特征及核磁共振(MRI)影像学表现,旨在提高胆管错构瘤的MRI诊断水平和临床确诊率.方法 选取4例成人胆管错构瘤患者作为研究对象,对其进行病理学检查和MRI影像学检查.结果 T1WI呈低信号,信号低于肝实质,T2WI病灶清晰,呈明显的高信号.在Gd-DTPA动态增强扫描延迟期,部分未见强化,部分病灶边缘出现稍高信号的薄壁强化.结论 MRI影像学检查能够对该病进行明确的诊断.“,”Objective To investigate the MRI findings and pathological study of multiple biliary hamartoma in order to improve the MRI diagnostic level and provide theoretical basis for the definite diagnosis of the disease.Methods The MRI findings and pathological study of multiple biliary hamartoma in 4 cases were retrospectively analyzed.Results Lesions were low signal intensity on T1WI and high signal intensity on T2WI.Delay in Gd-DTPA dynamic enhanced scan,part lesions appeared a little higher signal of thin wall reinforcement,part not seen.Conclusions MRI can clearly show the characteristics of this disease,and confirm the diagnosis.