●最終診断：
　Biliary Hamartoma (Von Meyenburg Complex)

Biliary Hamartoma(Von Meyenburg Complex)
病因：発生過程での胆管の形成異常、過形成成熟した線維性結合織を伴う小胆管の小集簇像
頻度：剖検例の0.15-2.8％
Size: 0.1-10mm
CT: multiple hypodense lesions, super delayed enhancement
US: multiple small cysts, echogenic areas, comet tail artifact
MRI: T1WI low, T2WI high intensity

Moderator：佐々木真弓