title: Image of the month: Caroli syndrome: central dot sign on CT.
authors: Niguarda Ca' Granda Hospital, Milan, Italy.
authors: Giovanni
authors: G
authors: Perricone
mesh_terms: D001653:Bile Ducts, Intrahepatic / Q000000981:diagnostic imaging* / Q000473:pathology*; D016767:Caroli Disease / Q000000981:diagnostic imaging*; D003287:Contrast Media; D004108:Dilatation, Pathologic / Q000000981:diagnostic imaging; D006801:Humans; D014057:Tomography, X-Ray Computed / Q000379:methods
chemical_list: D003287:Contrast Media