MRI - MRCP
On MRCP sequence:
hypoplastic gallbladder with an average length measuring 1.2 x 0.8 cm (normal length >19 mm) with hepatomegaly
non-visualisation of the common hepatic duct, common bile duct, and intrahepatic duct
with increased periportal echogenicity is noted. overall features consistent with congenital biliary atresia (type 3 Kasai)