Category Gastrointestinal Imaging

Hepatic Transplantation

KEY FACTS Terminology Orthotopic liver transplantation (OLT) Imaging Allograft rejection No reliable imaging findings to suggest or confirm diagnosis Biliary leak From entry of T tube: Easily treated From biliary anastomosis: Requires revision From intrahepatic ducts: Biliary necrosis; catastrophic Biliary…

Budd-Chiari Syndrome

KEY FACTS Terminology Hepatic injury due to global or segmental hepatic venous outflow or inferior vena cava (IVC) obstruction Imaging Multiphasic CT, or MR [± gadoxetate (Eovist) enhancement] Characteristic findings: Nodular regenerative hyperplasia in dysmorphic liver with venous collateral and…

Portal Vein Occlusion

KEY FACTS Terminology Acute, chronic, or neoplastic occlusion of portal vein (PV) due to thrombosis, thrombophlebitis, or tumor invasion Chronic PV occlusion with numerous periportal collaterals is referred to as "cavernous transformation" Imaging Color Doppler US initially : Accurate and…