Liver transplantation is considered the ideal and definitive therapy for patients with end-stage liver disease. Since 1963 advances in liver transplant surgical techniques and immunosuppressive therapies have improved outcomes and patients' survival. However, early diagnosis of graft dysfunction, through different imaging modalities, is crucial for graft survival. Imaging plays a fundamental role before, during and after the transplantation process. In this review, we will discuss the importance of imaging in the diagnosis of vascular and biliary post-transplant complications through different imaging modalities such as Doppler ultrasonography, computed tomography (CT) and magnetic resonance imaging (MRI).

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