In high risk population , HCC is best detected by

Diagnosis Focal lesion 1-2 cm: Two imaging techniques with aerial hypervascularization and venous wash out Focal lesion> 2cm: One imaging technique with aerial hypervascularization and venous washout Techniques to be considered : Dynamic CT and MRI Screening is based on regular ultrasound scanning in high risk population Biopsy proof of HCC is not required Ref: Sabiston 20th edition 1458-1463