Abnormal Liver Enhancement Hepatic enhancement in patients who are hypowolemic is unica iacicrogencous; une liver r ennances less than the spleen due to less sympathetic activity at the portal vein than other intra-abdominal vessels Increased entance- ment of intrahepatic vasculature(Figure 5) and intrahepatic perivascuiar oedema may be an associated finding. Hetero- geneous liver enhancement may also be seen in 4%-11.1% of patients who are hypovoiemic f8,13j