Answer of October 2005

Clinical History:

72 years old male, presents with deranged liver function tests.

Figure 1: Noncontrast CT scan of liver.

Figure 2: Contrast CT scan of liver during arterial phase.

Figure 3: Contrast CT scan of liver during portovenous phase.

Diagnosis:

Transient hepatic attenuation difference secondary to thrombosis of left branch of portal vein

Discussion:

Figure 1 : There is a curvilinear dense opacity in left lobe of liver.

Figure 2 : Intense enhancement of left lobe of liver compared with right lobe is seen.

Figure 3 : There is homogeneous enhancement of both lobes of liver.