Case 111: Hereditary Hemochromatosis (HH)
47 year old man with cirrhosis.
CT: High attenuation of liver parenchyma
Biopsy proven hemochromatosis, C282Y homozygote genotype. CT shows attenuation coefficient of the unenhanced liver of 90HU (45-75HU is normal). Note that liver is cirrhotic and has higher attenuation than blood pool even on equilibrium phase.