Case 111: Hereditary Hemochromatosis (HH)

Diagnostic Categories:

Clinical Presentation:

47 year old man with cirrhosis.

CT: High attenuation of liver parenchyma

Imaging Findings:

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.