Hepatic porphyriaHepatic porphyrias is a form of porphyria in which toxic porphyrin molecules build up in the liver. Hepatic porphyrias can result from a number of different enzyme deficiencies.Examples include : Acute intermittent porphyria Porphyria cutanea tarda and Hepatoerythropoietic porphyria Hereditary coproporphyria Variegate porphyria