Porphyria Cutanea Tarda, Type I, also known as sporadic porphyria cutanea tarda, is related to porphyria cutanea tarda and porphyria. An important gene associated with Porphyria Cutanea Tarda, Type I is HFE (Homeostatic Iron Regulator). Affiliated tissues include liver and skin, and related phenotypes are hepatic fibrosis and eczema