UROD and hepatoerythropoietic porphyria: UROD mutation homozygosity or compound heterozygosity causes the rare hepatoerythropoietic porphyria (HEP), which presents with pink/red-colored urine, bullous skin lesions on light-exposed areas of the skin, hypertrichosis, skin fragility, and disfiguring skin thickening/scarring [12], [13].