A 34-Year-Old Man with Porphyria Cutanea Tarda

A 34-Year-Old Man with Porphyria Cutanea Tarda

Porphyria cutanea tarda is the most common form of porphyria. This hereditary or acquired metabolic disorder is due to decreased activity of the uroporphyrinogen decarboxylase enzyme. Typical features this scarcely reported entity are photosensitivity, skin fragility to minor trauma, bullae formation, and hyperpigmentation, predominantly on the dorsa of the hands and the arms.