Pseudoporphyria

Pseudoporphyria
Other namesPseudoporphyria cutanea tarda
Healing blisters on the hand of a woman using naproxen and tanning booth
SpecialtyEndocrinology 

Pseudoporphyria is a bullous photosensitivity that clinically and histologically mimics porphyria cutanea tarda.:524 The difference is that no abnormalities in urine or serum porphyrin is noted on laboratories. Pseudoporphyria has been reported in patients with chronic kidney failure treated with hemodialysis and in those with excessive exposure to ultraviolet A (UV-A) by tanning beds.