Porphyrinuria in congenital erythropoietic porphyria (CEP)

Images of ultraviolet (UV) light-illuminated urine from a person with CEP (left) and a person without porphyria (right). Urine in CEP fluoresces red.

Reproduced with of American Society of Hematology, from: Balwani M, Desnick RJ. The porphyrias: advances in diagnosis and treatment. Blood 2012; 120:4496; permission conveyed through Copyright Clearance Center, Inc.

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