A patient is presented with the biochemical abnormalities consistent with erythropoietic protoporphyria. Contrary to previous reports, however, his photocutaneous manifestations occur within the sunburn range while reacting normally to the Soret band range.
Stern WK, Gordon M, Urbach F. Erythropoietic Protoporphyria: An Unusual Variant Reacting Abnormally in the Erythema Spectrum. Arch Dermatol. 1969;99(6):730–733. doi:10.1001/archderm.1969.01610240088016
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