title: Solar urticaria and disturbed metabolism of porphyrins.
abstract: We report on a case of solar urticaria with elevated protoporphyrin in the stool. No other evidence for an erythropoietic protoporphyria could be found.
authors.affiliation: Department of Dermatology, Free University Hospital, Amsterdam, The Netherlands.
authors.forename: R C
authors.initials: RC
authors.lastname: Beljaards
authors.forename: D P
authors.initials: DP
authors.lastname: Bruynzeel
mesh_terms: D000328:Adult; D005243:Feces / Q000737:chemistry; D006801:Humans; D008297:Male; D011166:Porphyrins / Q000378:metabolism*; D011524:Protoporphyrins / Q000378:metabolism; D013472:Sunlight / Q000009:adverse effects*; D014581:Urticaria / Q000209:etiology*
chemical_list: D011166:Porphyrins; D011524:Protoporphyrins