title: Allergic contact dermatitis to methyl aminolevulinate after photodynamic therapy in 9 patients.
abstract: This report describes 9 patients who developed allergic contact dermatitis to methyl aminolevulinate used for photodynamic therapy (PDT). The risk of developing contact allergy to methyl aminolevulinate in PDT treated patients was calculated to 1% after an average of 7 treatments (range 2-21).
authors.affiliation: Department of Dermatology and Allergy Center, Odense University Hospital, University of Southern Denmark, DK-5000 Odense, Denmark.
authors.forename: Thomas
authors.initials: T
authors.lastname: Hohwy
authors.forename: Klaus Ejner
authors.initials: KE
authors.lastname: Andersen
authors.forename: Henrik
authors.initials: H
authors.lastname: Sølvsten
authors.forename: Mette
authors.initials: M
authors.lastname: Sommerlund
mesh_terms: D000328:Adult; D000368:Aged; D000485:Allergens / Q000009:adverse effects*; D000622:Aminolevulinic Acid / Q000009:adverse effects / Q000031:analogs & derivatives*; D017449:Dermatitis, Allergic Contact / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology; D003937:Diagnosis, Differential; D005148:Facial Dermatoses / Q000139:chemically induced / Q000175:diagnosis* / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010328:Patch Tests; D010778:Photochemotherapy / Q000009:adverse effects*; D017319:Photosensitizing Agents / Q000009:adverse effects*
chemical_list: D000485:Allergens; D017319:Photosensitizing Agents; C475457:methyl 5-aminolevulinate; D000622:Aminolevulinic Acid