title: Contact sensitivity to lichens and compositae in Frullania dermatitis.
abstract: 48 patients with allergic contact dermatitis from Frullania were patch tested with a lichen mix, compositae and lichen acids. 27 were sensitive to Frullania and lichens. Parmelia caperata and Parmelia reticulata were positive in all, and in a descending order of positivity: Pseudovernia furfuracea, Evernia prunastri, Usnea spp, Ramalina lusitanica. d-Usnic and evernic acids and atranorin were the main responsible allergens.
mesh_terms: D000328:Adult; D000368:Aged; D003429:Cross Reactions; D003877:Dermatitis, Contact / Q000209:etiology*; D005260:Female; D006801:Humans; D008011:Lichens; D008297:Male; D008875:Middle Aged; D010328:Patch Tests