title: Lichenoid photocontact dermatitis to musk ambrette.
abstract: A patient is described with a pigmentary dermatitis of the face with histological features of a lichenoid reaction, which proved to be a photocontact dermatitis to musk ambrette. Photopatch tests produced a pigmented dermatitis that reflected the clinical and histological features of a lichenoid reaction, which occurred 1 month after application.
mesh_terms: D004136:Dinitrobenzenes / Q000009:adverse effects*; D006801:Humans; D008010:Lichen Planus / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D009578:Nitrobenzenes / Q000009:adverse effects*; D010787:Photosensitivity Disorders / Q000209:etiology*
chemical_list: D004136:Dinitrobenzenes; D009578:Nitrobenzenes; C020422:musk ambrette (artificial)