title: [Lichen ruber planus and lichen ruber verrucosus of the skin: therapeutic results using vitamin A acid in 98 patients].
abstract: 98 patients, 50 suffering from papular lichen planus of the skin, 48 suffering from hypertrophic lichen planus, were treated systemically or topically with vitamin A acid. In 52 out of the 98 patients, the treatment was started within the first 3 months after the beginning of the disease. The patients with papular lichen planus improved rapidly to systemic vitamin A acid administration. In hypertrophic lichen planus only topical vitamin A acid application showed satisfactory results. The possible side effects of this treatment are mentioned. Patients with disturbed hepatocellular of hepatocystic conditions are unsuitable for vitamin A acid therapy.
mesh_terms: D000284:Administration, Oral; D000287:Administration, Topical; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008010:Lichen Planus / Q000188:drug therapy*; D008134:Long-Term Care; D008875:Middle Aged; D014212:Tretinoin / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D014801:Vitamin A / Q000031:analogs & derivatives*
chemical_list: D014801:Vitamin A; D014212:Tretinoin
vernacular_title: Lichen ruber planus und Lichen ruber verrucosus der Haut: Behandlungsergebnisse mit Vitamin-A-Säure bei 98 Patienten