[A case of superficial disseminated actinic porokeratosis treated with an aromatic retinoid].

In 55-year-old woman with a history of 19 years of superficial disseminated actinic porokeratosis Tigason was used in doses from 0.7 to 0.5 mg/kg daily in two courses of therapy lasting about 3 months. The clinical improvement lasted for several months and their followed by less pronounced but progressive reappearance of clinical symptoms.