Perianal and Scrotal Porokeratosis Ptychotropica. Case Report of an Unusual Condition, and Review of the Literature M. Tresa Thomas; M.M. Escudero; V. Howard; M. Jones-Caballero;

[Translated article] RF- Relationship Between Porokeratosis and Skin Cancer M. Luque-Luna; L. Corbella-Bagot; J.M. Mascaró;

FR- Relación entre poroqueratosis y cáncer cutáneo M. Luque-Luna; L. Corbella-Bagot; J.M. Mascaró;