title: Usefulness of etretinate treatment in paraneoplastic plamoplantar hyperkeratosis.
mesh_terms: D000368:Aged; D005050:Etretinate / Q000627:therapeutic use*; D006801:Humans; D007645:Keratoderma, Palmoplantar / Q000188:drug therapy*; D008297:Male; D010257:Paraneoplastic Syndromes / Q000188:drug therapy*
chemical_list: D005050:Etretinate