title: Papillon-Lefèvre syndrome.
mesh_terms: D002648:Child; D003937:Diagnosis, Differential; D006801:Humans; D007645:Keratoderma, Palmoplantar / Q000473:pathology*; D008297:Male; D010214:Papillon-Lefevre Disease / Q000473:pathology*; D010510:Periodontal Diseases / Q000473:pathology*