[The Yellow-nails syndrome. Apropos of 2 cases. Review of the literature].

: The authors report 2 cases of yellow nails. These cases have evolved these last years, producing clinical aspects that reflect a typical association between the pulmonary and/or sinus reactions and the yellow nails. The authors discuss the scarce typical to the yellow nails syndrome and the different associations reported in the literature. The physiopathology is not known but many hypothesis have been discussed.