Yellow nail syndrome: a genetic Disorder?

Background: Yellow nail syndrome is a very rare disorder. The classic clinical presentation includes a triad involving yellow nail discoloration, chronic pulmonary manifestations and lower limb lymphedema. Its etiology remains unknown and the genetic disorder is still controversial.

Observation: We report a case of a young man diagnosed with this syndrome and for who the same affection was found in several members of his family Conclusion: The diagnosis of yellow nail syndrome in several members of the same family supports the fact that it is a genetic disorder.