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Yellow nail syndrome (YNS) is a rare entity characterized by a triad of nail changes, lymphoedema and lung involvement. We report a 57-year-old man with rheumatoid arthritis (RA) and YNS. We have reviewed the previous case reports of RA and YNS and discuss the pulmonary manifestations.

Yellow nail syndrome in rheumatoid arthritis: an aetiology beyond thiol drugs