Green nails, also known as chloronychia or green nail syndrome, are characterized by green discoloration of the nail plate (greenish-yellow, greenish-brown, greenish-black), proximal chronic non-tender paronychia, and distolateral onycholysis. The cause is Pseudomonas aeruginosa infection of the nail plate in persons whose hands are constantly exposed to water, soaps, and detergents or are subj...

Psoriasis is the skin disease that most frequently affects the nails. Depending on the very nail structure involved, different clinical nail alterations can be observed. Irritation of the apical matrix results in psoriatic pits, mid-matrix involvement may cause leukonychia, whole matrix affection may lead to red lunulae or severe nail dystrophy, nail bed involvement may cause salmon spots, subu...

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The Yellow Nail Syndrome is a rare clinical entity, first described in 1967 by P.D. Samman and W.F. White. The triad slow-growing dystrophic yellow nails, lymphedema and chronic respiratory disorders is the typical manifestation of the disease but some variations have been described as well as associations with chylothorax, chylous ascites, intestinal lymphangiectasia, thyroid abnormalities, ma...

Nail changes detected during the general physical examination can contribute to establishing an initial diagnostic hypothesis and may enhance awareness of some associated internal disorders. In approximately half cases, are without being a present complaint. The main causes dermatological diseases, infections, trauma, drug-related, genetic entities. Yellow nail syndrome includes lung disorder, ...

1 of 2 DESCRIPTION Yellow nail syndrome (YNS) was fi rst described in 1964 by Samman and White, who noted the association of nail discolouration and leg oedema. 1 Emerson added pleural effusion as the third element of YNS. 2 Hiller et al reported that the respiratory manifestations are diverse and include pleural effusion, bronchiectasis, rhinosinusitis, chronic cough and recurrent lung infecti...