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What are possible nail findings in lung disease?


Nail abnormality Definition Associated condition
Koilonychia Transverse and longitudinal concavity – giving a spoon shaped nail Iron deficiency anaemia
Onycholysis Separation of nail plate from nail bed, leaving a white discolouration. Sarcoidosis, ankylosing spondylitis
Yellow Nail Slow growingnail, with‘heaped up’ appearance. The lunula disappears and the nail shows a yellow hue. Pleural effusion, bronchiectasis


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