Shell nail syndrome
Encyclopedia
Shell nail syndrome is characterized by a nail that resembles a clubbed nail, but in which the nail bed is atrophic instead of being bulbous proliferation of the soft tissue, described in association with bronchiectasis
Bronchiectasis
Bronchiectasis is a disease state defined by localized, irreversible dilation of part of the bronchial tree caused by destruction of the muscle and elastic tissue. It is classified as an obstructive lung disease, along with emphysema, bronchitis, asthma, and cystic fibrosis...

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