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To the Editor.—
I would like to take the liberty of reporting that Dr. G. F. Donald of St. Peters, South Australia, has written me to say that he and a thoracic surgical colleague have observed three cases of shell nail syndrome associated with bronchiectasis which appeared to be identical to the case reported by Dr. W. B. Shelley and myself in the Archives of Dermatology (96:694695 [Dec] 1968).Dr. Donald writes, "One was a sporadic case and the others were in twin sisters, both of whom had had lifelong bronchiectasis which we presumed to be due to congenital faults in the bronchial tree. In all three, there had been this progressive dystrophy of the nails which you illustrate so beautifully. We have presumed that the nail dystrophy and the congenital change leading to chronic bronchiectasis are allied, but a lack of clearcut proof had never bothered to record
Cornelius CE. SHELL NAIL SYNDROME. Arch Dermatol. 1969;100(1):118. doi:10.1001/archderm.1969.01610250124033
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