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Congenital Koilonychia and Onychogryphosis. Presented by Dr. George Haskel Curtis and Dr. E. W. Netherton.
M. A. B., a girl aged 8 years, was a healthy baby born at full term. She has had measles, mumps, pertussis and otitis media. Tonsillectomy and adenoidectomy were performed at the age of 5 years.At 4 years she had croup, with a temperature ranging from 103 to 104 F. and accompanied by convulsions and delirium. At this time it was noticed that her toe nails had become brown. Later they became thick and curled in the long axis. They have become difficult to trim because of tenderness due to outgrowth of the nail bed with the nail. Soon after the toe nails began to be deformed the finger nails became rough, splitting at the free ends, and were spoonlike.The patient is intelligent and well developed, with a tendency to overweight.The toe
Gammel JA, La Rocco CG, Driver JR. CLEVELAND DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1939;40(5):839–850. doi:10.1001/archderm.1939.01490050155016
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