• We have seen 11 cases of congenital onychodysplasia over the past six years. Associated anomalies were present in six patients, most of whom had an anomaly of the hand. Roentgenograms of the affected fingers showed hypoplasia, narrowing at the distal third of the distal phalanx, and bifurcation of the distal phalanx. The etiology of this condition is unknown, but clinical study suggested that ischemia of the finger at a certain period of embryonic life might play an important part in its pathogenesis.
(Arch Dermatol 1983;119:8-12)
Kitayama Y, Tsukada S. Congenital Onychodysplasia: Report of 11 Cases. Arch Dermatol. 1983;119(1):8–12. doi:10.1001/archderm.1983.01650250012007
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