Korean J Dermatol.
2000 Feb;38(2):266-268.
Two Cases of Congenital Onychodysplasia of the Index Fingers
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- 1Department of Dermatology, College of Medicine, The Catholic University of Korea, Seoul, Korea.
Abstract
- Congenital onychodysplasia of the index fingers(COIF) is characterized by hypoplasia or dysplasia of the nails peculiarly restricted to the index fingers. The cause is unknown, but clinical study suggested that ischemia of the finger at a certain period of fetal life might play an important role in its pathogenesis. Major characteristics of this condition are anonychia, micronychia, and polyonychia restricted to the index fingers. We report two cases of COIF, one of which was presented with anonychia of the left index finger, micronychia of the right index finger, and ventricular septal defect of the heart in a 2-week-old male baby, and the other which was presented with polyonychia of the right index finger in a 1-month-old male baby.
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