Purpose: Despite a high frequency of acquired nail disease, congenital absence of the nail, also called as anonychia, is a rare anomaly. It may be seen as an isolated of phalangeal bone(ectrodactyly), nail-patella syndrome, birth trauma, impaired peripheral circulation, alopecia areata, and pemphigus, idiopathic atrophy of the nail, bullous drug eruptions, periodic shedding, lichen planus, Stenvens-Johnson syndrome and so forth.
Methods: We have experienced a rare case of 40-day-old neonate, suffering from intrauterine growth retardation, but without familial history, chromosomal anomalies or any other diseases.
Results: There was no nail on left 5th finger and distal phalangeal bone of same finger. So, We diagnosed as Congenital Anonychia with ectrodactyly of 5th Finger.
Conclusion: We report this case as congenital anonychia of 5th finger which have developed from underlying distal phalangeal ectrodactyly. We also review other reported cased in the literatures.
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