Abstract
Polydactyly is perhaps one of the most common congenital hand and foot anomalies. Tetrapolydactyly (polydactyly 24) is a very rare form of hand and foot anomalies. Postaxial ray polydactyly usually occurs in male blacks without associated congenital abnormalities. We report a case of postaxial ray tetrapolydactyly in a female neonate which occurred sporadically and without associated congenital abnormalities.
Highlights
Is one of the most common congenital anomalies of the hands and feet consisting of supernumerary fingers or toes [1, 2]
We report a case of tetrapolydactyly in a female neonate
The patient is a female of Nigerian parents with no family history of such malformations
Summary
Is one of the most common congenital anomalies of the hands and feet consisting of supernumerary fingers or toes [1, 2]. The extra digit is the most common on the ulnar side of the hand—post axial ray, less common on the radial side— preaxial ray, and very rarely within the middle three digits— middle or central ray [2, 3] It can occur as an isolated disorder, in association with other malformations of the hands or feet, or as part of a syndrome. Postaxial polydactyly seen in white children is usually syndromic and associated with an autosomal recessive transmission [3]. Involving both hands and feet is rare [5]. We report a case of tetrapolydactyly (polydactyly 24) in a female neonate
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