Polydactyly: A Review
Polydactyly, also known as hyperdactyly, is a common congenital limb defect, which can present with various morphologic phenotypes. Apart from cosmetic and functional impairments, it can be the first indication of an underlying syndrome in the newborn. Usually, it follows an autosomal dominant pattern of inheritance with defects occurring in the anteroposterior patterning of limb development. Although many mutations have been discovered, teratogens have also been implicated in leading to this anomaly, thus making it of multifactorial origin. There are three polydactyly subtypes (radial, ulnar, and central), and treatment options depend on the underlying feature.
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Document Type: Research Article
Publication date: May 1, 2016
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