Article
Genetic Syndromes Associated With Congenital Upper Limb Differences.
The Journal of hand surgery - 1 May 2026
Elsherbini Adham, Perlmutter Jonah, Mosa Adam
Abstract excerpt
Congenital upper limb differences occur in approximately 20-30 per 10,000 live births. These differences frequently prompt reconstructive surgery and may present in isolation or as markers of systemic syndromes. Embryologically, limb development depends on coordinated signaling along the proximal-distal (apical ectodermal ridge/fibroblast growth factor [FGF]), radial-ulnar (zone of polarizing activity/sonic...
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