Polydactyly - an infant's hand
Extra digits may be present as an isolated finding, or they may occur as part of a syndrome, in which case other abnormalities are usually present.
Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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