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Polydactyly - an infant's hand

Polydactyly - an infant's hand

Overview

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.

Review Date 12/10/2021

Updated 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.