Children's Hospital Colorado
Hand and Upper Extremity Program

Polydactyly

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What is polydactyly?

Polydactyly is a condition in which a child has extra fingers or toes. It is one of the most common hand differences and often runs in families. The extra fingers/toes may be only soft tissue (which looks like extra skin), but some include bones as well.

Polydactyly

What causes polydactyly?

Polydactyly occurs when a finger, thumb or toe splits in two – causing an extra one to form while the baby is in the mom's uterus before birth.

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    Learn more about the Hand and Upper Extremity Program
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    720-777-6600
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Get to know our pediatric experts.

Sarah Sibbel, MD

Sarah Sibbel, MD

Orthopaedic Surgery, Hand Surgery

Frank Scott, MD

Frank Scott, MD

Hand Surgery

Cailin Delaney, PA-C

Cailin Delaney, PA-C

Physician Assistant