Polydactyly

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(Redirected from Hexadactyly)

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Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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Polydactyly
A hand with polydactyly
Synonyms Polydactylism, hyperdactyly
Pronounce N/A
Specialty N/A
Symptoms Presence of extra fingers or toes
Complications Possible difficulty with functionality or cosmetic concerns
Onset Congenital
Duration Lifelong
Types N/A
Causes Genetic mutation
Risks Family history
Diagnosis Physical examination, X-ray
Differential diagnosis Syndactyly, Cleft hand
Prevention None
Treatment Surgical removal of extra digits
Medication None
Prognosis Generally good with treatment
Frequency 1 in 500 to 1 in 1,000 live births
Deaths N/A


Polydactyly of left hand AP
Polydactyly of left hand AP
Polydactyly ECS
Polydactyly ECS
X-ray of feet in polydactyly
X-ray of feet in polydactyly

Polydactyly is the presence of an excessive number of fingers or toes.

Polydactyly
Polydactyly

Features

The condition may be present as part of a collection of abnormalities, or it may exist by itself.

Inheritance

When polydactyly exhibits by itself, it is inherited as an autosomal dominant trait.

Polydactyly
Polydactyly

Racial differences

African Americans are more likely to have polydactyly compared to Caucasians

Causes

Some of the causes include:

Images

Newborn with polydactyly of both feet
Newborn with polydactyly of both feet
Polydactyly preaxial
Polydactyly preaxial
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Contributors: Prab R. Tumpati, MD