Polydactyly: Difference between revisions
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{{SI}} | |||
{{Infobox medical condition | |||
| name = Polydactyly | |||
| image = [[File:Wanitetlefthand.jpg|left|thumb|A hand with polydactyly]] | |||
| caption = A hand with polydactyly | |||
| field = [[Medical genetics]] | |||
| synonyms = Polydactylism, hyperdactyly | |||
| symptoms = Presence of extra fingers or toes | |||
| complications = Possible difficulty with [[functionality]] or [[cosmetic]] concerns | |||
| onset = [[Congenital]] | |||
| duration = Lifelong | |||
| causes = [[Genetic mutation]] | |||
| risks = [[Family history]] | |||
| diagnosis = [[Physical examination]], [[X-ray]] | |||
| differential = [[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]] | |||
}} | |||
[[File:Polydactyly 01 Lhand AP.jpg|alt=Polydactyly of left hand AP|'''Polydactyly of left hand AP'''|thumb|left]] | |||
[[File:Polydactyly ECS.jpg|alt=Polydactyly ECS|'''Polydactyly ECS'''|thumb]] | |||
[[File:X-ray of feet in polydactyly.jpg|alt=X-ray of feet in polydactyly|'''X-ray of feet in polydactyly'''|thumb|left]] | |||
Polydactyly is the presence of an excessive number of [[fingers]] or [[toes]]. | Polydactyly is the presence of an excessive number of [[fingers]] or [[toes]]. | ||
[[File:Polydactyly CoA.jpg|alt=Polydactyly |thumb|Polydactyly ]] | [[File:Polydactyly CoA.jpg|alt=Polydactyly |left|thumb|Polydactyly ]] | ||
==Features== | ==Features== | ||
The condition may be present as part of a collection of abnormalities, or it may exist by itself. | The condition may be present as part of a collection of abnormalities, or it may exist by itself. | ||
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==Inheritance== | ==Inheritance== | ||
When polydactyly exhibits by itself, it is [[inheritance|inherited]] as an [[autosomal dominant]] trait. | When polydactyly exhibits by itself, it is [[inheritance|inherited]] as an [[autosomal dominant]] trait. | ||
[[File:Polydactyly.jpg|alt=Polydactyly|thumb|Polydactyly]] | [[File:Polydactyly.jpg|alt=Polydactyly|left|thumb|Polydactyly]] | ||
==Racial differences== | ==Racial differences== | ||
African Americans are more likely to have polydactyly compared to [[Caucasians]] | African Americans are more likely to have polydactyly compared to [[Caucasians]] | ||
==Causes== | ==Causes== | ||
Some of the causes include: | Some of the causes include: | ||
* [[Asphyxiating thoracic dystrophy]] | * [[Asphyxiating thoracic dystrophy]] | ||
* [[Carpenter syndrome]] | * [[Carpenter syndrome]] | ||
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* [[Laurence-Moon-Biedl syndrome]] | * [[Laurence-Moon-Biedl syndrome]] | ||
* [[Rubinstein-Taybi syndrome]] | * [[Rubinstein-Taybi syndrome]] | ||
==Images== | |||
== | [[File:Newborn with polydactyly of both feet.jpg|alt=Newborn with polydactyly of both feet|'''Newborn with polydactyly of both feet'''|thumb]] | ||
[[File:Polydactyly preaxial.gif|alt=Polydactyly preaxial|'''Polydactyly preaxial'''|thumb|left]] | |||
File:Newborn with polydactyly of both feet.jpg|alt=Newborn with polydactyly of both feet|'''Newborn with polydactyly of both feet''' | |||
File:Polydactyly preaxial.gif|alt=Polydactyly preaxial|'''Polydactyly preaxial''' | |||
{{stub}} | {{stub}} | ||
{{Congenital malformations and deformations of musculoskeletal system }} | {{Congenital malformations and deformations of musculoskeletal system }} | ||
Latest revision as of 10:13, 13 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD medical weight loss NYC and sleep center NYC
| 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 is the presence of an excessive number of fingers or toes.
Features[edit]
The condition may be present as part of a collection of abnormalities, or it may exist by itself.
Inheritance[edit]
When polydactyly exhibits by itself, it is inherited as an autosomal dominant trait.
Racial differences[edit]
African Americans are more likely to have polydactyly compared to Caucasians
Causes[edit]
Some of the causes include:
- Asphyxiating thoracic dystrophy
- Carpenter syndrome
- Ellis-van Creveld syndrome (chondroectodermal dysplasia)
- Smith-Lemli-Opitz syndrome
- Trisomy 13
- Familial polydactyly
- Laurence-Moon-Biedl syndrome
- Rubinstein-Taybi syndrome
Images[edit]
 | |
|---|---|
 |
 |
| Congenital malformations and deformations of musculoskeletal system / musculoskeletal abnormality | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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