Polysyndactyly
Polysyndactyly
Polysyndactyly (pronunciation: /ˌpɒliːsɪndækˈtɪliː/) is a rare congenital condition characterized by the presence of extra fingers or toes and webbing or fusion between them.
Etymology
The term "Polysyndactyly" is derived from three Greek words: "poly" meaning many, "syn" meaning together, and "dactylos" meaning finger. Thus, it literally translates to "many fingers together".
Definition
Polysyndactyly is a type of polydactyly, which refers to the condition of having more than the usual number of digits on the hands or feet. In polysyndactyly, not only are there extra digits, but there is also webbing or fusion (syndactyly) between these digits.
Symptoms
The primary symptom of polysyndactyly is the presence of extra fingers or toes, which may be fully formed and functional, partially formed, or rudimentary. Additionally, there may be webbing or fusion between these extra digits and the normal digits.
Causes
Polysyndactyly is a genetic disorder, often associated with a mutation in the GLI3 gene. It can also occur as part of a syndrome, such as Greig cephalopolysyndactyly syndrome or Pallister-Hall syndrome.
Treatment
Treatment for polysyndactyly typically involves surgery to remove the extra digits and to separate the fused digits. Physical therapy may also be needed to improve hand or foot function.
See also
External links
- Medical encyclopedia article on Polysyndactyly
- Wikipedia's article - Polysyndactyly
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