Arachnodactyly
Arachnodactyly (pronounced: /əˌræknoʊˈdæktɪli/), also known as Marfanoid digits, is a condition characterized by abnormally long and slender fingers and toes. The term is derived from the Greek words arachne meaning spider and dactylus meaning finger.
Definition
Arachnodactyly is a physical trait in which the fingers and toes are longer than average, often appearing spider-like. This condition can be present at birth or develop over time. It is often associated with various genetic disorders, most notably Marfan syndrome and Ehlers-Danlos syndrome.
Symptoms
The primary symptom of arachnodactyly is the presence of unusually long and slender fingers and toes. In some cases, the condition may also affect the shape and function of the hands and feet. Other symptoms may include joint laxity, muscle weakness, and skeletal abnormalities.
Causes
Arachnodactyly is typically caused by an underlying genetic disorder. The most common of these is Marfan syndrome, a connective tissue disorder that can affect the heart, eyes, and skeleton. Other conditions that may cause arachnodactyly include Ehlers-Danlos syndrome, homocystinuria, and Beals syndrome.
Diagnosis
Diagnosis of arachnodactyly is typically based on a physical examination and a review of the patient's medical and family history. Genetic testing may be used to confirm a diagnosis and identify the specific disorder causing the condition.
Treatment
Treatment for arachnodactyly primarily involves managing the symptoms and any underlying conditions. This may include physical therapy, occupational therapy, and in some cases, surgery. Genetic counseling may also be beneficial for individuals with this condition and their families.
See also
External links
- Medical encyclopedia article on Arachnodactyly
- Wikipedia's article - Arachnodactyly
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