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Definition:
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Arachnodactyly is a condition in which the fingers are long, slender, and curved. They look like a spider's legs.
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Alternative Names:
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Dolichostenomelia; Spider fingers; Achromacria
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Considerations:
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Long, slender fingers can be normal and not associated with any medical problems. In some cases, however, spider fingers can be a sign of an underlying disease.
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Common Causes:
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Note: Having long, slender fingers may be normal.
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Call your health care provider if:
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Some children are born with arachnodactyly, although it may develop over time. Consult with your health care provider during a routine examination if your child has long, slender fingers and you are concerned that an underlying condition may exist.
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What to expect at your health care provider's office:
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The health care provider will perform a physical exam and ask questions about the patient's medical history, including:
- Time pattern
- When did you first notice the fingers being shaped like this?
- Family history
- Is there any family history of early death?
- Is there any family history of known hereditary disorders?
- Symptoms
- What other symptoms are also present?
- Have you noticed any other unusual things?
Diagnostic tests are usually not necessary unless a hereditary disorder is suspected.
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