Definition
Arachnodactyly is a physical condition in which the fingers are long, slender, and curved, resembling a spider's legs.
Alternative names
Dolichostenomelia; Spider fingers; Achromacria
Causes
Homocystinuria Marfan's syndrome Other rare genetic disorders Note: Having long, slender fingers may be normal.
Definition
Arachnodactyly is a physical condition in which the fingers are long, slender, and curved, resembling a spider's legs.
Alternative names
Dolichostenomelia; Spider fingers; Achromacria
Causes
Note: Having long, slender fingers may be normal.
Considerations
Long, slender fingers can be normal and not associated with any medical problems. In some cases, however, the tendency to develop spider fingers can indicate an underlying disease.
When to contact a medical professional
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.
What to Expect at Your Office Visit
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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Review Date: .2/27/2008
Reviewed By: Rachel A. Lewis, MD, FAAP, Columbia University Pediatric Faculty Practice, New York, NY. Review provided by VeriMed Healthcare Network. David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.2/27/2008
Arachnodactyly (" spider fingers") or achromachia, is a condition in which the fingers are abnormally long and slender in comparison to the palm of the hand.
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arachnodactyly /arach·no·dac·ty·ly/ (ah-rak'no-dak´t'-le) extreme length and slenderness of fingers and toes. a·rach·no·dac·ty·ly (-r k n-d k t-l)
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Arachnodactyly is a physical condition in which the fingers are long, slender, and curved, resembling a spider's legs. Long, slender fingers can be normal and not associated with ...
