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Arachnodactyly

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

Considerations:

Long, slender fingers can be�normal and not associated with any medical problems. However, in some cases, the tendency to develop spider fingers can indicate an underlying disease.



Common Causes:

Note: Long, slender fingers may be normal.



Call your health care provider if:

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 health care provider's office:

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.




Review Date: 5/10/2006
Reviewed By: Daniel Rauch, MD, FAAP, Director, Pediatric Hospitalist Program, Associate Professor of Pediatrics, NYU School of Medicine, New York, NY. Review provided by VeriMed Healthcare Network.

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