Arachnodactyly

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Arachnodactyly is a physical condition in which the fingers are long, slender, and curved, resembling a spider's legs.

Dolichostenomelia; Spider fingers; Achromacria

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.

• Homocystinuria
• Marfan syndrome
• Other rare genetic disorders

Note: Having long, slender fingers may be normal.

Review Date: 01/29/2010
Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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