Arachnodactyly is a condition in which the fingers are long, slender, and curved. They look like the legs of a spider (arachnid).
Dolichostenomelia; Spider fingers; Achromachia
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 disorder.
Causes may include:
Some children are born with arachnodactyly. It may become more evident over time. Talk to your health care provider if your child has long, slender fingers and you are concerned that an underlying condition may exist.
The provider will perform a physical exam. You will be asked questions about the medical history. This includes:
Diagnostic tests are most often not necessary unless a hereditary disorder is suspected.
Doron Gothelf is in Tel Aviv, Israel. Gothelf is rated as a Distinguished expert by MediFind in the treatment of Arachnodactyly. He is also highly rated in 14 other conditions, according to our data. His top areas of expertise are Hypoparathyroidism, Immune Defect due to Absence of Thymus, DiGeorge Syndrome, and Arachnodactyly.
Guillaume Jondeau is in Paris, France. Jondeau is rated as a Distinguished expert by MediFind in the treatment of Arachnodactyly. He is also highly rated in 13 other conditions, according to our data. His top areas of expertise are Marfan Syndrome, Achard Syndrome, Arachnodactyly, and Thoracic Aortic Aneurysm.
Catherine Otto is a Cardiologist and an Echocardiography doctor in Seattle, Washington. Dr. Otto is rated as a Distinguished doctor by MediFind in the treatment of Arachnodactyly. She is also highly rated in 31 other conditions, according to our data. Her top areas of expertise are Aortic Valve Stenosis, Bicuspid Aortic Valve, Marfan Syndrome, and Arachnodactyly. She is licensed to treat patients in Washington. Dr. Otto is currently accepting new patients.
Published Date: November 09, 2021
Published By: Kimberly G Lee, MD, MSc, IBCLC, Clinical Professor of Pediatrics, Division of Neonatology, Medical University of South Carolina, Charleston, SC. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
Doyle Al, Doyle JJ, Dietz HC. Marfan syndrome. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 722.
Herring JA. Orthopaedic-related syndromes. In: Herring JA, ed. Tachdjian's Pediatric Orthopaedics. 6th ed. Philadelphia, PA: Elsevier Saunders; 2022:chap 37.