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Short, joined fingers (Symbrachydactyly)

There are different types of Symbrachydactyly. Short finger, where the thumb is normal by the remaining fingers are short and stiff and may be webbed. This is the most common type. Monodactylous/Bidactylous, where there is only the thumb or thumb and little finger. Adactylous/Peromelic, where all the fingers are missing.

What is Symbrachydactyly?

Symbrachydactyly is a condition in which a child is born with small or missing fingers or a missing hand. There may also be webbed fingers or a short hand or forearm. Short or missing fingers occur in many forms, most commonly because the fingers did not develop completely during very early pregnancy. The condition is usually present on one side only, with a possibility of muscle abnormalities of the chest wall on that side as well. (See: Poland’s Syndrome).

What causes Symbrachydactyly?

Child with Symbrachydactyly

The exact cause of the condition is unknown, and it does not seem to run in families. It is thought that there is insufficient developing tissue for all of the parts of a full arm and hand to form.

How is Symbrachydactyly treated?

Your doctor will discuss with you the best treatment options for you or your child. While there is no way to restore the hand completely, treatment options are available, including surgery to deepen the webs between the fingers and to stabilize the fingers with bone grafts. However, surgery is often not needed.

The goal of treatment is to allow the child to be as independent and confident as possible in using his or her hand in daily activities.