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There are many ways you can help children and their families get the care they need.
At Boston Children's Hospital, we understand that the first step to treating your child is obtaining an accurate, timely and thorough diagnosis.
Radial dysplasia can sometimes be seen by ultrasound prenatally, and is apparent at birth. Your doctor will use a physical exam and x-rays to assess the underlying structure of your baby’s deformity and determine a course of treatment.
If your child is diagnosed with a radial dysplasia, your doctor will check for other associated deformities or syndromes, including problems with her:
• heart (such as Holt-Oram syndrome, also called hand-heart syndrome)
• kidneys, spinal column and/or digestive system (such as VACTERL syndrome)
• blood cells (such as Fanconi anemia)
• thrombocytopenia absent radius (TAR)
• other bones/joints
In most types of radial dysplasia, there can also be varying degrees of absent muscles, nerves and blood vessels — there’s a broad variability with each type and each case.
In diagnosing the condition, your doctor will likely classify it as one of the following four types:
• mildest form of radial dysplasia
• mild deviation of the wrist
• underdevelopment of thumb may occur
• problems that can result from more severe forms, such
as loss of motion, usually don’t occur
• typically, surgery required only to correct
underdeveloped thumb (if present)
• limited growth of your child’s radius on both
• wrist turned toward the radius, ulna bows out
• underdevelopment of the thumb is usually more
significant (if present)
• partial absence of the radius
• wrist severely deviated, hand has limited support
• ulna is thickened and bowed
• associated problems with thumb and fingers, such as
underdevelopment or camptodactyly, a deformity in the
finger joints that causes a flexed finger or fingers (may
• most common and most severe form
• complete absence of the radius (absent radius)
• complete or near-complete absence of the
thumb (thumb hypoplasia/aplasia)
• causes many limitations in the function of your
child’s hand, wrist and forearm
• ulna bowing is the most severe
• index, long and ring fingers may be involved
• elbow may have limited range of motion
We are grateful to have been ranked #1 on U.S. News & World Report's list of the best children's hospitals in the nation for the third year in a row, an honor we could not have achieved without the patients and families who inspire us to do our very best for them. Thanks to you, Boston Children's is a place where we can write the greatest children's stories ever told.”