Related Conditions and Treatments
Achondroplasia is a genetic bone disorder, affecting one in 20,000 babies. It is the most common type of dwarfism.
Amniotic Band Syndrome
Amniotic band syndrome (constriction ring syndrome) happens when fibrous bands of the amniotic sac get tangled around a developing fetus.
Arthrogryposis is a term used to describe conditions characterized by stiff joints and abnormally developed muscles.
Bone Tumors and Bone Cysts
Bone tumors and bone cysts are types of abnormal growth within a bone. Most are benign (noncancerous).
Clubfoot is a congenital foot deformity in which the foot turns down and inward.
Congenital Limb Differences
Congenital limb differences occur when a baby’s arm or leg does not form properly during pregnancy.
Femoral anteversion is an inward twisting of the thigh bone (femur).
Hip dysplasia occurs when the hip joint has not developed properly and the socket (acetabulum) is too shallow.
Limb Length Discrepancy
A limb-length discrepancy is when one leg or arm is shorter than the other leg or arm.
Limb-lengthening surgery is a surgical treatment that can correct a limb-length discrepancy by making a short limb longer.
Madelung’s deformity is a rare arm condition that affects the growth plate of the radius.
A malunion fracture is a broken bone that heals abnormally.
Metatarsus adductus (metatarsus varus) is a common deformity that causes the front half of the foot to turn inward.
Osteogenesis imperfecta (OI) is characterized by fragile bones that break easily without a specific cause.
Osteomyelitis is the term for a bone infection.
Radial Longitudinal Deficiency (Radial Club Hand)
Radial longitudinal deficiency (radial club hand) is a rare condition that affects the forearm.
Learn more about Radial Longitudinal Deficiency (Radial Club Hand)
Radioulnar synostosis is a rare condition in which the two bones of the forearm — the radius and the ulna — are abnormally connected.
Rotationplasty is a surgical procedure used to treat bone tumors in children that occur near the knee.
Skeletal dysplasia is a category of rare genetic disorders that cause abnormal development of a baby’s bones, joints, and cartilage.
A tarsal coalition is an abnormal connection between two or more of the tarsal bones.
Tibial torsion is the twisting of a child’s shinbone (tibia).
Ulnar Longitudinal Deficiency (Ulnar Club Hand)
Children with ulnar longitudinal deficiency are born with their wrist in a fixed, bent position toward the little finger side of the hand.
Learn more about Ulnar Longitudinal Deficiency (Ulnar Club Hand)