Congenital bowing of long bones means a baby is born with one or more arm or leg bones that curve more than usual. It is not one single disease. It is a sign ...

Humero-radio-ulnar intercalary transverse meromelia is a rare birth defect of the arm. In this condition the upper arm bone (humerus) and the two forearm bones ...

Congenital absence of the upper arm and forearm with the hand still present is a rare birth difference where the baby is born without the long bones of the arm ...

Femorotibiofibular intercalary transverse meromelia is a very rare birth problem where the middle parts of the thigh and leg bones are missing or very ...

Tibiofibular terminal transverse meromelia is a very rare birth problem where a baby is born without the lower part of the leg and without the foot on one or ...

Elbow valgus deformity means the forearm points too far away from the body when the elbow is straight. Doctors also call this cubitus valgus. A small “outward” ...

Varus flexion deformity means that a joint is bent in two ways at the same time.“Varus” means the lower part of the leg (or bone) points inward, so the ...

Varus elbow deformity means that the elbow is bent inward, so the forearm points toward the middle of the body instead of slightly away from it when the arm is ...

Acetabular avascular necrosis means part of the socket of the hip joint (the acetabulum) loses its blood supply, and the bone tissue in that area slowly dies. ...

Acetabular sclerosis of the hip joint means the bone in the socket part of the hip (the acetabulum) becomes extra thick and hard just under the smooth ...

Subchondral sclerosis of the hip joint means that the bone just under the smooth joint cartilage has become thicker, harder, and denser than normal. This dense ...

Aseptic necrosis of the hip joint means that a part of the head of the thigh bone (femoral head) dies because its blood supply becomes too low or stops, but ...

Aseptic necrosis of the femoral head means that part of the ball of the hip joint (the femoral head) dies because the blood supply stops, but there is no ...

Avascular necrosis (AVN) of the femoral head is a disease where part of the head of the thigh bone (femur) slowly dies because it does not get enough blood. ...

Ischemic necrosis of the hip joint means that a part of the head of the thigh bone (femoral head) dies because it does not get enough blood. The femoral head ...

Left femoral head osteonecrosis means that a small part of the ball of your left hip joint (the “femoral head”) has died because it did not get enough blood. ...

Right femoral head osteonecrosis means that a part of the “ball” at the top of the right thigh bone (the right femoral head) has died because it did not get ...

Avascular necrosis of the femoral head means that part of the ball of the hip joint (the femoral head) dies because it does not get enough blood for a long ...

Spinal arteriovenous metameric syndrome (SAMS) is a very rare birth-time (congenital) blood vessel problem that affects one body segment of the spine and the ...

Asphyxiating thoracic dysplasia (often called Jeune syndrome) is a rare genetic bone growth problem. It mainly affects the chest, ribs, spine, and the long ...