Lateral dislocation of the proximal end of the tibia is an injury that occurs when the lower leg bone (tibia) becomes dislocated from its normal position. It is commonly caused by a trauma or direct blow to the area, such as a fall onto the knee or a motor vehicle accident. It can also be caused by a rotational force that pushes the bone out of place.
The diagnosis of lateral dislocation of the proximal end of the tibia can be made by physical examination and imaging tests. A physical examination will reveal tenderness, swelling, and deformity of the lower leg. Imaging tests such as X-rays, CT scans, and MRIs can be used to confirm the diagnosis and assess the extent of the injury.
Other conditions that can cause similar symptoms include a fracture of the tibia, a dislocation of the knee joint, or a ligament tear.
Treatment for lateral dislocation of the proximal end of the tibia includes reduction of the dislocation, immobilization with a cast or splint, and physical therapy. Surgery may be necessary if the injury is severe or the bones are not aligned properly.
The prognosis for lateral dislocation of the proximal end of the tibia is generally good with proper treatment and rehabilitation. In most cases, the bones can be stabilized and the joint can be restored to its normal position. Full recovery is usually achieved within six weeks to three months.