11
Feb
Femoroacetabular impingement (fai) is the abnormal contact between the femur and acetabulum which may lead to labral damage, various degrees of chondral injury and progressive hip pain. In this case, the osseous bump or cam morphology is causing the impingement.
The aims of this study were to quantify the degree of variability in and calculate the diagnostic accuracy of the alpha angle in suggesting a diagnosis of cam.
Cam type femoral acetabular impingement. In cam impingement the femoral head is not round and cannot rotate smoothly inside the acetabulum. Consequently, ultrasound may provide a useful tool for the. Femoroacetabular impingement (fai), also called hip impingement, is a condition where the hip joint is not shaped normally.
13 the onset may be gradual or associated with an acute episode, which is the culmination of altered wear developing over a protracted period of time. There are three types of fai: A cam impingement occurs when excessive bone grows at the edge of the femoral head, where it meets a part of the femur called the femoral neck.
This causes the bones to painfully rub together. Combined impingement means that both the pincer and cam types are present. Cam type femoroacetabular impingement this type of femoroacetabular impingement occurs when the femoral head comes out of round and is not able to rotate smoothly within the acetabulum.
(modified from lavigne m, parvizi j, beck m, et al. Diagnosis is made radiographically with hip radiographs showing an aspherical femoral (cam impingement) or anterosuperior acetabular overhang (pincer impingement), or a. Techniques of joint preserving surgery.
Fai occurs as a result of abnormal contact between the proximal femur and acetabular rim, causing degeneration and avulsion of the acetabular labrum and cartilage damage. Arthroscopic techniques continue to evolve and allow for a reproducible and effective algorithm for addressing this condition. Patients with cam impingement usually have reduced joint motion, which can result in other.
Cam type impingement is the presence of a bump on the surface of the ball which hits (impinges) on the rim of the (acetabulum) socket causing hip/groin pain and limited range of motion. In this case, the osseous bump or cam morphology is causing the impingement. A bump forms on the edge of the femoral head that grinds the cartilage inside the acetabulum.
The location of the abnormal growth determines what type of impingent occurs: Impingement can be due to femoral abnormalities (cam impingement) or acetabular abnormalities (pincer impingement), or a combination of both (mixed type). Femoroacetabular impingement (fai) is the abnormal contact between the femur and acetabulum which may lead to labral damage, various degrees of chondral injury and progressive hip pain.
Surgical correction of various hip impingement problems was described even early in the last century. A, normal clearance of the hip. The hip joint is made up of the ball (femoral head) and the socket of the hip.
The abnormal growth can occur near the femoral head, the acetabulum, or both. Pincer, in which extra bone extends outside the socket; But most of the time, it occurs by itself and is the main problem.
The aims of this study were to quantify the degree of variability in and calculate the diagnostic accuracy of the alpha angle in suggesting a diagnosis of cam. Cam, in which the head of your femur is misshapen; Hip arthroscopy can be a successful intervention used to address this condition.