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Degree of bulging of the femoral head-neck junction: In normal conditions there is a symmetric concave contour at the junction of the femoral head and neck. Loss of this concavity or bone bulging may lead to cam type impingement. The degree of this deformity can be measured by the alpha angle.
Hip fracture. A hip fracture is a break that occurs in the upper part of the femur (thigh bone), at the femoral neck or (rarely) the femoral head. [ 2] Symptoms may include pain around the hip, particularly with movement, and shortening of the leg. [ 2] Usually the person cannot walk. [ 3]
Obesity, hypothyroidism. Slipped capital femoral epiphysis ( SCFE or skiffy, slipped upper femoral epiphysis, SUFE or souffy, coxa vara adolescentium) is a medical term referring to a fracture through the growth plate (physis), which results in slippage of the overlying end of the femur ( metaphysis ). Normally, the head of the femur, called ...
Frequency. 1/25,000 in boys and 1/100,000 in girls. Legg–Calvé–Perthes disease ( LCPD) is a childhood hip disorder initiated by a disruption of blood flow to the head of the femur. Due to the lack of blood flow, the bone dies ( osteonecrosis or avascular necrosis) and stops growing. Over time, healing occurs by new blood vessels ...
Frequency. ~15,000 per year (US) [ 4] Avascular necrosis ( AVN ), also called osteonecrosis or bone infarction, is death of bone tissue due to interruption of the blood supply. [ 1] Early on, there may be no symptoms. [ 1] Gradually joint pain may develop, which may limit the person's ability to move. [ 1]
Osteochondritis dissecans ( OCD or OD) is a joint disorder primarily of the subchondral bone in which cracks form in the articular cartilage and the underlying subchondral bone. [ 1] OCD usually causes pain during and after sports. In later stages of the disorder there will be swelling of the affected joint which catches and locks during movement.
A femoral fracture is a bone fracture that involves the femur. They are typically sustained in high-impact trauma, such as car crashes, due to the large amount of force needed to break the bone. Fractures of the diaphysis, or middle of the femur, are managed differently from those at the head, neck, and trochanter; those are conventionally ...
As the lateral portion is twisted like a screw, the two parts together take the form of an inverted Y. [4] [verification needed] Arising from the anterior inferior iliac spine and the rim of the acetabulum, the iliofemoral ligament spreads obliquely downwards and laterally to the intertrochanteric line on the anterior side of the femoral head.