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Pauwel's angle is the angle between the line of a fracture of the neck of the femur and the horizontal as seen on an anterio-posterior radiograph. [1] Pauwel's angle is named after the German orthopedist Friedrich Pauwels. [2] Introduced in 1935, this system was the first biomechanical classification for femoral neck fractures, and is still in ...
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 ...
A fracture of the femoral neck is classified as a type of hip fracture.It is often due to osteoporosis; in the vast majority of cases, a hip fracture is a fragility fracture due to a fall or minor trauma in someone with weakened osteoporotic bone.
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] A hip fracture is usually a femoral neck fracture.
Secondary protrusio acetabuli's causes include femoral head prosthesis, cup arthroplasty, septic arthritis, central fracture dislocation, or total hip replacement surgery; Protrusio acetabuli may also be thought of as unilateral or bilateral. Unilateral protrusio acetabuli may be caused by tuberculous arthritis, trauma, or fibrous dysplasia.
The hip joint is classified as a ball and socket joint. This type of synovial joint allows for multidirectional movement and rotation. There are two bones that make up the hip joint and create an articulation between the femur and pelvis. This articulation connects the axial skeleton with the lower extremity.
It has been shown in the past that attempts to correct the slippage by moving the head back into its correct position can cause the bone to die. Therefore the head of the femur is usually pinned 'as is'. A small incision is made in the outer side of the upper thigh and metal pins are placed through the femoral neck and into the head of the femur.
Shepherd's Crook deformity is a severe form of coxa vara where the proximal femur is severely deformed with a reduction in the neck shaft angle beyond 90 degrees. It is most commonly a sequela of osteogenesis imperfecta , Paget's disease, osteomyelitis, tumour and tumour-like conditions (e.g. fibrous dysplasia ).