You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Not a complication of fracture neck of femur ? and explain in detail?
Ans. is 'b' i.e., Malunion Complications of femoral neck fracture Fractures of the neck of the femur are more prone to serious complications than in any other fracture. All the complications affect fractures with displacement rather than impacted abducted (valgus impacted) fractures. The impoant complications are : 1) Avascular necrosis of femoral head AVN is the most common complication of femoral neck fracture. It occurs in 15-35% of cases of displaced fractures and 2) Non-union Non-union is the second most common complication of femoral neck fracture. It occurs in 10-30% of cases of displaced fractures and 3) Secondary osteoahritis It occurs a few years following fracture neck femur. Avascular necrosis or collapse of femoral head leads to secondary osteoahritis of the hip joint.