This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pelvis and Hip injuries, Subject name: Orthopaedics
[{'content': 'In the case of a 70 year old lady with intracapsular fracture of the neck of femur, the ideal treatment would be- \nSelect and explain. \nA. Closed traction, B. Hemiahroplasty, C. Internal fixation with nail, D. Internal fixation with nail and plate', 'role': 'user'}, {'content': 'Answer: B \nExplanation: * Treatment of choice in patients 70 years or above is ahroplasty; either hemiahroplasty (if no pre- existing ahritis) or total hip replacement (if pre-existing ahritis is present). Hemiahroplasty * Half joint replacement * Hemiahroplasty involves replacing the femoral head with a prosthesis, while retaining the natural acetabulum (endoprosthesis) * Fractures of the neck of femur is the commonest fracture in old aged individuals because of severe osteoporosis and advancing age causing more brittleness of the bone * Non union and avascular necrosis are the two principal complications of this fracture * Almost 45yrs ago prosthetic replacement was introduced for solving the unsolved problems of fracture Neck Of Femur * Vitallium intramedullary prosthesis had definite role in its treatment. Ref: Maheshwari 9th ed pg 135', 'role': 'assistant'}]