This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pelvis & Injuries, Subject name: Orthopaedics
[{'content': 'Trochanteric fracture of femur is best treated by: \nSelect and explain. \nA. Dynamic hip screw, B. Inlay plates, C. Plaster in abduction, D. Plaster in abduction and internal rotation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (a) Dynamic hip screwDynamic hip screw (DHS) plate is the implant of choice for fixation. These days proximal femoral nail (PFN) is preferred. It is a variety of cephalomedullary fixation.', 'role': 'assistant'}]