This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Osteochondritis and Avascular Necrosis, Subject name: Orthopaedics
[{'content': 'Which of the following fracture is not managed by compression screws?. \nSelect and explain. \nA. Transverse fracture of medial malleolus, B. Oblique fracture of medial malleolus, C. Spiral fracture of lateral malleolus, D. Comminuted fracture of lateral malleolus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Techniques of internal fixation used in ankle fracture depending on site of fracture:- Medial malleolus fractures:- Lateral malleolus fractures:- Fractures of fibula - Transverse fracture- compression screws Transverse fracture- tension band wiring Fracture of lower one third of fibula - 4 hole plate Oblique fracture- compression screws Spiral fracture- compression screws Undisplaced/non aicular/avulsion small fracture- can be managed non operatively Avulsion fracture- tension band wiring Comminuted fracture- buttress plating Suprasyndesmotic injury- buttress plating Spiral fracture- compression screws(lag screw)', 'role': 'assistant'}]