This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Morel-Lavallee lesion leave lesion is seen in ? \nSelect and explain. \nA. Acetabular fracture, B. Fracture femur neck, C. Fracture lumbar spine, D. Fracture proximal tibia', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Acetabular fracture Morel-Lavallee lesion is a localized area of subcutaneous fat necrosis over the lateral aspect of the hip caused by the same trauma that causes the acetabular fracture.", 'role': 'assistant'}]