This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
[{'content': 'Following a sudden impact in an accident, the 34-year-old race car driver becomes unconscious and is admitted to the hospital. A CT scan is performed, and a right space-occupying lesion is noted (Fig. 11-1). What is the most likely diagnosis? \nSelect and explain. \nA. Corpus callosum injury, B. Pituitary apoplexia, C. Acute subdural hematoma, D. Acute epidural hematoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Acute subdural hematomas occur most commonly when violent accelerations or deceleration injuries of the head cause tearing of the bridging veins within the subdural potential space. They generally imply a much more severe injury to the brain itself than in the case of their epidural counterpa. For this reason, they are associated with cerebral contusions in over 30% of cases.', 'role': 'assistant'}]