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: Radiology
CT scan of a patient with history of head injury shows a biconvex hyperdense lesion displacing the grey-white matter interface. The most likely diagnosis is: 
Select and explain. 
A. Subdural hematoma, B. Diffuse axonal injury, C. Extradural hematoma, D. Hemorrhagic contusion
C: Extradural hematoma
Answer: C: Extradural hematoma 
Explanation: C i.e. Extradural Hematoma