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
Needle aspiration of a central bone lesion is useful 
Select and explain. 
A. To rule out a vascular lesion, B. To determine thickness of buccal plate, C. To diagnose traumatic bone cyst, D. To feel root surfaces
A: To rule out a vascular lesion
Answer: A: To rule out a vascular lesion 
Explanation: None