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
Investigation of choice for juvenile nasoangiofibroma 
Select and explain. 
A. X-ray, B. Angiography, C. USG, D. CT Scan – contrast enhanced
D: CT Scan – contrast enhanced
Answer: D: CT Scan – contrast enhanced 
Explanation: Contrast CT is the investigation of choice as extent of the tumor can be seen.