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: Orthopaedics
X-ray shows reduction of intervertebral disc space and fusiform shadow along the vertebra, most likely diagnosis 
Select and explain. 
A. Psoas abscess, B. Hemorrhage in posterior mediatinum, C. TB Spine, D. Osteoporosis
C: TB Spine
Answer: C: TB Spine 
Explanation: None