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: Unknown
The most common sequelae of tuberculous spondylitis in an adolescent is 
Select and explain. 
A. Fibrous ankylosis, B. Bony ankylosis, C. Pathological dislocation, D. Chronic osteomyelitis
B: Bony ankylosis
Answer: B: Bony ankylosis 
Explanation: Fibrous ankylosis is seen in healed tubercular joints. Bony ankylosis is seen in healed tubercular spine.