<prompt> The most common sequelae of tuberculous spondylitis in an adolescent is :Fibrous ankylosisBony-ankylosisPathological dislocationChronic osteomyelitis  <response>: The usual outcome of healed tuberculosis in spine is the bony ankylosis and in peripheral joints like Hip and Knee Fibrous ankylosis is seen. Note: Ankylosis-Abnormal stiffening and immobility of a joint due to fusion either by fibrous tissues or by bone. 