The 1st sign of TB is:: (A) Narrowing of intervertebral space, (B) Rarefaction of vertebral bodies, (C) Destruction of laminae, (D) Fusion of spinous processes
Answer is A. (a)- The earliest feature is loss of curvature due to paravertebral spasm.- The next radiological feature of spinal tuberculosis is reduction of intervertebral disk space and osteoporosis of two adjacent vertebrae sometimes with fuzziness of the endplates.