What causes both destruction of bone and reduction of joint space?: (A) Tuberculosis, (B) Metastasis, (C) Multiple myeloma, (D) Lymphoma
Answer is A. (a)TB in spine involves- 2 Vertebra (Bone) + Disk (Cartilage)- Paradiscal- Anterior (to spinal cord)Note: Involvement of posterior elements and single vertebra is relatively rare in TB.