Hi, the caries and collapse might be due to TB spine or Pott's disease, which is also known as Pott’s caries, David's disease, and Pott's curvature, is a medical condition of the spine. Individuals suffering from Pott's disease typically experience back pain, night sweats, fever, weight loss, and anorexia. They may also develop a spinal mass, which results in tingling, numbness, or a general feeling of weakness in the leg muscles.