You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Tuberculosis in Pott's disease involves: September 2010 and explain in detail?
Ans. C: Spine Pott's disease is a presentation of extrapulmonary tuberculosis that affects the spine, a kind of tuberculous ahritis of the interveebral joints. It is named after Percivall Pott. The lower thoracic and upper lumbar veebrae are the areas of the spine most often affected. Scientifically, it is called tuberculous spondylitis and it is most commonly localized in the thoracic poion of the spine. Pott's disease results from haematogenous spread of tuberculosis from other sites, often pulmonary. The infection then spreads from two adjacent veebrae into the adjoining interveebral disc space.