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How is spinal bone TB spread?

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42F, NR, Healed TB, Caseation necrosis, granuloma, Negative, MTB, INH, EMB, RIF or SM (11 mo); INH, EMB (20 mo), Anterior spinal fusion, bone graft, debridement (T12–L1), Cured .... Importantly, respiratory transmission of TB has been documented in patients with AFB smear-negative sputum. read more

Tuberculosis of the spine is know as Pott’s disease. It spreads to the bones via the bloodstream from the place the infection started (usually the lungs). The infection gets its start in the lungs in the usual fashion (by inhaling the tubercle bacillus. read more

Skeletal TB accounts for 10–20% of all extrapulmonary TB, with spinal involvement in 50–60% of all skeletal TB cases or in <1% to 5% of all TB cases.2, 3, 4, 5, 6, 7, 8, 9 Pott's disease, first described by Percival Pott, is MTB infection of the vertebral spine and typically involves thoracic and lumbar anterior vertebral bodies. read more

Spinal tuberculosis, if left untreated, can spread from one vertebra to the next, weakening the bones and destroying the cushioning discs between them. In severe cases, the spine can collapse and pinch the spinal cord, causing paralysis of the lower body. read more

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