Tuberculosis Bone Is due to? (DNB June2012)
|A||Paucibacillary and hematogenous|
|B||Multibacillary and hematogenous|
|C||Paucibacillary and lymphatic|
|D||Multibacillary and lymphatic|
Paucibacillary and Hematogenous
a. Bone and Joint tuberculosis results from haematogenous spread from a pulmonary or other visceral or lymph node focus. Unlike pulmonary tuberculosis, bone and joint tuberculosis is a paucibacillary lesion.
b. Compared to millions of organisms in a cubic centimeter of lung tissue, 100,000 organism in one milliliter of sputum, there are only a million organisms in the entire lesion of spinal tuberculosis.