Extra pulmonary tuberculosis
like lymphnode tuberculosis is non contagious..
The kidneys and lymph nodes are probably the most common sites for tuberculosis that develops outside the lungs. Tuberculosis can also affect the bones, brain, abdominal cavity, membrane around the heart (pericardium
), joints (especially weight-bearing joints, such as the hips and knees), and reproductive organs.
Tuberculosis in these areas can be difficult to diagnose.