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Infectious disease caused by a bacteria that grows in the lung
Conceptual image of Mycobacterium Tuberculosis bacteria on a cellular surface http://www.sciencephoto.com/image/143129/530wm/C0080175-Conceptual_image_of_TB_bacteria-SPL.jpg
Symptoms are general: fever, cough, chest pain, tiredness
Bacteria can remain dormant in body for decades and can also recur in patients who have had TB before
Diagnosis: chest x-ray, swab
. Coloured X-ray (front view) of the chest in a 50 year old male patient, showing fibrosis in the lungs from old tuberculosis (orange, at upper left) and an infection of new tuberculosis (green, at right). TB can recur at periods when the patient's immune system is weakened.
Chest x-ray of a 25 year old male patient with TB.
Lung (dark areas) show grainy white patches which are the affected areas.