Post-primary cavitating tuberculosis. False-colour Chest X-ray showing extensive fibrosis in both lungs (blue areas),the consequences of primary pulmonary tuberculosis. In most chest diseases,including tuberculosis,the appearance on X-rays mirrors the pathology. The primary tuberculous infection,due to the bacterium Mycobacterium tuberculosis,results in areas of pneumonitis (inflammation). In the post-primary stage cavitation may occur,followed by progressive fibrosis | |
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