Bronchiectasis and Mycobacterium avium infection
A male patient 49 years old, a long-term smoker, with intense productive cough, followed by expectoration of bloodless sputum. He was referred for bacteriological analysis of the sputum and a lung CT scanner to confirm the diagnosis of the disease. Bacteriological analysis of sputum confirmed the existence of Mycobacterium avium infection. On this coloured CT scan, axial tomogram, lung window, we see reduced transparency of the lung parenchyma in the form of blur, dirty rough parenchyma, similar to "ground glass" opacified, with permanently dilated and thick-walled bronchi - bronchiectasis, localized in the left lung. All dilated bronchi show thick walls along with fibrosis fields in the form of banded formations - "tramlines" sign. Some dilated bronchi show signs of wall disappearance and merging into larger lobulated formations. Around the bronchiectasis field of reactive pneumonitis as a sign of present inflammation/infection. Rare soft tissue micronodular changes in both lungs. Rare subpleural thickenings are seen bilaterally.
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