Pulmonary tb can involve the airways, leading to mucosal edema, hypertrophy, and hyperplasia of mucous glands, increased mucus secretion, and smooth muscle hypertrophy. This affects the caliber of the airways, increases its strength, and decreases airflow.* through the mechanism of cicatricial fibrosis, there is also a reduction of total lung capacity
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Pulmonary TB can involve the airways, leading to mucosal edema, hypertrophy and hyperplasia of mucous glands, increased mucus secretion and smooth muscle
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Bronchial microvessel remodeling is not as prominent as in asthma.In chronic obstructive pulmonary disease (COPD), increased mucin stores occur because of surface epithelial mucous metaplasia and some hyperplasia, together with increases in the volume and number of the submucosal glands.
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