Abstract
Purpose : To compare high-resolution CT (HRCT) findings of bronchiectasis caused by tuberculosis and due tocauses other than tuberculosis. Materials & Methods : We retrospectively evaluated the HRCT findings of 93patients with bronchiectasis (in 40 patients caused by tuberculosis, and in 53 due to nontuberculous causes).Diagnostic bases for tuberculous bronchiectasis were positive sputum AFB or the presence of radiological findingsof pulmonary tuberculosis, plus a history of antituberculous chemotherapy. HRCT findings were analyzed andcompared in terms of disease extent, site, type, distribution of bronchiectasis, severity of bronchial dilatation,and bronchial wall thickening . Results : Compared with nontuberculous bronchiectasis, the tuberculousbronchiectasis group showed more frequent upper lobe involvement, varicose type bronchiectasis, fibrotic band andcalcification, adjacent pleural thickening, bronchovascular distortion, and paracicatricial emphysema (p
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