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- Title
Nontuberculous mycobacterial pulmonary disease presenting as bronchiolitis pattern on CT without cavity or bronchiectasis.
- Authors
Yoon, Sung Hyun; Kim, Hyung-Jun; Kim, Jihang; Kim, Junghoon; Lee, Jae Ho
- Abstract
Background: This study aimed to investigate the radiological changes in patients with nontuberculous mycobacterial pulmonary disease (NTM-PD) having bronchiolitis patterns on computed tomography (CT). Methods: We retrospectively reviewed the final diagnosis and radiologic changes of patients suspected of having NTM-PD without cavity or bronchiectasis on CT image, between January 1, 2005 and March 31, 2021. NTM-PD was diagnosed based on the American Thoracic Society and Infectious Diseases Society of America criteria. The initial and final CT findings (bronchiectasis, cellular bronchiolitis, cavity formation, nodules, and consolidation) were compared between patients diagnosed with and without NTM-PD. Results: This study included 96 patients and 515 CT images. The median CT follow-up duration was 1510.5 (interquartile range: 862.2–3005) days. NTM-PD was recognized in 43 patients. The clinical variables were not significantly different between patients with and without NTM-PD, except for underlying chronic airway disease (P < 0.001). Nodule and consolidation were more frequently observed on the initial CT scans of patients with NTM-PD compared with those without (P < 0.05). On the final follow-up CT scan, bronchiectasis (P < 0.001), cavity (P < 0.05), nodule (P < 0.05), and consolidation (P < 0.05) were more frequently observed in patients with NTM-PD. Among the 43 patients with NTM-PD, 30 showed a radiological progression on CT, with bronchiectasis (n = 22) being the most common finding. The incidence of bronchiectasis increased over time. Conclusion: The bronchiolitis pattern on CT images of patients with NTM-PD showed frequent radiological progression during the follow-up period.
- Subjects
MYCOBACTERIAL diseases; LUNG diseases; COMPUTED tomography; LUNG infections; COMMUNICABLE diseases; BRONCHIECTASIS; BRONCHIOLITIS
- Publication
BMC Pulmonary Medicine, 2024, Vol 24, Issue 1, p1
- ISSN
1471-2466
- Publication type
Article
- DOI
10.1186/s12890-024-03223-2