Spontaneously Healed Asymptomatic Pulmonary Tuberculosis: Prevalence of Airflow Obstruction, and Correlation Between High-Resolution CT Findings and Pulmonary Function Tests
- Authors
- Lee, Ki Yeol; Shin, Chol; Lee, Jung Bok; Kang, Eun-Young; Oh, Yu Whan; Je, Bo Kyung; Choo, Ji Young; Yoon, Dae Wui; Cho, Pyong-Kon
- Issue Date
- 9월-2012
- Publisher
- LIPPINCOTT WILLIAMS & WILKINS
- Keywords
- tuberculosis; tomography; computed tomography; respiratory function test; airway obstruction; prevalence
- Citation
- JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY, v.36, no.5, pp.528 - 533
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY
- Volume
- 36
- Number
- 5
- Start Page
- 528
- End Page
- 533
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/107490
- DOI
- 10.1097/RCT.0b013e3182606b8d
- ISSN
- 0363-8715
- Abstract
- Rationale and Objectives: We investigated the relationships between spontaneously healed asymptomatic pulmonary tuberculosis (SHAPTB), airflow obstruction (AFO), and high-resolution computed tomography (HRCT) findings. Materials and Methods: We selected 82 participants with SHAPTB diagnosed by interferon-gamma release assay and 8044 with normal chest radiographs (CXR). We applied a CT scoring system for the extent of tuberculous sequelae to correlate the HRCT findings with pulmonary function test. We compared the AFO prevalence between subjects with and without SHAPTB. Results: The subjects with SHAPTB diagnosed by interferon-gamma release assay had a significantly higher prevalence of AFO (13.4% [11/82]) than those with normal CXR (7.4% [595/8044]). The important HRCT findings that correlated with AFO were the number of lung segments with TB sequelae and the CT score for emphysema. Conclusion: The subjects with SHAPTB had a higher AFO prevalence than those with normal CXR, and the important HRCT findings correlated with AFO were the extent of tuberculous sequelae and emphysema.
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