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Year : 2020  |  Volume : 4  |  Issue : 2  |  Page : 289-294

Multislice computed tomography multiplanar reconstruction chest and three-dimensional reconstruction imaging of the airway remodeling in evaluation of asthma and chronic obstructive lung disease

1 Department of Radiodiagnosis, Faculty of Medicine for Girls, Egypt
2 Department of Radiodiagnosis, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt
3 Department of Radiology, Fayoum Fever Hospital, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt

Correspondence Address:
Prof. Suzan A F Swelum
Department of Radiodiagnosis, Faculty of Medicine for Girls, Al-Azhar University, Cairo
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/sjamf.sjamf_48_20

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Objective This study aims to estimate the role of multislice computed tomography multiplanar reconstruction and three dimensional in evaluation of the airway remodeling and lung parenchyma in patients with asthma and those with chronic obstructive lung disease. Patients and methods Asthmatic patients (n=19) and patients with chronic obstructive pulmonary disease (COPD) (n=31) underwent chest high-resolution computed tomography. We selected the apical bronchus (B1) and the posterior basal bronchus (B10) of the right lung. A segmental bronchus was defined as the third-generation bronchus. Wall area (WA) was calculated as Ao−Ai. The percentage wall area (WA%) was calculated as (WA/Ao)×100 and then assessed for each generation from two bronchi. Results Total WA% in patients ranged between 74.6 and 95.2, with a mean±SD of 84.9±5.5. Although the total WA% in patients with asthma was higher than in those with COPD (86.1±5.8 vs. 84.1±5.3), it was not statistically significant (P=0.231). Regarding the parenchymatous lung changes, these changes were detected in patients with both disease groups; Hounsfield unit ranged between −1042 and −855, with a mean±SD of −944.0±56.1. We demonstrated that COPD group had statistically significantly lower Hounsfield unit (mean±SD=−959.8±57.8) compared with bronchial asthma group (mean±SD=−919.1±34.1), with P=0.006. Conclusion Quantitative computed tomography has been widely used as an imaging tool in patients with COPD and those with bronchial asthma. Now it is possible to analyze the lung parenchyma and airways quantitatively using digital data from computed tomography.

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