Title: High‐resolution CT pulmonary findings in idiopathic ankylosing spondylitis: correlations with clinical assessment, plain chest X‐ray and pulmonary function tests
Abstract:Abstract Aim: The aim of this study is to evaluate pulmonary manifestations of ankylosing spondylitis on high‐resolution computed tomography (CT) scan and to correlate these findings with clinical ass...Abstract Aim: The aim of this study is to evaluate pulmonary manifestations of ankylosing spondylitis on high‐resolution computed tomography (CT) scan and to correlate these findings with clinical assessment, plain chest X‐ray and pulmonary function tests. Methods: The study comprised 32 patients (26 males [81.3%], 6 females [18.8%]) who met the modified New York criteria for diagnosis of idiopathic ankylosing spondylitis; in addition 10 normal subjects not complaining of any respiratory symptoms and matched for age and sex served as a control group. All patients were subjected to full history‐taking, full clinical examination, chest X‐ray, high‐resolution computed tomography (HRCT) chest and pulmonary function tests. Results: The abnormalities on HRCT included evidence of apical lung fibrosis in two patients (6.3%), interstitial lung disease in six (18.8%), minor interstitial abnormalities in eight (25%), bronchiectasis in four (12.5%), lung nodules in three (6.3%) and pleural thickening in five patients (6.3%). Nine patients (28.1%) showed negative findings by chest X‐ray which revealed positive findings on HRCT. Five patients (15.6%) showed positive findings on both HRCT and plain chest X‐ray, and 18 patients (56.3%) showed no findings on both HRCT and chest X‐ray. Four patients (12.5%) showed normal pulmonary function tests, 25 (78.13%) showed restrictive pattern, 17 (53.13%) had obstructive pattern and 26 patients (81.3%) had diffusion defects. Conclsuion: The identification of non‐apical minor basal interstitial lung disease in our study which was previously reported in other studies, raises a possible association to ankylosing spondylitis. High‐resolution CT scan is more sensitive than chest X‐rays in detection of such minor interstitial lung disease (ILD), and other parenchymal lung changes.Read More
Publication Year: 2007
Publication Date: 2007-05-15
Language: en
Type: article
Indexed In: ['crossref']
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