Thesis (M.Sc.) - Cairo University - Faculty of Medicine - Department of Rradio-Diagnosis

Lung ultrasound (LUS) is a noninvasive, non-radiating examination and is very sensitive to detect subtle changes in the subpleural space ( Manolescu et al. ,2018).At the start of ILD, pleural irregularities are most often in the lower fields of the lungs and progressively there is a spreading in middles and upper fields of the lungs with the progression of ILD( Buda et al. ,2016)( Falcetta et al. ,2018).The evidence of diffuse, multiple B-lines defined as vertical, hyperechoic artifacts is the hallmark of interstitial lung disease . A thick, irregular, fragmented pleura line is associated with subpleural fibrotic scars. The distribution of the LUS artifacts has a diagnostic value (Manolescu et al.,2018).To assess the pleural and parenchymal findings, the sonograms were analyzed for (1) existence of comet tail artifacts (B-lines), (2) a thickened pleural line, (3) an irregular, fragmented pleural line, and (4) echogenic

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