IntroductionInterstitial pulmonary fibrosis (IPF) is a frequent manifestation in patients with connective tissue disorders (CTD). Recently the ultrasound (US) criterion validity for its assessment has been proposed, however the US scoring systems adopted include the study of several lung intercostal spaces (LIS) which could be time consuming in daily clinical practice.
The aim of this study was to investigate the utility of a simplified US B-lines scoring system compared with both the US comprehensive assessment and the HRCT findings of IPF in CTD patients.
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