The Connective Tissue Diseases (CTDs)-related Interstitial Lung Disease (ILD) early diagnosis by Transthoracic Ultrasound (TUS) still arises several issues. Gutierrez et al. clearly underlined the current role of ultrasound artifacts for ILD definition according to some Authors. In this Letter to the Editor, we would like to highlight the proper role of TUS and its pitfalls.
Keywords: B-lines; Interstitial lung disease; Ultrasound.