Fig. 5
From: Diagnostic validity of thoracic ultrasound in the assessment of pulmonary embolism
CT pulmonary angiography (a) and ultrasound (b, c) images. a An axial section in the mediastinal window showing right lateral basal segmental branch dilatation with a filling defect seen inside and associated with a distal infarction (red arrows). b A right lower lung polygonal pleural-based hypoechoic lesion (yellow arrow). c A color Doppler image showing no detectable internal vascularity (open yellow arrow)