Fig. 7
From: A pictorial review of the utility of CEUS in thoracic biopsies
Male patient with chest wall swelling. a A CT examination showed focal soft tissue thickening (arrow) encasing the internal mammary artery (IMA) (thin arrow). b On the B mode ultrasound, the lesion (arrow) blends with striated muscle but the IMA is not seen. c CEUS defines the hypoenhancing pathological tissue (arrow) encasing the IMA (thin arrow). d, e Simultaneous B mode and CEUS imaging with an 18-gauge biopsy needle (thin arrows) advanced to the lesion avoiding the IMA (arrow). The lesion was histologically proven lymphoma