Fig. 4
From: A pictorial review of the utility of CEUS in thoracic biopsies
Patient with squamous cell carcinoma. a CT examination shows a solid appearing lung lesion (arrow). b PET-CT suggests small areas of necrosis (thin arrow) within the avid lesion (arrow). c, d Simultaneous B mode and CEUS images show the hyperenhancing lesion (arrow) with better appreciation of the complexity and volume of necrosis (thin arrows) indicating a deep eccentric portion required targeting for biopsy (arrow)