Fig. 6
From: Solid malignant retroperitoneal masses—a pictorial review
Imaging of synovial sarcoma. An 18-year-old man who presented with shortness of breath. a Axial contrast-enhanced CT shows a large heterogeneous retroperitoneal/retrocrural soft-tissue mass (arrow), which is displacing the aorta (arrowhead). b Coronal CT shows the extension of the retroperitoneal mass into the mediastinum. There is a right-sided pleural effusion and soft tissue pleural metastases (arrow)