Table 2 Imaging features of primary sarcoma of the great vessels
Basic imaging features | |
|---|---|
Pulmonary artery sarcoma | Aortic sarcoma |
Large unilateral obstruction of the main pulmonary arteries | Pedunculated or lobulated appearance |
Unusual location | |
Vascular distension | |
Expansion beyond the vessel wall | |
Expansion beyond the vessel wall | |
Lack of improvement of a ‘pulmonary embolism’ despite adequate anticoagulation | |
No evidence of a deep-venous thrombosis | |
Imaging findings during detailed work-up | |
High metabolic activity as demonstrated by F-18 FDG PET or PET/CT | |
Lesion vascularization (as demonstrated by contrast-enhanced dynamic or perfusion MRI or CT) | |
Distant metastases | |