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Table 2 Imaging features of primary sarcoma of the great vessels

From: Imaging features of primary Sarcomas of the great vessels in CT, MRI and PET/CT: a single-center experience

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