Key result
Primary aortic myxofibrosarcoma can mimic a large vascular thrombus on imaging due to lack of contrast enhancement, highlighting the need to consider neoplastic conditions in the differential diagnosis.
Case Report (n=1)
Primary aortic sarcoma can mimic vascular thrombus on imaging, highlighting the need to consider neoplastic conditions in the differential diagnosis of large intravascular soft tissue lesions.
Non-enhancing aortic lesions may represent sarcoma; leaves open optimal diagnostic algorithms beyond standard imaging.
Aortic sarcoma is a rare vascular malignancy. We report a case of primary aortic myxofibrosarcoma mimicking thrombus. This neoplasm demonstrated no contrast enhancement on computed tomography or magnetic resonance imaging and was clinically suspected to represent a large thrombus, although aortic primary neoplasm was considered in the differential diagnosis on the basis of imaging. Biopsies of the aortic lesion and a concurrent brain lesion were consistent with the diagnosis of aortic myxofibrosarcoma with brain metastasis. This report highlights overlapping imaging features between primary aortic sarcoma and vascular thrombus and the importance of considering neoplastic conditions in the differential diagnosis of large intravascular soft tissue lesions.
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Dang et al. (2009) conducted a case report in Primary aortic myxofibrosarcoma (n=1). Primary aortic myxofibrosarcoma can mimic a large vascular thrombus on imaging due to lack of contrast enhancement, highlighting the need to consider neoplastic conditions in the differential diagnosis.
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