Key result
A rare case of undifferentiated pleomorphic sarcoma of the thoracic aorta presented as a ruptured saccular aneurysm and was diagnosed after TEVAR when a periaortic mass developed.
Why the study?
Mural-based undifferentiated pleomorphic sarcomas presenting as ruptured saccular aneurysms are extremely rare and difficult to differentiate from mycotic aneurysms or penetrating atherosclerotic ulcers.
Case Report (n=1)
Primary undifferentiated pleomorphic sarcoma of the thoracic aorta is a rare entity that can present as a ruptured saccular aneurysm and mimic mycotic aneurysms, highlighting the importance of multimodality imaging.
Aortic sarcomas may mimic ruptured saccular aneurysms; case report leaves open reliable noninvasive differentiation from mycotic aneurysms.
Cases of undifferentiated pleomorphic sarcoma of the thoracic aorta are rare, and usually present with embolic events, renovascular hypertension, or back pain. Mural-based undifferentiated pleomorphic sarcomas that present as ruptured saccular aneurysms are extremely rare and are difficult to differentiate from mycotic aneurysms or penetrating atherosclerotic ulcers. Herein, we report a case of histopathologically proven undifferentiated pleomorphic sarcoma arising from the wall of the descending thoracic aorta that manifested as a mass after thoracic endovascular aortic repair for the treatment of a ruptured saccular aneurysm. We present findings obtained by CT and PET to provide helpful information for the accurate diagnosis and appropriate treatment of future cases.
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Kim et al. (2020) conducted a case report in Undifferentiated Pleomorphic Sarcoma of the Thoracic Aorta (n=1). Thoracic endovascular aortic repair (TEVAR) was evaluated on Diagnosis and clinical course. A rare case of undifferentiated pleomorphic sarcoma of the thoracic aorta presented as a ruptured saccular aneurysm and was diagnosed after TEVAR when a periaortic mass developed.
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