J Korean Soc Radiol.  2020 Sep;81(5):1204-1209. 10.3348/jksr.2019.0119.

Undifferentiated Pleomorphic Sarcoma of the Thoracic Aorta Presenting with Ruptured Saccular Aneurysm: A Case Report

Affiliations
  • 1Department of Radiology, Daegu Catholic University College of Medicine, Daegu, Korea
  • 2Department of Thoracic Surgery, Daegu Catholic University College of Medicine, Daegu, Korea

Abstract

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.

Keyword

Sarcoma; Aortic Aneurysm; Computed Tomography; X-Ray; Positron Emission Tomography
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