Abstract
Penetrating aortic ulcers (PAU) of the thoracic aorta arise when atherosclerotic lesions rupture through the internal elastic lamina of the aortic wall with subsequent hematoma formation between the media and the adventitia. The ulcers are most often found in the distal descending thoracic aorta but can occur throughout the thoracic and abdominal aorta and have a characteristic appearance on chest computed tomography (CT) (Fig. 37.1) and magnetic resonance imaging. PAUs may represent one pathology in the spectrum of acute aortic diseases but it may be associated with aortic dissection and aneurysm formation, although it is distinct from those conditions.
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References
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Kpodonu, J. (2010). Endovascular Management of Penetrating Aortic Ulcer. In: Manual of Thoracic Endoaortic Surgery. Springer, London. https://doi.org/10.1007/978-1-84996-296-4_37
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DOI: https://doi.org/10.1007/978-1-84996-296-4_37
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