ArticleRadiology case reports2026
Atypical presentation of an impending thoracoabdominal aortic aneurysm rupture: The hyperattenuating crescent sign as a life-saving imaging feature.
Article in Radiology case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
An aortic aneurysm is defined as a focal dilatation of the aortic diameter, often remaining clinically silent until the onset of potentially fatal complications. Detection at the prerupture stage represents a major diagnostic challenge for both clinicians and radiologists, yet it can be life-saving. We report the case of a 55-year-old female patient who presented with persistent epigastric pain unresponsive to medical treatment. CT angiography revealed an approximately 58-mm symptomatic thoracoabdominal aortic aneurysm with a hyperattenuating crescent sign concerning for impending rupture, highlighting the pivotal role of vascular imaging in the early diagnosis of this silent but life-threatening condition.
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