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Insights into Imaging
Fig. 3 | Insights into Imaging

Fig. 3

From: Broken-crescent sign at CT indicates impending aortic rupture in patients with acute aortic intramural hematoma

Fig. 3

a Unenhanced axial CT shows a smooth eccentric defect (white arrow) in the hyper-attenuating crescentic hematoma (black arrow) along the descending thoracic aorta and (b) corresponding focal out-bulging (white arrow) of the aortic lumen with smooth obtuse edges in enhanced study, outward displacement of partially torn adventitia (open black arrow), dislodged blood clot (white open arrow), and left pleural effusion. Note the absence of intimal flap or contrast medium extravasation

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