CTICasesType A Aortic Dissection
Cite this case
[...]. Type A Aortic Dissection. CTICases. Published May 4, 2019. https://str-case-explorer.pages.dev/c/dz37b
Imaging findings
Non-contrast CT shows high-attenuation crescentic intramural hematoma in the ascending aorta. Contrast CT shows a massive ascending aortic aneurysm compressing the SVC, with a focal tear and communication indicating bicuspid aortic valve-associated Type A dissection.
Key takeaways
Type A aortic dissection or intramural hematoma can present as an aneurysm compressing the SVC. Non-contrast CT is highly valuable to identify the hyperdense intramural hematoma, which can be obscured on contrast-enhanced scans.
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