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Insights into Imaging
Fig. 4 | Insights into Imaging

Fig. 4

From: A pictorial review of acute aortic syndrome: discriminating and overlapping features as revealed by ECG-gated multidetector-row CT angiography

Fig. 4

Dissection variant intramural haematoma (IMH) in a 54-year-old man who presented with acute chest pain. a Non-contrast CT image shows a crescent-shaped high-density area in the ascending aorta and descending aorta (arrowhead). b On the axial contrast-enhanced CT image, neither the flow channel nor intimal flap is detected along the entire aorta, consistent with IMH. c Oblique sagittal MPR image demonstrates widespread extension of type A IMH throughout the whole thoracic aorta. An ‘ulcer-like projection,’ the radiological finding of a focal disruption of the surface of the aortic wall from the true lumen into the thrombosed false lumen, is identified at the mid ascending aorta (arrow). During surgery, a small thrombosed focal primary intimal tear (PIT) was identified at the corresponding site

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