PMC6046175_01
High signal intensity lesion gradually becoming prominent in T2 images.
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MRI revealed no abnormality, such as ossification, stenosis, a mass, or intramedullary signal changes (Figure 1).
CT showing thrombosed aortic dissection in the thoracic region.
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CT revealed a thrombosed aortic dissection in the descending aorta (Stanford type B) and severe arteriosclerosis (Figure 2).
Diffusion-weighted MRI slightly showing abnormality on day 5 (a). Signal changes could be seen a little more clearly on a black and white inverted image (b).
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Diffusion-weighted MRI showed slight abnormality on day 5 (Figure 3).
PMC6046175_02
STIR and diffusion-weighted MRI distinctly showing abnormality but no lesion enhancement.
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We then performed diffusion MRI, which showed the abnormality more clearly (Figure 4).
Enhanced CT showing aortic dissection with aortic aneurysm in the descending aorta.
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The aneurysm had a diameter of 61 mm, which is an indication for surgery (Figure 5).