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Insights into Imaging
Fig. 2 | Insights into Imaging

Fig. 2

From: MR diagnosis of vertebral artery dissection: value of 3D time-of-flight and true fast imaging with steady-state precession fusion imaging

Fig. 2

a A 63-year-old man complaining of headache. The left vertebral artery dissection on 3D TOF (A and B) is not clear (arrow). Its shape is not equal to what is evident on fused images. Fused image shows enlargement of the overall vessel diameter with an intramural haematoma in the left vertebral artery. Fused image enabled precise assessment of the relationship between the inner and outer contours of the vessels (arrow). (A) 3D TOF, (B) 3D TOF (MIP), (C) TOF and true-FISP fusion (axial), (D) TOF and true-FISP fusion (oblique). b Four months later, he underwent follow-up MRI. Vertebral artery dissection was confirmed on imaging follow-up by monitoring normalization of the vessel lumen. Follow-up MRI scan indicated normalization of the vessel lumen (arrow). (A) 3D TOF, (B) 3D TOF (MIP), (C) TOF and true-FISP fusion (axial), (D) TOF and true-FISP fusion (oblique)

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