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5 years MRA follow-up of unruptured aneurysm

Case Study
Li, Yuehua, M.D., Ph.D. Shanghai No.6 Hospital • China, People's Republic of

Patient history

A 57-year-old female with a cerebral aneurysm on the C5 segment was followed over a period of 5 years using noninvasive, non-contrast 3D TOF MRA at The Sixth Affiliated People’s Hospital, Shanghai Jiao Tong University, China.

MR examination

Diagnostic imaging was done on Achieva 3.0T with an 8-channel head coil. A protocol with 3D T1W FFE was used. MIP and volume-rendered images were reconstructed. Single-artery highlighting method was used to reduce arterial overlay.


3D T1W FFE was used with TR 35 ms, TE 7 ms, flip angle 20 degrees, FOV 250 × 190 × 108 mm,

matrix 732 × 1024, 4 slabs, 180 slices of 0.8 mm, scan time 8:56 min.


MIP and volume-rendered images were reconstructed.

Single-artery highlighting method was used to reduce arterial overlay.


Click on an image to enlarge


MR angiography using 3D TOF (time-of-flight) shows that the aneurysms didn't change much over the period of 5 years, which indicates that the aneurysm is stable and intervention therapy was not needed.

Clinical impact of using 3D TOF MRA for imaging smal aneurysms

This non-invasive 3D TOF MRA method provides excellent images for the visualization of small aneurysms with a high degree of accuracy and sensitivity. MIP and volume rendered images allows viewing from multiple angles.


This MR angiography method can be performed without contrast agent and without ionizing radiation.




Related reading:

FieldStrength article: Imaging small cerebral aneurysms using non-invasive MR angiography


Results from case studies are not predictive of results in other cases. Results in other cases may vary.

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Dec 28, 2016

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Case Study
Achieva 3.0T
3D TOF, aneurysm, Head, MR angiography, MRA, Neurovascular, SENSE Head coil, Vascular

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