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Non-contrast MR angiography of multiple cerebral aneurysms

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

Patient history

A patient with a multiple cerebral aneurysms underwent noninvasive, non-contrast 3D time-of-flight (TOF) MR angiography.


The study demonstrates that these aneurysms can also be visualized with a non-invasive procedure. This examination took place in The Sixth Affiliated People’s Hospital, Shanghai Jiao Tong University (China).

MR examination

MR angiography was done on Achieva 3.0T with an 8-channel head coil.


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 was 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


3D TOF MRA (time-of-flight) demonstrates bilateral small cerebral aneurysms arising from C5 and C6 segments.

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.


The MR angiography is performed without contrast agent.




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 6, 2016

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

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