Stefan Röttger

← GradMag and MR | ● | GradMag Inverse →

Shootout between MIP and GradMag as the employed techniques for the visualization of a breast tumor:

vs.

The magnetic field of a MR machine principally is never perfectly homogeneous.

• Hence, a MR image is often darker at the volume boundaries
• or the same material is shown with different scalar values.

As a conclusion, we cannot regard MR values to have the same absolute preciseness compared to the observed Hounsfield units in CT images.

Therefore, gradient magnitude is the method of choice with MRI!

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