MRI ARTIFACTS Flashcards
1
Q
Anything appearing on the
image that is not present in the
object scanned
• They may make the image
unclear and harder to interpret,
or they can mimic the
appearance of pathology
A
IMAGE ARTIFACTS
2
Q
Occurs due to the phenomenon of nuclear dipole-dipole interactions
• shortened T2 relaxation time;
• bright signal on T1-weighted images and can occur in tissue with higher collagen fibers
A
MAGIC ANGLE ARTIFACT
3
Q
• Appearance
• Bright and sharp signal intensity
• Cause
• tissues are aligned at approximately 55 degrees to the main magnetic field
A
MAGIC ANGLE ARTIFACTS
