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| Shady Artifact |   |
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Quick Overview
DESCRIPTION
Localized inhomogeneous brightness
HELP
Check the correct positioning, call the service
Uneven intensity or brightness may occasionally be noted on high field MRI e.g. of the brain. There are various causes of localized inhomogeneous brightness across the MRI images such as improper tuning of the RF transceiver, unbalanced deposition of the RF energy due to incorrect geometry and localized attenuation due to positioning or anatomical variants.
Image Guidance
Tuning of the RF transceiver, a homogeneity correction filter and better positioning of the scanned object and/or coil in the scanner. | |
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