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Zeugmatography
 
Term for MR imaging coined from Greek roots suggesting the role of the magnetic field gradient in joining the RF magnetic field to a desired local spatial region through magnetic resonance.
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• View the DATABASE results for 'Zeugmatography' (4).Open this link in a new window

Zipper ArtifactInfoSheet: - Artifacts -
Case Studies, 
Reduction Index, 
etc.MRI Resource Directory:
 - Artifacts -
 
Quick Overview
Artifact Information
NAME
Zipper, star
DESCRIPTION
Bands through image center
REASON
Hardware or software problems
HELP
Larger FOV, oversampling
Zipper artifacts appear as dashed lines. There are various causes for this MRI artifact.
Most of zipper artifacts result from inhomogeneities of the magnetic field caused by interferences with radio frequency from various sources ('your radio is working in the scanner room means your shielding is not working'). Software and equipment problems can also cause zipper lines in both directions.
mri safety guidance
Image Guidance
Scanning room door during the acquisition of images is closed, shielding is working, and all disturbing devices are removed?

See also Room Shielding, Active Shielding, Radio Frequency Shielding.
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