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MRI Forum: is this kind of zebra artifac ...
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luna xu

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Fri. 5 Jun.15,
14:22
is this kind of zebra artifact?
Always existed artifact made us crazy, is this a kind of zebra artifact or something? the line are in the phase encoding direction, really confusing.
 
 
artifact
Renate S.

Sat. 6 Jun.15,
13:18
 Looks more like a Zipper artifact. Can be caused by electronic noise. Switch off all light bulbs, remove all electronic equipment from the scanner room, make sure that the door is really closed (clean the contacts between door and jam if necessary) and try again. If the artifact consists control the penetration panel where the cables enter the room and the faraday cage, it is possible that there is a leak in the RF shield. If the artifact remains with all coils and sequences you need the service to repair the problem.
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