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MRI Forum
'Artifact'
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Daniel Cronk

Mon. 16 Jun.14,
20:25

[Start of:
'MRI artifact'
3 Replies]

 
  Category: 
Artifacts
 
MRI artifact
Hi. I have recently been experiencing an artifact on a STIR sequence (GE Signa HDxT 3.0T) using a HD CTL spine Coil. I'm am not fully understanding what could be happening here. One MRI technologist thought it was a corduroy artifact due to RF leak, but I'm not 100% sure there was RF leak, at least from the door, as it was closed completely.
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Reader Mail

Tue. 26 Jul.11,
14:05

[Start of:
'MR750: ASSET Artifact or 32 Channel coil?'
1 Reply]

 
  Category: 
Funktional MRI
 
MR750: ASSET Artifact or 32 Channel coil?
Hi,

We are performing fMRI on a GE MR750 Discovery.
As you can see we get artifacts when performing DTI and fMRI.
It looks like herringbones or spikes artifacts. But it appears only at the very top slices where there is generally no more brain.
One possible explanation is that ASSET will produce the artifact where there is no signal.
Another explanation would be that some element of the 32 channel coil is going mad.
Has anybody experienced the same artifact?

Thank you.
 
 
DTI artifact


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adhm ahmed

Sat. 23 Aug.08,
08:32

[Start of:
'Artifact'
2 Replies]

 
  Category: 
Artifacts
 
Artifact
any one know how to solve a problem of ghost (audio freq.)artifact
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adhm ahmed

Wed. 13 Aug.08,
07:17

[Start of:
'Any one know about ghoast artifact'
0 Reply]

 
  Category: 
Artifacts
 
Any one know about ghoast artifact
Have any one an experiance in solving a problem of ghoasting artifacts(audio freq. artifact)
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Reader Mail

Sun. 25 May.08,
07:07

[Start of:
'Artifacts'
2 Replies]

 
  Category: 
Artifacts
 
Artifacts
If any one has an experience in solving a problems of radio freq and zebra strips artifacts with keeping in mind that the shilding is very good
please,tell me about your suggestions
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