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| Result: Searchterm 'Contrast'
found in 78 messages |
| Result Pages: 1 2 3 4 5 6 7 8 9 10 11 12 [13] 14 15 16 |
More Results:  Database (373) News Service (140) Resources (28) |
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Reader Mail
Wed. 26 Jul.06,
11:56
[Reply (1 of 2) to:
'vibe sequences in neuro mri?'
started by: 'syam reddy'
on Wed. 25 Jan.06]
 Category:
Sequences and Imaging Parameters
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| vibe sequences in neuro mri? |
Vibe is a breathhold technique, so mor suitable for abdomen imaging.
mprage goes very well for post contrast brain imaging
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|  View the whole thread | | |
Michael Oliver
Sat. 27 May.06,
12:54
[Reply (1 of 3) to:
'ETL for a STIR'
started by: 'Shaun Schofield'
on Thu. 30 Mar.06]
Category:
Sequences and Imaging Parameters
|
| ETL for a STIR |
I prefer a range from 5-12 (but using shorter TE and TR). High echo trains can lead to blurring, image noise and contrast inhomogeneities.
Parallel imaging can reduce the longer scan time of low ETLs; also often 1 NSA is enough for sufficient SNR.
Hope this helps!
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| | View the whole thread | | |
Reader Mail
Sun. 21 May.06,
13:53
[Reply (1 of 3) to:
'What Philips calls bandwidth'
started by: 'Anne Nelson'
on Thu. 4 May.06]
Category:
General
|
| What Philips calls bandwidth |
The corresponding term is the water fat shift and can be changed in the contrast parameter table.
Lower bandwidth = higher water fat shift
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| | View the whole thread | | |
Donna Ponticello
Sun. 21 May.06,
13:49
[Reply (1 of 2) to:
'Omniscan Distribution Rate'
started by: 'John Dowling'
on Tue. 9 May.06]
Category:
Contrast Agents
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| Omniscan Distribution Rate |
I do not doubt that there are small and may be in special cases (perfusion, MRA, etc.) useful differences.
However, I have a lot of practice in MRI and in my opinion, you are right, the differences are small and you can run every type of MRI scans with all conventional Gadolinium containing contrast agents.
D. P.
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| | View the whole thread | | |
John Dowling
Tue. 9 May.06,
22:36
[Start of:
'Omniscan Distribution Rate'
1 Reply]
Category:
Contrast Agents
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| Omniscan Distribution Rate |
I was told by the GE rep that Omniscan has a faster distribution rate, that should lend itself to better images/application to specific technologies. Is this claim valid? This is the first I've heard of this type "spin" on contrast agents. <pun intended>
In my experience, I have not seen much difference in image quality from various contrast agents. Any thoughts or experiences are appreciated.
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