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| Result: Searchterm 'Meter'
found in 42 messages |
| Result Pages: 1 2 3 4 [5] 6 7 8 9 |
More Results:  Database (127) News Service (31) Resources (36) |
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Elise Gough
Wed. 23 Feb.11,
17:25
[Start of:
'6-1.5T MAGNETS, DIFFERING GRADIENTS'
7 Replies]
 Category:
Applications and Examinations
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| 6-1.5T MAGNETS, DIFFERING GRADIENTS |
What parameter, if any, can compensate between magnets of equal field strength but very different gradient strengths? A T2 FAT sequence on one magnet can look very different on another magnet using same parameters.
Elise Gough RT(R)(CT)(MR)
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Jacob Newton
Thu. 7 Oct.10,
19:22
[Reply (1 of 2) to:
'How does TE affect DWI acquisition?'
started by: 'danilo Scelfo'
on Wed. 29 Sep.10]
Category:
Sequences and Imaging Parameters
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| How does TE affect DWI acquisition? |
I never tried to shorten only the echo time while keeping all other parameters the same, but I would expect a change in SNR and artifact appearance. I would use parallel imaging methods to get a shortest possible echo time. Parallel imaging provides DWI with shorter echo trains associated with further reduction of the echo and repetition times, which reduces susceptibility effects and also image blurring. Additionally, the shorter echo time may lead to changes in ADC measurement.
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danilo Scelfo
Wed. 29 Sep.10,
12:15
[Start of:
'How does TE affect DWI acquisition?'
1 Reply]
Category:
Sequences and Imaging Parameters
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| How does TE affect DWI acquisition? |
Hi folk! Just a breath question: how does TE affect conventional sequence (single shot SE-EPI) for DWI acquisition? In particular, how would two acquisitions differ from each other if acquired with TE=90/106ms respectively (being equal all the other parameters, i.e. TR=11s, same FOV, …)? Thanks for any opinion you will give me. Danilo.
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adam wootton
Thu. 26 Aug.10,
16:58
[Reply (2 of 3) to:
'3T imaging parameters'
started by: 'Nancy Dudek'
on Fri. 26 Aug.05]
Category:
Sequences and Imaging Parameters
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| 3T imaging parameters |
All your parameters will be the same in a 3T as in the 1.5T except for the T1's TR. T1 TR is 700 to 1300.
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| | View the whole thread | | |
Michiel Klitsie
Wed. 2 Jun.10,
14:58
[Reply (1 of 2) to:
'Imaging of the sacral plexus'
started by: 'Michiel Klitsie'
on Wed. 2 Jun.10]
Category:
Applications and Examinations
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| Imaging of the sacral plexus |
I mean nerves with a diameter around 2 a 3 mm. But a high resolution is wanted!
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