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'Slice'
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Davit Kharshiladze

Sun. 20 Mar.22,
03:22

[Start of:
'Slice Interpolation'
0 Reply]

 
  Category: 
Sequences and Imaging Parameters
 
Slice Interpolation
Hod do I disable slice interpolation in FFE3D sequence on Toshiba vantage 3T
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payam b

Tue. 29 Sep.09,
00:48

[Start of:
'Question: Slice Thickness and Slice spacing'
0 Reply]

 
  Category: 
Applications and Examinations
 
Question: Slice Thickness and Slice spacing
Hi every body, I have a question which may seem a simple one:
What is the relation between the slice thickness and slice spacing in MR images?
If we zero pad in slice direction , are we changing the slice thickness or slice spacing or maybe both of them?
 
 

Image
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Reader Mail

Wed. 4 Oct.06,
17:58

[Start of:
'interleaved slices and mean intensity difference in adjacent slices'
1 Reply]

 
  Category: 
General
 
interleaved slices and mean intensity difference in adjacent slices
On the crosstalk artifact page it says that when interleaved slice acquisition is used, there can be large mean intensity difference between adjacent slices. I would appreciate it if someone could let me know what is the theoretical basis for this and what is meant by "large".
Thanks!
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Riccardo Melis

Tue. 24 Sep.24,
03:27

[Start of:
'Bruker Paravision 4.0 Type of Image Reconstruction'
0 Reply]

 
  Category: 
Sequences and Imaging Parameters
 
Bruker Paravision 4.0 Type of Image Reconstruction
Hello everyone!

Anyone here using the MRI Bruker Paravision software?

I would need to know with which method (SENSE or GRAPPA) the T2-weighted images are reconstructed (as example by using a Multi Slice Multi Echo sequence)

Thank you in advance!
Riccardo
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Renate Semrau

Mon. 28 Aug.23,
07:23

[Reply (1 of 2) to:
'Improving MEDIC/MERGE/M-ffe and GRE/FFE image quality'
started by: 'Dan Lopez'
on Sun. 27 Aug.23]

 
  Category: 
Sequences and Imaging Parameters
 
Improving MEDIC/MERGE/M-ffe and GRE/FFE image quality
Hi,
Sequences with multiple echoes are unfortunately sensitive to motion and flow artifacts, with the mFFE the echoes are still cumulated afterwards. The use of the head-neck coil provides better SNR. Important are good flow compensation, rest slab, try out foldover direction l/r vs. a/p. Shimming may help, synergy is sometimes better as clear, don't take too many slices, but maybe the signal loss is also a technical problem. Problems in the lung region are common. In short, we use 2D T2 TSE with continuous flow comp.

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