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MRI Forum
'sequence'
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Result: Searchterm 'sequence' found in 106 messages
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Peter Jefferson

Tue. 24 Jan.12,
21:33

[Reply (1 of 7) to:
'Imaging optic neuritis'
started by: 'Karen Lesley'
on Wed. 18 Jan.12]

 
  Category: 
General
 
Imaging optic neuritis
A coronal STIR or T2 weighted sequence with fat suppression is useful to show an opticus neuritis.
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Reader Mail

Sat. 7 Jan.12,
11:29

[Start of:
'Diffusion Weighted Images'
0 Reply]

 
  Category: 
Applications and Examinations
 
Diffusion Weighted Images
What are the best sequences for evaluating of the female pelvis. Regarding that I am doing a research on the role of DWI in characterization of female pelvic masses. Our machine is a Hitachi Airis Avento. I did not find the b value, however a diffusion button is there. rn
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Adana Osco Barras

Tue. 3 Jan.12,
21:09

[Reply (1 of 2) to:
'Hyperintense blood vessels in SE'
started by: 'Peruvumba Jayakumar'
on Thu. 29 Dec.11]

 
  Category: 
Sequences and Imaging Parameters
 
Hyperintense blood vessels in SE
Prolonged T1 relaxation times, decreased T1 tissue contrast, and increased susceptibility rnare typical effects at high field MRI.rnDue to the longer T1 times at 3T, the signal rnintensity inside the vessels is preserved even in smaller vessels. Try TR 700, TE 10.rnInversion recovery sequences are very well suited for optimal gray to white matter contrast, but enhancement after administration of gadolinium may not be visible.
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Raymond Chang

Thu. 15 Sep.11,
18:03

[Start of:
'SEMS vs. STEMS'
0 Reply]

 
  Category: 
Sequences and Imaging Parameters
 
SEMS vs. STEMS
I have a quick question about a pulse sequence. What is the difference between a conventional SEMS vs STEMS?
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Reader Mail

Wed. 1 Jun.11,
14:14

[Start of:
'Dixon technique'
1 Reply]

 
  Category: 
Sequences and Imaging Parameters
 
Dixon technique
I have been searching the web for information regarding a "double-echo two-excitation pulse sequence encoding fat and water signals for a phase-sensitive three-point Dixon type analysis". Does anyone know what pulse sequence(s) this is referring to, or a publication that might be helpful???
Thanks
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