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| Result: Searchterm 'Image'
found in 129 messages |
| Result Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 [25] 26 |
More Results:  Database (454) News Service (255) Resources (73) |
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John Dowling
Tue. 9 May.06,
22:30
[Reply (1 of 2) to:
'CE-MRA Vasovist protocol'
started by: 'Reader Mail '
on Sun. 19 Feb.06]
 Category:
Protocols
|
| CE-MRA Vasovist protocol |
How are the images? I've read a great deal about Vasovist and the images look incredible!!! I wish we had here!
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Jadwiga kudynska
Wed. 8 Mar.06,
21:24
[Start of:
'flat board/insert'
1 Reply]
Category:
Devices, Scanner, Machines
|
| flat board/insert |
Good Day Everyone:
Our Imaging Canter has a new MRI unit (Philips 1.5 T Achieva) that we would
like to use for Radiation Oncology patients. The carbon fibre flat table top
as we use in CT effects the MRI image quality. A few companies I have
contacted do not know who makes flat table tops for MRI.
I would appreciate a note from current Radiation Oncology MRI users if they
know the manufacturer of proper flat tops or if they have found a way
"around" the problem.
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Angel Lara
Thu. 5 Jan.06,
18:03
[Start of:
'siemens impact expert'
2 Replies]
Category:
Sequences and Imaging Parameters
|
| siemens impact expert |
Does anyone remember how to shim for silicon on numaris?
I am having trouble with breast implants, I do not know how to adjust center frequency for proper shimming of water and silicon.
Some images look like saline and some look like silicon.
Old machine and do not have accsess to applications. Any help will be greatly appreciated.
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GONZALO SOLIS
Tue. 22 Nov.05,
05:35
[Start of:
'usmarine2tim2'
0 Reply]
Category:
Basics and Physics
|
| usmarine2tim2 |
Hello to all my fellow MR Technologists and / or students:
I have a few questions that I would greatly appreciate if someone could help me answer. The dead line is THIS Friday 25th 1000AM morning so please reply STAT
Please e mail me at USMARINE2TIM2@YAHOO.COM
1. . Breath hold duration of less than _________are
recommended when dealing with MR Arenal artery
scan?
a. 30sec
b. 25sec
c. 18sec
d. 8
2. . In renal angiography, what anatomical
landmark does the 3d slab need to cover just
anterior to?
a. Adrenal glands
b. Hepatic vein
c. Portal vein
d. Abdominal aorta
3. .What makes MRI a better choice than DSA for evaluation of a bilateral renal artery stenoses at the orgins of the renal arteries?
a. It is a noisier examination
b. The contrast used is less nephrotoxic than DSA
contrast
c. MRI has higher special resolution than DSA
4. Signal loss will result when further maturation of the clot produces which one of the following?
a. methemoglobin
b. hemosiderin
c. phagocytosis.
d. hemoglobin
5. .For cine gradient echo imaging with true FISP, which of the following statements is TRUE?
a. .images have better image contrast and acquisitions are faster than conventional cine gradient echo imaging
b. cine true FISP images can be performed on any MRI unit
c. to make true FISD images, intravenous gadolinium contrast is needed
d. .true FISP images cannot be used for breath- hold acquisitions because the sequence is too slow
6. Which one of the following statements is NOT
true about phase contrast imaging?
a. .phase contrast imaging is useful for measuring blood flow
b. .phase contrast images are ECG gated
c. .phase contrast images can be performed on most
scanners with cardiac imaging capabilities
d. phase contrast images required
intravenous gadolinium contrast
Thank you so much
Gonzalo RT (R) --future-Ã MR
God Bless
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Tomas Randell
Mon. 20 Jun.05,
19:38
[Reply (1 of 3) to:
'Metalic particles into the cornea'
started by: 'Jorge Cazal'
on Mon. 13 Jun.05]
Category:
Safety
|
| Metalic particles into the cornea |
For my personal opinion, it is not to expect that these microscopic steel particles are a contraindication for an MRI of the head. An injury of the patient by dislocation or
torque presents not a real risk because of the small size.
The possibility of heating is minimal and can be additional lowered by reducing the SAR. Artifacts may reduce the image quality a little, but diagnostic brain imaging is certainly possible. The use of a mid or low field MRI machine will also reduce any risks.
Hope this will help.
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