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Patricia Burns
Fri. 24 Oct.08,
13:17
[Reply (1 of 5) to:
'Mobile MRI - Keeping Magnet Cold'
started by: 'Will B'
on Thu. 23 Oct.08]
 Category:
Devices, Scanner, Machines
|
| Mobile MRI - Keeping Magnet Cold |
Will,
When a mobile MRI Scanner is in motion going from site to site a "ramp down" is performed before moving.This is when the magnetic field is lowered but not completely shut off. The field still keeps it's integrity due to the Cryogens that surround it. When it comes to the new site, a "ramp up" is performed to bring the magnetic strength back up to par. Bottom line...The Cryogens are not boiled off and keep the magnet cold when it is motion. If the magnet were to suddenly lose it's power, it could be due to a cryogen boil off.
p.burns
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Maricella Sauceda
Thu. 16 Oct.08,
22:33
[Start of:
'Translation of MRI Result - Help'
0 Reply]
Category:
Applications and Examinations
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| Translation of MRI Result - Help |
Okay... So below is what the MRI breakdown tells me, can someone tell me if I should definitely be worried... I think it says I have brain lessions associated to sinus problems, but then they said it might be a sign of MS? HELP... Any additional clarity will be greatly appreciated...
Technique: Sequences spin - echo-enhanced in T1, T2 protons and density, flair at the axial, sagittal and coronal, 5 mm thick.
Report:
Small punctate signals focal hypo-intense in T1 and hypertensive in the other sequences and without apparent mass effect in the lobar white matter and subcortical frontal, bilateral parietal subcortical and peri-ventricular the atriums of both lateral ventricles.
Others are not displayed disturbances of encephalic parenchyma or blood collections or intra extraxiales. The medulla oblongata, pons and the cerebral peduncles with normal morphology and signal. Tanks of the base, the subarachnoid space and the cortical ventricular system above and infratentorial not dilated, without compression or movement.
Thickening of the lining which is the frontal sinuses, ceidillas etmoidales and maxillary sinuses, in the latter left with the presence of liquid level.
Comments
Many small pictures that compromise the lobar white matter and subcortical frontoparietal and peri-ventricular atrial bilateral and that although might be nonspecific, it is not possible to rule out entirely demyelinating etiology, so it must be correlated with the clinic's patient, findings of physical examination and clinical-. A new study of control in timely fashion or according to clinical course can be useful.
Pan-chronic sinusitis with signs of acute in the left maxillary sinus.
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Stuart Allison
Tue. 16 Sep.08,
12:41
[Start of:
'GE LX MRI Platform?'
3 Replies]
Category:
Devices, Scanner, Machines
|
| GE LX MRI Platform? |
I'm working to gain an understanding of MRI equipment, specifically GE equipment, and I'm kind of confused by some of the terms that I see associated with the scanners when they are being listed for sale. Can anybody give me a quick idea about what is being talked about when they are referring to the "LX Platform" on a GE MRI scanner? I think it might have some relationship to phased array channels, but I'm not sure. I have also seen references to the "5X Platform" and the "Excite Platform", are these mutually exclusive to the LX platform (updated/prior models?) Thanks in advance to anyone with some GE experience who can help out.
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John Muller
Fri. 12 Sep.08,
00:02
[Reply (2 of 3) to:
'Geometric distortion'
started by: 'ergun ahunbay'
on Tue. 2 Jan.07]
Category:
Artifacts
|
| Geometric distortion |
You can find more information about magnetic field in: http://www.youtube.com/watch?v=evfUTmx0uh8&feature=related
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Gerald Del Castillo
Mon. 8 Sep.08,
03:45
[Reply (2 of 3) to:
'information needed'
started by: 'andre jefferson'
on Wed. 23 Jul.08]
Category:
Protocols
|
| information needed |
Andre,
You can do a PD sagittal and/or T1 coronal. These two would give you meniscii tears, just magnify them and brighten the image to show the tear. You can also try the T2 STIR coronal to show some swelling and bone contusion. Check with your rad to find out proper protocols.
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