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| Result: Searchterm 'Image'
found in 128 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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Bob Smtih
Thu. 30 Oct.14,
18:41
[Start of:
'What is this white "cloud" on the right side of this MRI?'
0 Reply]
 Category:
General
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| What is this white "cloud" on the right side of this MRI? |
The following was noted:c2/c3 normal c3/c4 Very minimal anterior ostepphytic ridging is present. There is no spinal stenosis or neural foraminal narrowing. C4/c5 Very minimal anterior ostepphytic ridging is noted. There is no spinal stenosis or neural foraminal narrowing. c5/c6 There is a circumferential disc osteophyte complex present. There is mild central spinal stenosis. The AP diameter of the spinal canal is narrowed to 9mm. The dorsal and ventral CSF spaces remain patent. There is mild to moderate neural foraminal narrowing. c6/c7 a circumferential disc osteophyte complex present. There is mild central spinal stenosis. AP diameter of the spinal canal is narrowed to 9mm. The dorsal and ventral CSF spaces remain patent. There is moderate to severe neural foraminal narrowing. c7/t1 Normal. AP diameter of the spinal canal is 12 mm My question is C5 looks like it is chewed up; weird shading. Does it appear to be more damaged than the report states? Also there seems to be a white "cloud" that goes into the left side of multiple disks. What is the white "cloud"? c3 through c7 are in the image
 MRI SAG T2
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Samuel Strode
Thu. 7 Aug.14,
22:17
[Start of:
'door alarm/ MRI pauses if door opens'
1 Reply]
Category:
Devices, Scanner, Machines
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| door alarm/ MRI pauses if door opens |
Hello all. I am a engineering student that is studying everything that I can. I came across something that said MRI's are enclosed in a room (duh) but when the scan is going the door is "armed" so if it is opened the scan pauses. Is this true for all MRI's? I work in a small imaging center and when I asked the tech there he gave me a funny look and said go back to work. Can you help? Can you tell me which MRI system that you are using and whether or not it when the door opens the scan will pause or stop. If the scan stops is the series lost? is everything? or can you pick up where you left off. Thank you for your assistance. If you have any other information about MRI's pausing during scans, stopping, saving image quality, and you are willing to share please feel free to share.
I was bold in the pursuit of knowledge, never fearing to follow truth and reason to whatever results they led, and bearding every authority which stood in their way.
Thomas Jefferson
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Steven Ford
Tue. 5 Aug.14,
20:01
[Reply (1 of 2) to:
'?'
started by: 'Belinda Williams'
on Mon. 21 Jul.14]
Category:
Coils
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| ? |
Belinda,
It would be helpful if you would add a photo, even if you take a cellphone photo of your screen and blot out the name.
You did not say, but is this a new problem?
In general, if one orientation looks worse than others, you may have a magnet shim problem; you can crudely test this yourself by using a cylinder type phantom and doing an identical scan in three planes. A shim problem would affect T2's more than T1 or PD images also.
There is always a possibility that your sequences have changed without you realizing it too; check this even if you don't know how that would have happened.
Steven Ford
Professional Imaging Services, Inc.
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Belinda Williams
Mon. 21 Jul.14,
21:44
[Start of:
'?'
1 Reply]
Category:
Coils
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| ? |
I work on GE excite open speed. On lumbar spine t2 axials, it appears like the coil looses signal and makes image dark and grainy. The coil gives good signal on the other sequences and tests good when engineer has tested it. The sag t2 is bright like it should but ax is dark. Any ideas why?
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Niels Janssen
Tue. 6 May.14,
11:24
[Start of:
'GE signa excite 3T - clustered volume acquisition'
0 Reply]
Category:
Funktional MRI
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| GE signa excite 3T - clustered volume acquisition |
I am wondering if anyone has experience with so called 'clustered volume acquisition' on a GE signa excite 3T. Clustered volume acquisition (or sparse acquisition) means that you acquire images within the first 1000 ms of a 2000 ms TR, for example (Edmister et al., 1999, Human Brain Mapping). This method is useful because the machine will stop producing scanning noise in the final 1000 ms of the TR, which can then be used for recording speech inside the scanner (in fmri applications).
I am asking whether 1) this sequence can be programmed from the parameters menu on the scanner console, or 2) whether it requires compilation of a new pulse sequence.
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