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MRI is trending to low field magnets :
reduced costs will lead to this change 
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only in remote areas 
is only temporary 
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May Shoemaker

Fri. 6 Feb.15,
02:40

[Start of:
'MRI questions'
0 Reply]


 
  Category: 
General

 
MRI questions
I had MRI of the femur and pelvis. Can you explain abnormal findings:

"Marrow signal abnormality in the metaphysis and diaphysis of both femora without lesion. Possible red marrow conversion".

Specifics of MRI show:
MRI shows patchy low T1 and high T2 marrow signal in meta and diaphysis in both femur. At mid diaphyseal level, curvilinear bright T2 and STIR signal noted in the intramedullary cavity. No lesion noticed.

Thanks for any insight. Is there another website I could use for more information?
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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

 
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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Steven Ford

Tue. 5 Aug.14,
20:01

[Reply (1 of 2) to:
'?'
started by: 'Belinda Williams'
on Mon. 21 Jul.14]


 
  Category: 
Coils

 
?
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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Maxima Watkins

Tue. 6 May.14,
19:38

[Reply (1 of 2) to:
'Patellofemoral syndrome by MRI'
started by: 'FRANCISCO MORALES'
on Tue. 8 Apr.14]


 
  Category: 
Applications and Examinations

 
Patellofemoral syndrome by MRI
Hi, here is a helpful article: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2919651/ - we use proton density with fat saturation in three planes and a sagittal T1. The best protocol may be dependent on the MRI system and field strength.
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Mario Terakaj

Thu. 6 Feb.14,
08:50

[Start of:
'Tirm'
0 Reply]


 
  Category: 
Sequences and Imaging Parameters

 
Tirm
Dears!!
I try to understand why TIRM have a long TR and long TE ( value of T2 image ) but sequences bring a T1 mark

Thanks!!!
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