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MRI Forum
'Knee'
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Result: Searchterm 'Knee' found in 13 messages
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jung kang

Fri. 29 Dec.23,
02:10

[Start of:
'Chronic insufficiency of the PCL is suspected.'
0 Reply]


 
  Category: 
Funktional MRI

 
Chronic insufficiency of the PCL is suspected.
Hello,

I'm experiencing a specific issue with my knee and would appreciate any insights. When I straighten my knee, I feel a friction sensation at the junction of the tibia behind the knee. This sensation of friction is very close to the area of pain, which seems to be deep and difficult to pinpoint accurately.

Here's a summary of my medical reports and symptoms:

First MRI Report Findings:

Chronic damage to the posterior cruciate ligament.
Patellofemoral wear and tear.
I suspect these findings are related to my symptoms.
Additional Information:

A CT scan showed swelling in the anterior cruciate ligament.
Pain Description:

The pain starts from the middle of the knee joint and gradually spreads to the right popliteal fossa (back of the knee).
I experience this pain continuously for 24 hours.
Other Symptoms:

Along with the onset of these symptoms, I've noticed an unusually large amount of hair loss, which I suspect might be due to ongoing inflammation.
I'm seeking advice or insights from anyone who might have had similar experiences or from medical professionals who can shed some light on these symptoms and the MRI findings.

Thank you in advance for your help!

 
 


2023
- https://www.dicomlibrary.com/meddream/?study=1.3.6.1.4.1.44316.6.102.1.202312232236683.4754602657439816271065

2021
- https://www.dicomlibrary.com/meddream/?study=1.3.6.1.4.1.44316.6.102.1.20231225201235919.34251024914768354353
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Steven Ford

Fri. 26 Oct.18,
02:29

[Reply (1 of 2) to:
'When to shim?'
started by: 'Matt H'
on Fri. 27 Oct.17]


 
  Category: 
General

 
When to shim?
you ask a complex question. Any sequence that is not a standard spin echo can benefit from shimming, but its not always worth it.

If you are scanning a knee in the center of the magnet, or nearly so, you might not see much difference in gradient echo scans, which in general are quite sensitive to shim problems. But if you are doing fat-water separation or fatsat images, you will see a difference even in this example.

Because hardware varies, its hard to say in one blanket statement for every case. For sure, do it on fatsat or fat-water imaging. The next most sensitive studies are off-center imaging such as shoulders. Beyond that, you should experiment a little. Of course, erring on the side of caution is a good idea.
 
 

Steven Ford
Professional Imaging Services, Inc.
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Mitchell Sapp

Sat. 5 Oct.13,
13:13

[Start of:
'ACR Compliance Question'
1 Reply]


 
  Category: 
Reimbursements and Costs

 
ACR Compliance Question
In 2010, we submitted a knee for our MSK module in our ACR accreditation. Over the past three years, a few new radiologists have come on board, and the preferred knee protocol has changed. But we've continued using the sequences that were submitted to ACR in order to be compliant. At this point, we have three different sequences that NONE of our radiologists care about... and it's basically adding time to each procedure without being beneficial to the patient. But we HAVE to perform those scans.

We are currently getting re-accredited - but we are submitting a wrist this time for the MSK module. Once we get approved, can we drop the unnecessary sequences in the knee and be compliant since we will be using the submitted sequences in the wrist?

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George LoGuirato

Wed. 7 Apr.10,
13:28

[Reply (1 of 2) to:
'Proton Density Imaging'
started by: 'Jacquelyn Chiffons'
on Thu. 18 Mar.10]


 
  Category: 
Sequences and Imaging Parameters

 
Proton Density Imaging
A Proton Density - like a T1 or T2 - is not considered anything; it is what you make it. Most all PD's are run as fast (turbo) spin echo, but many sites run a true spin echo PD on knees to evaluate the meniscus. (It's a long sequence.)
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Chris Newton

Fri. 16 Oct.09,
16:02

[Reply (1 of 3) to:
'Knee Protocol'
started by: 'Neeta Vyas'
on Fri. 16 Oct.09]


 
  Category: 
Protocols

 
Knee Protocol
Hi Neeta,

I'm also interested in scanning of knee cartilage and found this links helpful:

http://www.ajronline.org/cgi/content/full/185/4/899
http://cds.ismrm.org/ismrm-2004/Files/002399.pdf

In addition, when you google for
"Cartilage repair strategies" look for a Google Book


Kind Regards
 
 

Chris
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