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| Result: Searchterm 'tr'
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Sheila Edenfield
Thu. 2 Nov.06,
16:03
[Start of:
'MRV--Phase contrast question'
0 Reply]
 Category:
General
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| MRV--Phase contrast question |
What exactly is an MRV sequence on an Hitachi Airis II .3 Tesla?
I realize it has to do with the venus system but if anyone knows anything I sure would appreciate your time and knowledge concerning this.
Also The physician I am working under(Neurologist), he would like to see my MRAs done with a phase encoding protocall? Is there such a thing? I hope someone out there can give me some knowledgable info on this. Thank you Sheila/Georgia :)
Sheila Edenfield
Airis II Hitachi .3T
Stockbridge Ga
sheilamritechnologist@yahoo.com
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Marilia White
Thu. 3 Mar.05,
16:40
[Start of:
'Contrast MRA COW.'
3 Replies]
Category:
Contrast Agents
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| Contrast MRA COW. |
Just started a new job and the tech there insists on injecting with a butterfly then coming out and running a 3D MRA of the Head. Has anyone ever heard of this? I have done carotids but not Circle of willis. If there is such a thing please let me know your Protocol. I am open to any suggestions on the Carotids to. She injects them with a butterfly as well and what a mess. Help I just got back on GE echospeed after 5 yrs and no manual. Just a crazy tech. Please help.
azoreangal
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Gina Key
Sat. 27 Jan.24,
09:33
[Reply (1 of 2) to:
'IDEAL sequence help'
started by: 'gianluca turcatel'
on Mon. 10 Jan.22]
Category:
General
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| IDEAL sequence help |
To calculate the Proton Density Fat Fraction (PDFF) from MRI images of the liver acquired using LMS IDEAL (Iterative Decomposition of Water and Fat with Echo Asymmetry and Least Squares Estimation) with optimized low flip angles, you'll typically have multiple image sets corresponding to different echoes. The fat and water signals are separated based on their chemical shift differences. Look for image sets labeled as Water, Fat, or PDFF (Proton Density Fat Fraction). Depending on the software or DICOM tags used, the images may be explicitly labeled, or you may need to review the sequence parameters to determine which set corresponds to fat or water.
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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
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| 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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Renate Semrau
Mon. 28 Aug.23,
07:23
[Reply (1 of 2) to:
'Improving MEDIC/MERGE/M-ffe and GRE/FFE image quality'
started by: 'Dan Lopez'
on Sun. 27 Aug.23]
Category:
Sequences and Imaging Parameters
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| Improving MEDIC/MERGE/M-ffe and GRE/FFE image quality |
Hi,
Sequences with multiple echoes are unfortunately sensitive to motion and flow artifacts, with the mFFE the echoes are still cumulated afterwards. The use of the head-neck coil provides better SNR. Important are good flow compensation, rest slab, try out foldover direction l/r vs. a/p. Shimming may help, synergy is sometimes better as clear, don't take too many slices, but maybe the signal loss is also a technical problem. Problems in the lung region are common. In short, we use 2D T2 TSE with continuous flow comp.
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