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| Result: Searchterm 'MRI'
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More Results:  Database (561) News Service (1300) Resources (333) |
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jedrzej kosiuk
Wed. 20 Dec.06,
15:51
[Start of:
'SPIO in vivo tracing of stem cells in humans'
1 Reply]
 Category:
Contrast Agents
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| SPIO in vivo tracing of stem cells in humans |
I am planning clinical trial with autologous stem cell implantation by patients in end stage PAD (Rutherford category IV and V). I would like to label the bone marrow stem cells to be able to trace them with MRI. Anybody knows some reasonable solutions or helpful literature?
please email me: jedrzej.kosiuk@meduniwien.ac.at
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marleen michels
Wed. 22 Nov.06,
14:59
[Start of:
'visualizing corticospinal tracts'
2 Replies]
Category:
Applications and Examinations
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| visualizing corticospinal tracts |
I' m a student master of medical imaging, and I was wondering which MRI technics are used to visualise the corticospinal tracts? Diffusion tensor imaging is one of them, I think...
kind regards
marleen michels, kuleuven.
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Renate Bloemer
Mon. 13 Nov.06,
19:35
[Reply (1 of 3) to:
'Receiver Bandwidth'
started by: 'Stephanie Taylor'
on Wed. 1 Nov.06]
Category:
Basics and Physics
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| Receiver Bandwidth |
Maybe these links will help: http://www.revisemri.com/tutorials/receiver_bandwidth/rbandwidth_files/fullscreen.htm
http://www.medical.siemens.com/siemens/en_US/rg_marcom_FBAs/files/DICpage/MRIHottopics2.pdf
http://www.ebyte.it/library/educards/mri/K-SpaceMRI.html
http://www.mr-tip.com/serv1.php?type=db1&dbs=Bandwidth
Renate Bloemer
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Renate Bloemer
Mon. 13 Nov.06,
19:29
[Reply (1 of 2) to:
'T1 FAT SAT PRE AND POS GADO'
started by: 'CLAUDIO RIBERTI'
on Tue. 24 Oct.06]
Category:
Contrast Agents
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| T1 FAT SAT PRE AND POS GADO |
The contrast agent causes this difference. Contrast agents reduce the T1 time in tissues where they have accumulated depending on blood flow and vascular permeability. Caused by this, tissues after an application of contrast agents will differ in shortening of the T1 time, and the same imaging parameters result in other image appearance.
Some helpful links for musculoskeletal imaging and Fat Sat:
http://www.moffitt.org/moffittapps/ccj/v8n3/pdf/221.pdf
http://www.medical.siemens.com/siemens/en_US/gg_mr_FBAs/files/MRI_Hot_Topics/MRI_HotTopics_Skinny_on_FatSat_engl.pdf
Hope this helps
Renate Bloemer
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Reader Mail
Mon. 30 Oct.06,
16:25
[Reply (1 of 2) to:
'interleaved slices and mean intensity difference in adjacent slices'
started by: 'Reader Mail'
on Wed. 4 Oct.06]
Category:
General
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| interleaved slices and mean intensity difference in adjacent slices |
With interleaved slice acquisition for example in each TR first the odd slices, and then the even slices are acquired. Differences in signal intensity may occur by changes between these acquisitions (like movement), especially with a long TR. In particular, for fMRI sequences with interleaved slice acquisition a slice time correction is recommended to get accurate measurements.
However, I think "large" signal intensity differences with interleaved slices (except fMRI) are rarely seen with usual sequences and sufficient processing (interpolation) algorithms.
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