This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
|
perf:knowl:mri:acq:seq [2012/02/08 11:15] macicek |
perf:knowl:mri:acq:seq [2012/03/08 17:41] (current) macicek |
||
|---|---|---|---|
| Line 5: | Line 5: | ||
| {{ :perf:knowl:mri:acq:sdflash.png?nolink|}} | {{ :perf:knowl:mri:acq:sdflash.png?nolink|}} | ||
| - | ^** parameter ** ^** value ** ^** units**^** note ** ^ | + | ^** parameter ** ^** value ** ^** units**^** section ** ^ |
| |TE| 20.0 |ms|brain| | |TE| 20.0 |ms|brain| | ||
| |TE| 11.6 |ms|carotid artery| | |TE| 11.6 |ms|carotid artery| | ||
| Line 12: | Line 12: | ||
| |FOV| 188x250 |mm|-| | |FOV| 188x250 |mm|-| | ||
| |Matrix size| 62x128 |px|-| | |Matrix size| 62x128 |px|-| | ||
| - | |FA| 13 |°|-| | + | |FA| 13 |°|-| |
| |Temporal resolution| 1,5 |s|-| | |Temporal resolution| 1,5 |s|-| | ||
| |Total duration| 90 |s|-| | |Total duration| 90 |s|-| | ||
| - | |No.of acquired imeges| 2x60 |-|-| | + | |No.of acquired imeges| 2x60 |-|-| |
| ====Sources==== | ====Sources==== | ||
| Line 25: | Line 25: | ||
| contrast MRI. MAGMA 1996;4(Suppl.):68. | contrast MRI. MAGMA 1996;4(Suppl.):68. | ||
| - | ===== single-shot gradientecho-planar imaging ===== | + | ===== single-shot GRE-EPI ===== |
| Performed with: Siemens Magnetom Vision 1.5T [3] | Performed with: Siemens Magnetom Vision 1.5T [3] | ||
| + | |||
| + | ====Sequence parameters==== | ||
| ^** parameter ** ^** value ** ^** units ** ^ | ^** parameter ** ^** value ** ^** units ** ^ | ||
| Line 35: | Line 37: | ||
| |FOV| 230x230 |mm| | |FOV| 230x230 |mm| | ||
| |Matrix size| 128x128 |px| | |Matrix size| 128x128 |px| | ||
| - | |FA| 90 |°| | + | |FA| 90 |°| |
| + | |||
| + | ====Sources==== | ||
| + | |||
| + | [3] IBARAKI, Masanobu, Hiroshi ITO, Eku SHIMOSEGAWA, Hideto TOYOSHIMA, Keiichi ISHIGAME, Kazuhiro TAKAHASHI, Iwao KANNO a Shuichi MIURA. Cerebral vascular mean transit time in healthy humans: a comparative study with PET and dynamic susceptibility contrast-enhanced MRI. Journal of Cerebral Blood Flow [online]. 2006-05-17, roč. 27(č. 2), 404-413 [cit. 2012-02-08]. DOI: 10.1038/sj.jcbfm.9600337. Dostupné z: http://www.nature.com/doifinder/10.1038/sj.jcbfm.9600337 | ||
| + | |||
| + | ===== GRE-EPI ===== | ||
| + | gradient-echo echo-planar imaging | ||
| + | |||
| + | device: Magnetom Allegra 3T head scanner [4] | ||
| + | |||
| + | ====Sequence parameters==== | ||
| + | |||
| + | ^** parameter ** ^** value ** ^** units ** ^ | ||
| + | |TE| 21|ms| | ||
| + | |Temporal resolution| 1500 |ms| | ||
| + | |slice thickness| 5 |mm| | ||
| + | |Matrix size| 128x128 |px| | ||
| + | |FA| 90 |°| | ||
| + | |||
| + | ====Sources==== | ||
| + | |||
| + | [4] KNUTSSON, Linda, Siv BÖRJESSON, Elna-Marie LARSSON, Jarl RISBERG, Lars GUSTAFSON, Ulla PASSANT, Freddy STÅHLBERG a Ronnie WIRESTAM. Absolute quantification of cerebral blood flow in normal volunteers: Correlation between Xe-133 SPECT and dynamic susceptibility contrast MRI. Journal of Magnetic Resonance Imaging [online]. 2007, roč. 26(č. 4), 913-920 [cit. 2012-02-08]. DOI: 10.1002/jmri.21093. Dostupné z: http://doi.wiley.com/10.1002/jmri.21093 | ||
| + | |||
| + | ===== GRE-EPI [5]===== | ||
| + | |||
| + | ====Sequence parameters==== | ||
| + | |||
| + | ^** parameter ** ^** value ** ^** units ** ^ | ||
| + | |TE| 42,1|ms| | ||
| + | |Repetition time| 1200|ms| | ||
| + | |interslice gap| 1.5|mm| | ||
| + | |slice thickness| 5|mm| | ||
| + | |FOV| 230x230|mm| | ||
| + | |Matrix size| 128x128 |px| | ||
| + | |FA| 90|°| | ||
| + | |||
| + | ====Sources==== | ||
| + | |||
| + | [5] SOINNE, L. Cerebral Hemodynamics in Asymptomatic and Symptomatic Patients With High-Grade Carotid Stenosis Undergoing Carotid Endarterectomy. Stroke [online]. 2003-06-12, roč. 34(č. 7), 1655-1661 [cit. 2012-02-08]. DOI: 10.1161/01.STR.0000075605.36068.D9. Dostupné z: http://stroke.ahajournals.org/cgi/doi/10.1161/01.STR.0000075605.36068.D9 | ||
| + | ===== abdomen/liver/hemangioma_adv/t2_haste_fs_tra===== | ||
| + | PAT off | ||
| + | TR=1000ms | ||
| + | TE=85ms | ||
| + | ===== abdomen/pancreas/t2_tse_fs_tra_pat2===== | ||
| + | PAT off | ||
| + | TR=1000ms | ||
| + | TE=85ms | ||
| + | t2_hasteirm_fs_tra_mbh | ||
| + | t2_tirm_fs_tra_mbh_pat2 | ||
| + | t2_trufi_cor | ||
| - | [3]IBARAKI, Masanobu, Hiroshi ITO, Eku SHIMOSEGAWA, Hideto TOYOSHIMA, Keiichi ISHIGAME, Kazuhiro TAKAHASHI, Iwao KANNO a Shuichi MIURA. Cerebral vascular mean transit time in healthy humans: a comparative study with PET and dynamic susceptibility contrast-enhanced MRI. Journal of Cerebral Blood Flow [online]. 2006-05-17, roč. 27(č. 2), 404-413 [cit. 2012-02-08]. DOI: 10.1038/sj.jcbfm.9600337. Dostupné z: http://www.nature.com/doifinder/10.1038/sj.jcbfm.9600337 | ||