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perf:knowl:mri:acq:seq [2012/02/08 13:01]
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 ​
-[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 ===== ===== GRE-EPI =====
Line 46: Line 48:
 device: Magnetom Allegra 3T head scanner [4] device: Magnetom Allegra 3T head scanner [4]
  
 +====Sequence parameters====
  
 ^**  parameter ​ ** ^**  value  ** ^**  units  ** ^ ^**  parameter ​ ** ^**  value  ** ^**  units  ** ^
Line 52: Line 55:
 |slice thickness| ​ 5 |mm| |slice thickness| ​ 5 |mm|
 |Matrix size|  128x128 |px| |Matrix size|  128x128 |px|
-|FA|  90  |°|+|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 ​ [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]===== ===== GRE-EPI [5]=====
 +
 +====Sequence parameters====
 +
 ^**  parameter ​ ** ^**  value  ** ^**  units  ** ^ ^**  parameter ​ ** ^**  value  ** ^**  units  ** ^
-|TE|  42,1|ms|  +|TE|  42,1|ms|
-|interslice gap|  1.5|mm|+
 |Repetition time|  1200|ms| ​ |Repetition time|  1200|ms| ​
 +|interslice gap|  1.5|mm|
 |slice thickness| ​ 5|mm| |slice thickness| ​ 5|mm|
 |FOV|  230x230|mm| |FOV|  230x230|mm|
 |Matrix size|  128x128 |px| |Matrix size|  128x128 |px|
 |FA|  90|°| |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 [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
 +
 +