ESSR MRI Protocols Spine
Transcript of ESSR MRI Protocols Spine
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Guidelines for MR Imaging of Sports Injuries
European Society of Skeletal RadiologySports Sub-committee
2016
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• Ara Kassarjian, Spain• Lars Benjamin Fritz, Germany• P. Diana Afonso, Portugal • Andrea Alcalá-Galiano, Spain • María José Ereño, Spain • Andrew Grainger, UK• Eva Llopis, Spain• Eugene McNally, UK• Claudia Schüller-Weidekamm, Austria• Reto Sutter, Switzerland
Contributors
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• Ax = axial• Cor = coronal• Sag = sagittal• FOV = field of view• PD = proton density• TE = time to echo in milliseconds• FS = fat suppressed• Int = intermediate• Int FS: this is a fat suppressed sequence with a long TR and a TE
between that of a traditional PD (e.g. TE= 10-20) and a traditional T2 (e.g. TE=80-100). The advantage of this sequence is that the TE is short enough to maintain sufficient signal for visualisation of the anatomy (like a PD) yet long enough to be more fluid sensitive (like a T2)
• For STIR sequence, TI (inversion time) should be 140-150 at 1.5T
Abbreviations and clarifications
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• Patient in supine postion• Sagittals include neural foramina and facet joints• Axials include the pathology, if necessary, perform para-axials• Axial STIR is optional• Coronals include the region of interest of the spine + SI joints
Spine
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FOV(max)
Slice(max)
TEMatrix(min)
Sag T1 38 cm 3 mm 8-10 424x300
Sag T2 38 cm 3 mm 90-100 424x300
Axial T2 32 cm 3 mm 90-100 320x166
Cor STIR 39 cm 3 mm 75-100 528x528
Sag STIR 38 cm 3 mm 75-100 424x300
Axial STIR (optional) 22 cm 3 mm 75-100 384x256
Spine
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Sag T1 Sag STIRSag T2
Ax STIRAx T2 Cor STIR
Spine