MRI SPINE PROTOCOLS &TECHNIQUE

 

MRI PROTOCOLS &TECHNIQUE OF SPINE

CIRVICAL SPINE

Position: Supine, the head in the Neurovascular (NV) Coil.

Give cushions under the legs for comfort.

Centre laser beam 2 cm blew the chin.

Sequence: sagittal T2, T1, Stir.

Coronal: stir/ FAT SAT.

Transverse: T2, T1.GRE.

 

Sagittal: Sagittal plan on coronal or axial image using Block line parallel to spinal cord and check the position of block on other plane with appropriate angle. Coverage whole cervical spine or Pons to D2-D3 vertebra.

Scan Parameters Sagittal T2

FOV -240-=280	TE – 90- 120	TR 3500-5000	Matrix 384X384
Flip angle90-100	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – AP
NEX 2	Saturation band must be placed over the neck.

 

Scan Parameters T1 Sagittal

FOV -240-=280	TE – 90- 120	TR 400-700	Matrix 288X244
Flip angle70-80	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – AP
NEX 2	Saturation band must be placed over the neck.

Scan Parameters Sagittal STIR

FOV -240-=280	TE – 90- 120	TR 3500-5000	Matrix 384X384
Flip angle80-90	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – FH
NEX 2	Saturation band must be placed over the neck.		IR deley -200-220

 

Coronal

Coronal plan on sagittal or axial image using Block line parallel to spinal cord and check the position of block on another plane with appropriate angle.

Scan Parameters Coronal STIR

FOV -240-=280	TE – 90- 120	TR 3500-5000	Matrix 384X384
Flip angle80-90	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – FH
NEX 2	Saturation band must be placed over the neck.		IR deley -200-220

 

Transverse

Axial plan on sagittal or coronal image using Block line parallel to intervertebral disc & correct the appropriate angle block on another planes.

Scan Parameters Transverse T2

FOV 200	TE – 80- 90	TR 3500-5000	Matrix 384X384
Flip angle90-100	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – RL
NEX 2	Saturation band must be placed over the neck.

 

Scan Parameters Transverse T1

FOV 200	TE – 0- 20	TR 400-700	Matrix 320X298
Flip angle-80	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – RL
NEX 2	Saturation band must be placed over the neck.

 

Scan Parameters Transverse GRE

FOV 200	TE  8-10	TR 700-1200	Matrix 320X296
Flip angle-28-30	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – RL
NEX 2	Saturation band must be placed over the neck.

 

BRECHIAL PLEXUS

Position: Supine, the head in the Neurovascular (NV+ Phase Array) Coil

Give cushions under the legs for comfort.

Centre laser beam 2 cm blew the chin.

Sequence: sagittal T2

Coronal:  STIR, 3D

Transverse Oblique: Stir, T1.

Coronal Oblique: Stir, T1, T2

Sagittal oblique: Stir T1

Control Coronal

              Scan Parameters Coronal STIR

FOV300-400	TR3500-5000	TE 90-120	Matrix 384X320
Flip angle80-90	Slice thickness 3 mm	Gap -10 % of slice thickness	Fold over Direction – FH
NEX 2			IR delay -200-220

Transverse Plan

Scan Parameters Transverse STIR

FOV280-330	TR 3500-5000	TE 90-120	Matrix
Flip Angle80-90	Slice thickness 3 mm	Gap -10 % of slice thickness	Fold over Direction – RL
NEX -2	Saturation band must be placed Parallel to scan plan   head & feet both side.		IR delay -200-220

 

Scan Parameters Transverse T2

FOV280-330	TR 3500-6000	TE 80-90	Matrix 320X296
Flip angle90-100	Slice thickness 3 mm	Gap -10 % of slice thickness	Fold over Direction – RL
NEX -2	Saturation band must be placed Parallel to scan plan   head & feet both sides.

  

Scan Parameters Transverse T1

FOV 300-380	TE 8-10	TR 400-700	Matrix 288X244
Flip angle80-90	Slice thickness 3 mm	Gap -10 % of slice thickness	Fold over Direction – RL
NEX 2	Saturation band must be placed Parallel to scan plan   head & feet both side.

 

Coronal Plan 

Scan Parameters Coronal STIR

FOV320	TR3500-5000	TE 90-120	Matrix 384X320
Flip angle80-90	Slice thickness 3 mm	Gap -10 % of slice thickness	Fold over Direction – FH
NEX 2	Saturation band must be placed Parallel to scan plan   head & feet both side.		IR delay -200-220

 

Scan Parameters Coronal T1

FOV 300-380	TE – 8-10	TR 400-700	Matrix 288X244
Flip angle-25	Slice thickness 3 mm	Gap -10 % of slice thickness	Fold over Direction – FH
NEX 2	Saturation band must be placed Parallel to scan plan   head & feet both sides.

 

Scan Parameters Coronal T2

FOV 240-300	TE – 80- 90	TR 3500-5000	Matrix 384X384
Flip angle90-100	Slice thickness 3 mm	Gap -10 % of slice thickness	Fold over Direction – FH
NEX 2	Saturation band must be placed Parallel to scan plan   head & feet both sides.

Scan Parameters Sagittal STIR

FOV -240-=280	TE – 90- 120	TR 3500-5000	Matrix 330X292
Flip angle80-90	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – FH
NEX 2	Saturation band must be placed blow the plan.		IR delay -200-220

 

Scan Parameters T1 Sagittal

FOV -240-=280	TE – 90- 120	TR 400-700	Matrix 288X244
Flip angle70-80	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – AP
NEX 2	Saturation band must be placed blow the plan.

 

Thoracic spine 

Position: Supine

Give cushions under the legs for comfort.

Centre laser beam 2 cm blew the chin.

Sequence: Sagittal T2, T1, Stir

Coronal: stir

Transverse: T2, T1.GRE, 3D if required.

Centre the laser beam level of D4 vertebra.

Coverage whole thoracic spine or C6 or to L2-L3 vertebra.

Saturation band must be placed over the spine.

                                  Sagittal T2 Plan

Sagittal plan on coronal or axial image using Block line parallel to spinal cord and check the position of block on another plane with appropriate angle.

Scan Parameters Sagittal T2

FOV -300-=350	TE – 80- 120	TR 2500-5000	Matrix 384X384
Flip angle80-90	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – AP
NEX 2	Saturation band must be placed over thoracic spine.

 

Scan Parameters Sagittal T1

FOV -300-=350	TE – 8-10	TR 400-700	Matrix 288X244
Flip angle70-80	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – AP
NEX 2	Saturation band must be placed over thoracic spine.

 

Scan Parameters Sagittal Stir

FOV -300-=350	TE – 50-70	TR 2500-6000	Matrix 384X320
Flip angle80-120	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – AP
NEX 2	Saturation band must be placed over thoracic spine.

 

Coronal plan

Coronal plan on sagittal or axial image using Block line parallel to spinal cord and check the position of block on another plane with appropriate angle.

 

Scan Parameters Coronal Stir

FOV -300-=350	TE – 50-70	TR 2500-6000	Matrix 384X320
Flip angle80-120	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – FH
NEX 2	Saturation band must be placed over thoracic spine.

 

 

Transverse plan

Plan the transverse slice on sagittal or coronal image perpendicular to spinal cord or appropriate angle to inter vertebral disc.  

Scan Parameters Transverse T2

FOV 200	TE – 80- 90	TR 2500-6000	Matrix 384X384
Flip angle90-100	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – RL
NEX 2	Saturation band must be placed over thoracic spine.

 

Scan Parameters Transverse T1

FOV 200	TE – 0- 20	TR 400-700	Matrix 320X298
Flip angle-80	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – RL
NEX 2	Saturation band must be placed over thoracic spine.

Lumbosacral spine

Position: Supine, give cushions under the legs

Centre the laser beam level of umbilicus or L4 vertebra.

Sequence: Sagittal T2, T1, Stir

Coronal: Stir / T2Fat sat

Transverse: T2W, T1W,3D if required.

                        Sagittal Plan 

Sagittal plan on coronal or axial image using Block line parallel to spinal cord and check the position of block on another plane with appropriate angle.

Scan Parameters Sagittal T2

FOV -300-=330	TE – 80- 120	TR 2500-8000	Matrix 384X384
Flip angle80-90	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – AP
NEX 2	Saturation band must be placed over Lumbar spine.

 

Sagittal T1 Scan Parameters

FOV -300-=330	TE – 8-10	TR 400-700	Matrix 288X244
Flip angle70-80	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – AP
NEX 2	Saturation band must be placed over Lumbar spine.

 

 

Scan Parameters Sagittal Stir

FOV -300-=330	TE – 50-70	TR 2500-6000	Matrix 384X320
Flip angle80-120	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – AP
NEX 2	Saturation band must be placed over Lumbar spine.

 

 Coronal Plan

Coronal Stir: Coronal plan on sagittal or axial image using Block line parallel to spinal cord and check the position of block on another plane with appropriate angle.

Scan Parameters Coronal Stir

FOV -300-=340	TE – 50-70	TR 2500-6000	Matrix 384X320
Flip angle80-120	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – FH
NEX 2	Saturation band must be placed over Lumbar spine.

Transverse Plan

Plan the transverse slice on sagittal or coronal image perpendicular to spinal cord or appropriate angle to inter vertebral disc. 

Scan Parameters Transverse T2

FOV 200	TE – 80- 90	TR 2500-8000	Matrix 384X384
Flip angle90-100	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – RL
NEX 2	Saturation band must be placed over Lumbar spine.

 

Scan Parameters Transverse T1

FOV 200	TE – 0- 20	TR 400-700	Matrix 320X298
Flip angle-80	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – RL
NEX 2	Saturation band must be placed over Lumbar spine.

 

 

 

Whole Spine screening

Patient - supine position

Supporting pad fix just below the legs.

Centering on glabella

Offer the patient ear plugs & ear protector or Music

Sequence- Survey three plane multi stack

Sagittal T2, T1, STIR- multi stack.

Sagittal Plan-Sagittal plan on coronal or axial image using Block line parallel to spinal cord and check the position of block on another plane with appropriate angle.

Scan Parameters Sagittal T2

FOV -300-=350	TE – 80- 120	TR 2500-7000	Matrix 384X384
Flip angle80-90	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – AP
NEX 2	Saturation band must be placed over the spine.

Sagittal T1 Scan Parameters

FOV -300-=350	TE – 8-10	TR 400-700	Matrix 288X244
Flip angle70-80	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – AP
NEX 2	Saturation band must be placed over the spine.

 

 

Scan Parameters Sagittal Stir

FOV -300-=350	TE – 50-70	TR 2500-6000	Matrix 384X320
Flip angle80-120	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – AP
NEX 2	Saturation band must be placed over the spine.

 

Lumber plexus

Position: Supine, give cushions under the legs

Centre the laser beam level of umbilicus or L4 vertebra.

Sequence: Sagittal T2,

Coronal: Stir / T2 Fat sat, T1, 3d vista.3D GRE

Transverse: T2W, T1W

Sagittal Plan

Sagittal Plan: Plan box parallel to spinal cord and check the plan on other plane with appropriate angle, coverage L1 to symphysis. 

pubic.

Scan Parameters Sagittal T2

FOV -300-=350	TE – 80- 120	TR 2500-7000	Matrix 384X384
Flip angle80-90	Slice thickness 3 mm	Gap -10 % of slice thickness	Fold over Direction – AP
NEX 2	Saturation band must be placed over the lumbar spine.

Coronal plan

Coronal plan: Coronal plan on sagittal image parallel to spinal cord and check the plan on other plane with appropriate angle, coverage L1 to symphysis pubic.

Scan Parameters Coronal T2 Fat Sat

FOV -300-=340	TE – 50-70	TR 2500-3500	Matrix 384X320
Flip angle-70	Slice thickness 3-mm	Gap -0 % of slice thickness	Fold over Direction – FH
NEX 2	Saturation band must be placed over the Lumbar spine.		IR Delay 110

 

Scan Parameters Coronal 3D VISTA FS

FOV -300-=340	TE – 120	TR 1500	Matrix 384X320
Flip angle-90	Slice thickness 1-mm	Gap -0 % of slice thickness	Fold over Direction – FH
NEX 1	Saturation band must be placed over the Lumbar spine.		IR Delay 110

  

Transverse Plan

Axial plan on sagittal plane plan box perpendicular to spinal cord and check on other plane with appropriate angle coverage L1 to symphysis pubic.

Scan Parameters Transverse T2 Fat Sat

FOV -300-=340	TE – 50-70	TR 2500-3500	Matrix 384X320
Flip angle-70	Slice thickness 3-mm	Gap -0 % of slice thickness	Fold over Direction – RL
NEX 2	Saturation band must be placed over the Lumbar spine.		IR Delay 110

 

 SI JOINTS /SACRAM

Position: Supine, give cushions under the legs

Centre the laser beam level of umbilicus or L4 vertebra.

Sequence: Sagittal: Stir

Coronal: Stir, Gradient, T1

Transverse: T2 FS, T1W

Coronal plan S I joint: Coronal plan on sagittal image parallel to scram and check the plan on another plane with appropriate angle.

Scan Parameters Coronal Stir

FOV 200-250	TE – 50-70	TR 2500-5000	Matrix 384X320
Flip angle80-120	Slice thickness 3 mm	Gap -10 % of slice thickness	Fold over Direction – FH
NEX 2	Saturation band must be placed over the spine.		IR Deley-200-220

 

 

Coronal T1 Scan Parameters

FOV 200-250	TE – 8-10	TR 700-1200	Matrix 288X244
Flip angle-25	Slice thickness 3 mm	Gap -10 % of slice thickness	Fold over Direction – FH
NEX 2	Saturation band must be placed over plan box.

 

Sagittal Planning: Sagittal Plan on coronal image box line parallel to SI Joints and check the plan another plane with appropriate angle.

Scan Parameters Sagittal T2

FOV 200-250	TE – 80- 120	TR 2500-7000	Matrix 384X384
Flip angle-90	Slice thickness 3 mm	Gap -10 % of slice thickness	Fold over Direction – AP
NEX 2	Saturation band must be placed over the lumbar spine.

 

Axial plan on sagittal or coronal images.  box line perpendicular to scram or check the appropriate angle on another plane. 

Scan Parameters Transverse T2 Fat Sat

FOV 200-250	TE – 50-70	TR 2500-3500	Matrix 384X320
Flip angle-90	Slice thickness 3-mm	Gap -0 % of slice thickness	Fold over Direction – RL
NEX 2	Saturation band must be placed over the Both SI Joints		IR Delay 110

 

Transverse T1 Scan Parameters

FOV 200-250	TE – 8-10	TR 400-700	Matrix 288X244
Flip angle70-80	Slice thickness 3-4 mm	Gap -10 % of slice thickness	Fold over Direction – RL
NEX 2	Saturation band must be placed over the Both SI Joints

Coccyx

Position: Supine, give cushions under the legs

Centre the laser beam level of umbilicus or L4 vertebra.

Sequence: Sagittal: T2, T1, Stir

Coronal: Stir, T1

Transverse: T2, T2 FS, T1W

Sagittal T2 Plan: Plan box parallel scram on coronal image and check the appropriate angle to other planes. 

Scan Parameters Sagittal T2

FOV 150-180	TE – 80- 120	TR 2500-7000	Matrix 384X384
Flip 90	Slice thickness 2.5 mm	Gap -0	Fold over Direction – AP
NEX 2	Saturation band must be placed over the Coccyx spine.

Scan Parameters Sag T2 Fat Sat

FOV 150-180	TE – 50-70	TR 2500-3500	Matrix 384X320
Flip angle-90	Slice thickness 2mm	Gap -0 % of slice thickness	Fold over Direction – FH
NEX 2	Saturation band must be placed over the Coccyx spine.		IR Delay 110

 

Transverse T1 Scan Parameters

FOV 150-180	TE – 8-10	TR 400-700	Matrix 288X244
Flip angle70-80	Slice thickness 2 mm	Gap -10 % of slice thickness	Fold over Direction – FH
NEX 2	Saturation band must be placed over the Coccyx spine.

 

Coronal plan: Coronal plan on sagittal image box line parallel to coccyx and check the plan block on other planes with appropriate angle.

Scan Parameters Coronal Stir

FOV 150-170	TE 60-70	TR 2500-5000	Matrix 288X244
Flip angle-90	Slice thickness 2 mm	Gap -0	Fold over Direction – FH
NEX 2	Saturation band must be placed over plan box.		IR Deley-200-220

 

Coronal T1 Scan Parameters

FOV 150-170	TE – 8-10	TR 400-700	Matrix 288X244
Flip angle-90	Slice thickness 2 mm	Gap -0	Fold over Direction – FH
NEX 2	Saturation band must be placed over plan box.

Axial Plan: Plan the transverse slice on sagittal or coronal image plan block perpendicular to coccyx or check the appropriate angle on another plane.  

Scan Parameters Transverse T2 Fat Sat

FOV 150-170	TE – 50-70	TR 2500-3500	Matrix 384X320
Flip angle-90	Slice thickness 2mm	Gap -0 % of slice thickness	Fold over Direction – RL
NEX 2	Saturation band must be placed over the Coccyx spine.		IR Delay 110

 

Transverse T1 Scan Parameters

FOV 150-170	TE – 8-10	TR 400-700	Matrix 288X244
Flip angle70-80	Slice thickness 2 mm	Gap -10 % of slice thickness	Fold over Direction – RL
NEX 2	Saturation band must be placed over the Coccyx spine.

Published by:

Dr Ravi Dutt Sharma. Jaypee Healthcare .Department of Radiodiagnosis Noida