Epilepsy Service at MassGeneral Hospital

NEUROIMAGING PROTOCOL

MR Imaging Protocol

 

Sequence

TE

TR

Flip

FOV

Matrix

Slice Thickness (mm)

Slice Gap (mm)

b-value

NEX

Options

Acquisition time (min:sec)

Sagital T1 localizer

14

500

 

200X400

192X256

5

1.5

 

1

 

1:37

Axial FSE T2

102

6000

 

200X400

(.75)256X320

5

1

 

2

 

3:13

Axial FLAIR

120

10,000

TI=2200

200X 00

192X256

5

1

 

1

 

4:40

Coronal oblique T2 FSE

102

6000

 

200X200

(.75)224X320

4

1

 

3

 

3:42

Coronal oblique FLAIR

120

10,000

TI=2200

200X200

192X256

4

1

 

1

 

4:40

Coronal SPGR volumetric dataset

8

30

35

200X200

160X256

1.5

0

 

1

 

10:18

Axial DWI

72.9

7500

 

400X200

256X128

5

1

1000 s/mm2

1

EPI

2:38

Axial Susceptibility GRE (Optional)

25

750

20

200X200

(.75)192X256

5

1

 

2

 

3:41

Single Voxel Spectroscopy

144

1500

 

200X400

 

 

 

 

8

 

 

Abbreviations:
DWI = Diffusion Weighted Imaging
FLAIR = Fluid Attenuated Inversion Recovery
Flip = Flip angle for gradient echo
FOV = Field of View
FSE = Fast Spin Echo
GRE = Gradient Echo
Matrix = Number of pixels in x and y direction
SPGR  = Spoiled gradient recalled echo
TE = Echo Time
TI = Inversion time
TR = Repetition Time
Note: These parameters are customized for use on scanners at MGH but may not be optimal at other sites. No assurances are expressed or implied.

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