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SPECIFIC CT, MRI, AND SCINTIGRAPHY PROTOCOLS - DOC by fcFthw

VIEWS: 32 PAGES: 3

									V.4.4 Whole-Body MRI Technical Factors: Siemens 1.5 Tesla

                    Sequence:               True               FISP      Turbo STIR               OOPS T1
                                            Localizer
                 Patient Position:                         Supine, arms down at sides
                 Imaging Plane:              Coronal, sagittal or      Coronal           Coronal
                                                multiplane
                      Coil(s):                  Body coil*           Body coil*        Body coil*
                     Contrast:                     None                 None               None
               Anatomic coverage:                      Whole body (cranial vertex to feet)
                    TE (msec):                   1.9-3.05               60-77             2.2-2.4
                   TR (msec):                       4-7              4200-6800           120-150
                    TI (msec):                                           150
                    Flip angle:                      80               150-180              70-75
                Echo train length:                                       7-33                1
                Number of slices:                  3-10              11-20 slices      1120 slices
              Slice thickness (mm):                5-10                   4-6               4-6
                  Spacing/gap:                      2-5                    1                 1
                       (mm)
                  Field of View                       500                   200-500               200-500
                   (FOV) mm:
                 Matrix (phase x                  128 x 256             128-140 x 256         150-180 x 256
                   frequency):
               Scan (Acquisition)                  6-20 sec.              2-3 minutes             15-25 sec.
                       Time:



   * Phased array coils may be used if their use does not lengthen the time of the examination.
        V.4.5 Whole-Body MRI Technical Factors: GE 1.5 Tesla

                    Sequence:                   FIESTA               FSE-XL IR                 OOPS T1
                                                                                               (SpGRE)
                Patient Position:                        Supine, arms down at sides
                 Imaging Plane:                Coronal            Coronal              Coronal
                    Coil(s):                  Body coil*        Body coil*            Body coil*
                    Contrast:                   None                None                 None
               Anatomic coverage:                     Whole body (cranial vertex to feet)
                   TE (msec):                    1.5                 27                   2.3
                   TR (msec):                    4.5              Machine              120-250
                                                                determined
                                                              (approx. 4900-
                                                                   6000)
                    TI (msec):                                      120
                    Bandwidth:                                     32kHz
                    Flip angle:                  80                                       70
                  Fat Saturation:                No                  no                   no
                Echo train length:                                   16
                Number of slices:             ~20 slices        11-20 slices         11-20 slices
              Slice thickness (mm):               6                  4-6                  4-6
                   Spacing/gap:                  1.0                 1.0                  1.0
                       (mm)
                  Field of View                    500                 200-480                  200-480
                   (FOV) mm:
                      Matrix:                  128 x 256              128 x 256               128-196 x 256
             Scan (Acquisition) time:          20-40 sec.              2-3 min.                 15-25 sec.

                       Notes:




*Phased array coils may be used if their use does not lengthen the time of the examination.
    V.4.6 Whole-Body MRI Technical Factors: Philips (Intera 1.5T @ R8.3
          software)

                Sequence:                     SCOUT              IR TSE          OOPS T1 (FFE)
              Patient Position:                         Supine, arms down at sides
              Imaging Plane:                 Coronal or          Coronal              Coronal
                                             multiplane
                 Coil(s):                    Body coil*        Body coil*            Body coil*
                 Contrast:                     None                None                 None
            Anatomic coverage:                       Whole body (cranial vertex to feet)
                TE (msec):                                          28                    2.3
               TR (msec):                                        Machine              Machine
                                                               determined        determined (120-
                                                             (approx. 2000)              250)
                TI (msec):                                         150
                Bandwidth:                                        32kHz
                Flip angle:                                                               80
              Fat Saturation:                   no                  no                    no
            Echo train length:                                      12
            Number of slices:                                  11-20 slices         11-20 slices
          Slice thickness (mm):                                     4-6                   4-6
               Spacing/gap:                                         1.0                   1.0
                   (mm)
              Field of View                      500                   200-480                  200-480
               (FOV) mm:
                  Matrix:                    128 X 256               128 x 256                128-196 x 256
           Acquisitions (NSA)                    1                        1                         1
         Scan (Acquisition) time:             6-15 sec.           30 sec -1 minute              13-26 sec.

           Notes: SENSE can be
           applied on any of the
            above sequences to
           shorten the scan time




*Phased array coils may be used if their use does not lengthen the time of the examination.

								
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