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Pulse Sequence Name
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(0018,9005)
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1C
|
Name of the pulse sequence for annotation purposes. Potentially vendor-specific name.
Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED. May be present otherwise.
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MR Spectroscopy Acquisition Type
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(0018,9200)
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1C
|
Identification of data encoding scheme.
Defined Terms:
-
SINGLE_VOXEL
-
-
ROW
-
-
PLANE
-
-
VOLUME
-
Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED. May be present otherwise.
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Echo Pulse Sequence
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(0018,9008)
|
1C
|
Echo category of pulse sequences.
Enumerated Values:
-
SPIN
-
-
GRADIENT
-
-
BOTH
-
Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED. May be present otherwise.
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Multiple Spin Echo
|
(0018,9011)
|
1C
|
Multiple Spin Echo category of pulse sequence used to collect different lines in k-space for a single frame.
Enumerated Values:
-
YES
-
-
NO
-
Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED and Echo Pulse Sequence (0018,9008) equals SPIN or BOTH.
Otherwise may be present if Image Type (0008,0008) Value 1 is DERIVED and Echo Pulse Sequence (0018,9008) equals SPIN or BOTH.
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Multi-planar Excitation
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(0018,9012)
|
1C
|
Technique that simultaneously excites several volumes.
Enumerated Values:
-
YES
-
-
NO
-
Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED. May be present otherwise.
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Steady State Pulse Sequence
|
(0018,9017)
|
1C
|
Steady State Sequence.
Defined Terms:
-
FREE_PRECESSION
-
-
TRANSVERSE
-
-
TIME_REVERSED
-
-
LONGITUDINAL
-
-
NONE
-
Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED. May be present otherwise.
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Echo Planar Pulse Sequence
|
(0018,9018)
|
1C
|
Echo Planar category of pulse sequences.
Enumerated Values:
-
YES
-
-
NO
-
Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED. May be present otherwise.
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|
Spectrally Selected Suppression
|
(0018,9025)
|
1C
|
Spectrally Selected Suppression.
Defined Terms:
-
WATER
-
-
FAT
-
-
FAT_AND_WATER
-
-
SILICON_GEL
-
-
NONE
-
Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED. May be present otherwise.
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|
Geometry of k-Space Traversal
|
(0018,9032)
|
1C
|
Geometry category of k-Space traversal.
Defined Terms:
-
RECTILINEAR
-
-
RADIAL
-
-
SPIRAL
-
Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED. May be present otherwise.
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|
Rectilinear Phase Encode Reordering
|
(0018,9034)
|
1C
|
Rectilinear phase encode reordering.
Defined Terms:
-
LINEAR
-
-
CENTRIC
-
-
SEGMENTED
-
-
REVERSE_LINEAR
-
-
REVERSE_CENTRIC
-
Required if Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED and Geometry of k-Space Traversal (0018,9032) equals RECTILINEAR.
Otherwise may be present if Image Type (0008,0008) Value 1 is DERIVED and Geometry of k-Space Traversal (0018,9032) equals RECTILINEAR.
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|
Segmented k-Space Traversal
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(0018,9033)
|
1C
|
Segmented k-Space traversal. If Geometry of k-Space Traversal is rectilinear, multiple lines can be acquired at one time. If Geometry of k-Space Traversal is spiral or radial, paths can be interleaved and acquired at one time.
Enumerated Values:
-
SINGLE
-
successive single echo coverage
-
PARTIAL
-
segmented coverage
-
FULL
-
single shot full coverage
Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED. May be present otherwise.
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|
Coverage of k-Space
|
(0018,9094)
|
1C
|
Coverage of k-Space.
Defined Terms:
-
FULL
-
-
CYLINDRICAL
-
-
ELLIPSOIDAL
-
-
WEIGHTED
-
Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED and MR Spectroscopy Acquisition Type (0018,9200) equals VOLUME.
Otherwise may be present if Image Type (0008,0008) Value 1 is DERIVED and MR Spectroscopy Acquisition Type (0018,9200) equals VOLUME.
|
|
Number of k-Space Trajectories
|
(0018,9093)
|
1C
|
Number of interleaves or shots.
Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED. May be present otherwise.
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|
Echo Peak Position
|
(0018,9298)
|
3
|
Number specifying the sample that coincides with the echo peak used during acquisition of the data. First sample will be numbered 1.
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