- Removed the GE-FOCUS protocol because it had the following inconsistencies:
- DWI: the scan was not gated
- The TR for the GRE-MT1/MT0 was 62ms instead of 35ms for the non-FOCUS protocol
- The protocol included an SNR sequence (which is irrelevant for most users)
- Added Siemens Vida protocol
- Fixed Siemens Skyra protocol (issue #6)
- Philips DWI: Number of b=0 images: 3 --> 5
- ME-GRE: TR 625ms --> 600ms
- ME-GRE: TE(1) 2.1ms --> 7.2ms
- ME-GRE: Matrix 320x319 --> 448x448
- ME-GRE: FOV 160 --> 224
- ME-GRE: BW 241.1 --> 254.8
- ME-GRE: SENSE no --> yes (p2)
- T1w: Shim tuneup --> standard
- T2w: flip angle 180deg --> 120deg
- T2w: TR 2s --> 1.5s
- T2w: Shim tuneup --> standard
- GRE-MT1/MT0/T1w: Added pre-scan normalize
- T1w: Shim tuneup --> standard
- T2w: Shim tuneup --> standard
- DWI: TE: 60ms --> min
- DWI: Gradient: Normal --> Fast (2ms lower TE)
- DWI: TE: 60ms --> min
- GRE-MT1/MT0/T1w: FFT Img Scale: 10 --> 5 (to avoid saturation)
- DWI: TE: 56ms --> min
- GRE-MT1/MT0/T1w: FFT Img Scale: 10 --> 5 (to avoid saturation)
- T1w: Shim tuneup --> standard
- T2w: Shim tuneup --> standard
- DWI: Increase TE to be compatible with SH05 (rise time limitation): 60ms --> 61ms
- DWI no-ZOOMit: TE 60ms --> 56ms
- DWI: Added pre-scan normalize
- GRE-MT1/MT0/T1w: Added pre-scan normalize
- Updated pdfs
- Added protocol for VE11B platforms
- DWI: Added pre-scan normalize
- GRE-MT1/MT0/T1w: Added pre-scan normalize
- Merged all VE11 Prisma/Skyra ZOOMit/non-ZOOMit into a single importable file under: Prisma-Skyra_VE11/
- Note that this protocol is also compatible with VE11B sites.
- UPDATE 2019-03-22: This folder has now been removed due to inconsistencies and burden to maintain (depends on Siemens for generating it via simulator).
- Laser marking below the chin --> below the nose
- GE, MTS protocol: rhimsize, rhrcxres and rhrcyres were wrong. It is now fixed.
- Created protocol specific for no-FOCUS 750 systems
- Added cardiac gating, with 5 concatenation.
- GRE-MT1: Changed TR: 62ms-->35ms
- GRE-MT0: Changed TR: 62ms-->35ms
- ME-GRE: Added an anterior saturation band (coronal, 100mm thick, +100mm towards anterior direction from FOV center) for better WM/GM contrast.
- Removed the SNR_sag scan.
- Generated and uploaded a protocol.tar file that matches the pdf/html protocol files (currently not the case).
- Added: sherbrooke (n=7), milan (n=6), unf (n=2).
- Total: 31 subjects
- T1w and T2w are now using two different "geo names" to prevent confusion about FOV placement.
- T2w: Text was wrong: "Adjust the FOV so as to enclose the whole head"-->"Center the FOV at C3-C4 level as shown in the figure below".
- Added: barcelona (n=6)
- Removed .DS_Store and other ugly OSX files
- Total: 16 subjects
- Added Numbering for figures.
- Adjusted FOV and shim box on Fig_DWI.
- First version of multi-subject public dataset (2 centers: ucl, unf.
- Total: 10 subjects
- Subject preparation: added blurb about PulseOx
- DWI: Added coronal view to explain how to position shim box
- GRE-ME: Added picture to explain how to position shim box
- DWI: Made protocol withouth ZoomIT license
- DWI: Made protocol withouth ZoomIT license
- GRE-ME: Added anterior sat band for better WM/GM contrast
- GRE-ME: Added anterior sat band for better WM/GM contrast
- GRE-ME: PhaseEncode RL-->AP (to match other vendors)
- DWI: Clarified A-P sat band positioning
- For GE scanners: make optional the use of CVs for resampling to the effective resolution (too complicated).
- DWI: changed resolution 1.3-->0.9mm
- Clarified figures for DWI
- Added coil information
- T1w: FOV: 256x256->320x260
- GRE-ME: PNS mode high->moderate to reduce "twitching" in abdomen (only +0.1ms TE)
- Added _R53 suffix to explicit that this sequence could not be imported in older versions.
- Minor fix on T2w figure
- Fixed missing figures
- T1w: Slight improvement.
- T2w: Adjusted echo train and parallel imaging factor.
- MT: Implemented older version of the 3D-SPGR sequence for compatibility with DV25.1 versions.
- exar file was from a wrong protocol. Now fixed it.
- T1w: use fast SPGR instead of BRAVO (see ADNI3_Basic_GE_25x)
- DWI: 1x1mm --> 0.9x0.9mm in plane
- DWI: Added protocol for FOCUS excitation pulse
- GRE-MT: removed fat sat.
- GRE-MT: removed sat band.
- MT: Removed water excitation
- MT: Removed water excitation
- T2w (no change): Cannot do 180-120-120 --> 180-160-160 because of SAR issues
- T1w: Flip angle 8 --> 9
- T1w: Explicit TR/TE in pdf protocol. Should be close to 2000/3.72
- T1w: filter normal --> weak
- T2w: 0.9mm --> 0.8mm
- T2w: Flip refocus: 180-160-160... (no change)
- T2w: filter normal --> weak
- DWI: move after T2w
- GRE-MT: Matrix/FOV[mm] 192/172 --> 230/256 to match Siemens/GE
- GRE-MT: Phase encoding: A-P
- GRE-MT: TR[ms] 51 --> 57 (min for 50kg subject).
- GRE-MT: do not use Proset
- GRE-T1w: flip angle 11 --> 15
- Tried protocol with 50 kg (wrt. SAR)
- Added comment about what coil to use
- Localizer: Cor+Cor --> Cor+Sag
- DWI: Added 4 b=0 to the protocol: DWI_b0
- DWI: Mode: REF --> ISO
- T2w: VFL refocusing flip: 120 --> 180
- T2w: Slice turbo factor 2 --> 1
- T2w: Set refocusing to 180 and increase TR (set subject weight to 50kg)
- MT: Remove water excitation (because if poor shim, it suppressed water signal)
- First version uploaded (few modifs to do)
- DWI: change from Prisma: Gradient mode fast --> normal
- Protocol set up for 20ch head, but works equally well with the 64ch coil
- SAR: protocol tested at subject weight of 50kg
- T2w: TurboFact/EchoTrainDur[ms]/TA 88/287/4:33 --> 100/311/4:02
- GRE-MT: TR[ms]/TE[ms] 30/2.7 --> 35/2.62
- GRE-MT: PhaseEnc R-L --> A-P
- GRE-MT: Matrix/FOV[mm] 192/172 --> 256/230 (prevent A-P aliasing)
- GRE-MT: SliceOversampling[%] 0 --> 18.2 (prevent S-I aliasing)
- GRE-ME: Slices 18 --> 15 (to match DWI)
- GRE-ME: SliceThickness[mm] 3 --> 5 (to match DWI & MT)
- GRE-ME: SatBand: Anterior --> none
- GRE-ME: Matrix/FOV[mm] 128/256 --> 224/448 (prevent A-P aliasing
- GRE-ME: TR[ms]/TE[ms] 625/15 --> 600/14
- GRE-ME: NEx 3 --> 2
- DWI: 64dir --> 30dir to match Philips
- Changed order: put DWI before GRE (if pulseOx is defective after some time, better to do it faster)
- DWI: 30dir --> 64dir to match GE
- GRE-ME: matrix 256 --> 320 to match GE
- GRE-ME: phEnc: RL --> AP to avoid shoulders issue
- GRE-ME: use one sat band instead of two
- GRE-ME: BW 240Hz --> 260Hz
- GRE-ME: FOV 160mm --> 128mm
- GRE-ME: 15slc --> 18slc
- GRE-ME: nex 2 --> 3
- GRE-ME: TA 3:51min --> 4:24min