3T MRI Scan Information



A data frame with 940 rows and 34 variables


A dataset with variables as follows:

  • RID N Participant roster ID

  • SITEID N Site ID

  • VISCODE T Visit code

  • USERDATE S Date record created


  • MMCONDCT N Was the scan conducted?

  • MMREASON N Reason why the scan was not conducted:

  • MMOTHSPE T If Other, specify:

  • EXAMDATE D Examination Date

  • MMSCOUT N 1. Tri-Planar Scout (if available, otherwise use an axial scout)

  • MMSCTCOM T Comments <!--Tri-Planar Scout-->

  • MMSMPRAGE N 2. Straight Sagittal MPRAGE Sequence

  • MMSMPCOM T Comments <!--Straight Sagittal MPRAGE-->

  • MMRMPRAGE N 3. Repeat Straight Sagittal MPRAGE Sequence

  • MMRMPCOM T Comments <!--Repeat Straight Sagittal MPRAGE-->

  • MMB1HEAD N 4. B1 Calibration Head Coil Scan (Only applicable for phased array head coil on GE and Siemens systems)

  • MMB1HDCOM T Comments <!--B1 Calibration Head Coil Scan-->

  • MMB1BODY N 5. B1 Calibration Body Coil Scan (Only applicable for phased array head coil on GE and Siemens systems)

  • MMB1BDCOM T Comments <!--B1 Calibration Body Coil Scan-->

  • MMECHO N 6. Straight Axial Fast or Turbo Spin Echo

  • MMECCOM T Comments <!--6. Straight axial or spin echo-->

  • MMPHAN N 7. In new exam; Perform ADNI QC Scan. Localizer and Straight Sagittal MPRAGE (with increased slice thickness to ensure phantom coverage)

  • MMPHCOM T Comments: <!--ADNI QC Scan-->

  • MMTRNSFR N Was data transferred to LONI within 24 hours of scan?

  • MMTRNDATE D Transfer Date

  • MMTRNCOM T Comments

  • MMARCHIVE N Data Archived Locally

  • MMARCMED T Archive Medium

  • MMARCCOM T Comments

  • MMLPDONE N 9. Was a Lumbar Puncture completed prior to the MRI scan?

  • MMLPINTER N If Yes, What was the interval between LP and MRI?

  • USERDATE2 S Date record last updated