Recalled ADNI-2 AV45 scan replaced with new reworked imagesThe original raw and pre-processed images for ADNI-2 subject 013_S_4579 baseline AV45 scan were reconstructed with an incorrect parameter, but initially passed in June, 2012. This error was discovered recently and the site has re-reconstructed the images. The new “raw” PET image set (image UID I340577) has now been passed, and the original upload (image [...] Continue reading...Reuploaded PET imagesTuesday, November 8, 2011 Comments Off The baseline FDG scan for ADNI-2 subject 024_S_4280, scan date October 28, 2011, has been reuploaded. The original upload (UID I263076) passed initially, but has now been failed due to a minor artifact caused by the subject being too high in the field-of-view. A new upload (UIDI265145), fixing the problem, was submitted and passed November 8, 2011 [...] Continue reading...Scanner change for ADNI-2Tuesday, November 8, 2011 Comments Off Site 022 has changed their PET scanner from a Philips Allegro PET-only system, to a Philips Gemini-TF PET/CT. All subjects scanned under ADNI-GO were scanned on the Allegro system. All subject scanned under ADNI-2 have been scanned on the Gemini-TF (just 3 scans as of this posting) Bob Koeppe 11/8/11 Continue reading...Reuploaded pre-processed PET imagesTuesday, October 18, 2011 Comments Off Two of the pre-processed uploads for subject 032_S_2240 baseline visit AV45 scan were found to have a processing error. This error has been corrected and there are two new standardized upload sets (“AV45 Coreg,Avg. Standardized Image and Voxel Size” and “AV45 Coreg,Avg. Std Imge and Vox Siz,Uniform Resolution”. Please replace the two old upload [...] Continue reading...Replacement of Pre-Processed PET imagesTuesday, October 18, 2011 Comments Off Two of the pre-processed uploads for ADNI-GO subject 032_S_2240 baseline visit AV45 scan have been reprocessed and reuploaded. We discovered a problem with the orientation of the two standardized image sets, which has now been fixed. The two standardized upload sets are new (“AV45 Coreg,Avg. Standardized Image and Voxel Size” and “AV45 Coreg, Avg. Std [...] Continue reading...Reuploaded pre-processed PET imagesFriday, September 9, 2011 Comments Off Two of the pre-processed uploads for subject 0153_S_4133 initial visit AV45 have been reuploaded as we detected a slight mis-registration of the AV45 scan to the FDG. The AV images have been re-registered correctly, and there are two standardized upload sets are new (“AV45 Coreg,Avg. Standardized Image and Voxel Size” and “AV45 Coreg,Avg. Std Imge [...] Continue reading...Reuploaded pre-processed PET imagesMonday, May 9, 2011 Comments Off Pre-processed uploads for subject 024_S_1393, 36m FDG and PiB (4 images sets each) and 099_S_0352, 48m FDG (2 image sets) have been reuploaded due to a problem with the study description. The images have not changed, only the study descriptions within the DICOM headers. The LONI reporting of the study descriptions was correct. There should [...] Continue reading...PET Scanner changes from ADNI-1 to ADNI-GOTuesday, March 22, 2011 Comments Off Several sites have made PET scanner changes between ADNI-1 and ADNI-GO. Please read the following notice before going to the list of scanner changes below: ***IMPORTANT NOTE*** As mentioned in a long ago posting, different PET scanner models are not completely consistent in voxel size. By this I mean that 10 mm on one scanner [...] Continue reading...Pre-processed ADNI-GO PET files replacedTuesday, March 22, 2011 Comments Off Two recent ADNI-GO PET subjects have had uploaded pre-processed files replaced. These are: 1. 116_S_1232, 48m, FDG, Upload set 4 (Coreg, Avg, Std Img and Vox Siz, Uniform Resolution) The smoothing of the original upload was incorrect. New upload available 3/12/11. 2. 003_S_1122, 48m, AV-45, all 4 pre-processed uploads. The original uploads are not correctly [...] Continue reading... |
Monday, October 22, 2012
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