CT Modality - Non Product Specific - Informational

Rings and Bands - CTIQ Artifact Library - CLICK HERE to see CT Image Artifacts in PSDB Open the Long Description and click on thumbnails of Artifacts in PSDB. Click on thumbnails to see the original issue. Search on the thumbnail label to go to that Knowledge Object. Click on one of the thumbnail images to see the original issue associated with the artifact. The original issue will open in a new window. Once you have found the artifact that you are experiencing: Copy the artifact number found under the thumbnail. Close this concept Open a new session Paste the artifact number (CTIQXXXXX) without spaces into the search field and search to go to that knowledge object. Rings Definition: 48cm Phantoms A dark or light circle or arc approximately 3 or less pixels in width. Rings are typically one pixel wide. On 48/L images, the ring must be greater than or equal to 30 degrees of arc and have a minimum diameter of no smaller than 1cm. The ring must also be repeatable at the same radius and image quadrant. All other phantoms A dark or light circle or partially closed circle approximately 3 or less pixels in width. Rings are typically one pixel in width CTIQ60227 CTIQ39040 CTIQ82629 CTIQ27615 CTIQ72750 CTIQ49306 CTIQ66334 CTIQ66334 CTIQ83482 CTIQ68089 CTIQ70727 CTIQ70727 CTIQ71921 and CTIQ79979 CTIQ72103 CTIQ76467 CTIQ81896 CTIQ74917 CTIQ77503 CTIQ206645 CTIQ35801 CTIQ64712 CTIQ64712 CTIQ67078 CTIQ70997 CTIQ22530 CTIQ58987 CTIQ192266 CTIQ35026 CTIQ141572 CTIQ214654 CTIQ71921 CTIQ239755 CTIQ240982 CTIQ35026 CTIQ244173 CTIQ249432 CTIQ135863 CTIQ251469 CTIQ251470 CTIQ244173 CTIQ252143 CTIQ66334 CTIQ259577 CTIQ264572 CTIQ268092 CTIQ282342 CTIQ CTIQ CTIQ CTIQ