Radiologists at the University of Washington in Seattle have described the calibration errors gradually introduced by "operator-influenced procedures," and how to correct for them.
Top news from a Jan. 30 featured radiology search on SearchMedica: image error
Radiologists at the University of Washington in Seattle kept track of calibration factors for 2 PET/CT scanners for up to 3.5 years, and watched the incremental calibration error that accumulated despite regular manufacturer-recommended QA. Their article describes the steps they recommend to compensate forcalibration errors gradually introduced by "operator-influenced procedures."
Related content from Diagnostic Imaging:
Philips is adding to its portfolio a new line of CT scanners and a new line of PET/CTs based on dose-saving technologies.
The weakest link in the digital imaging chain is often the last: the display station itself. While standards such as the DICOM Gray Scale Display Function have emerged to calibrate monitor performance, this was not designed to address ambient lighting levels, maximum monitor luminance, luminance ratio, luminance uniformity, or spatial resolution.
