CTDIvol vs DLP – a simple explanation

What do they represent? CTDIvol is based on measurements obtained when scanning either a 16cm or 32 cm phantom.   Essentially, it represents scanner output.  DLP is derived from CTDIvol, but incorporates a scan length component.  Both function as reasonable proxies for absorbed dose but do not represent the actual patient dose.  In other words, if… Read More

End of Quarter: Time to Perform Your DIR Data Quality Checks

With the end of the quarter approaching the ACR’s NRDR sent a reminder to all participants to perform several quality checks so your report will be as accurate as possible.  These checks include making sure: The total volume of exams recorded in the DIR for your facility is reasonably close to the volume of studies… Read More