[Intl_DxMedPhys] Question on CT Bowtie filter failures

[William Davros]

Yes years and years ago I detected high radiation and a slight image
artifact. It turned out to be a thru and thru crack at the thinnest section
of the bow tie filter.
Regards
B Davros


On Tue, Apr 8, 2025 at 11:40 AM Mark Supanich via
Intl_dxmedphys_wd_osu_list <intl_dxmedphys_wd_osu_list at lists.osu.edu> wrote:

> Hi all, AAPM TG 96. B is curious if anyone has ever had any experience of
> discovering an issue with a bowtie filter (or inherent filtration) through
> annual CTDI testing. Basically, observing a whacky result in
> Center/Periphery doses that was
> Hi all,
> AAPM TG 96.B is curious if anyone has ever had any experience of
> discovering an issue with a bowtie filter (or inherent filtration) through
> annual CTDI testing. Basically, observing a whacky result in
> Center/Periphery doses that was due to a filter issue.
>
> Feel free to respond directly to me and not the list.
>
>
> --
>
> *Mark P. Supanich, Ph.D., DABR, FAAPM* (he/him)
>
> Director – Diagnostic Medical Physics
>
> Rush University System for Health
>
> Associate Professor & Vice Chair for Physics and Informatics
>
> Rush Medical College Department of Diagnostic Radiology and Nuclear
> Medicine
>
>
> [image: RUSH]
>
>
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