[Intl_DxMedPhys] Discovery IQ PET/CT Protocol help

[Mike Nimmo]

Good afternoon Erin,

Thanks for your reply!

This customer uses a standard 12 mCi dose for all patients. Note that this
system performs no pediatric imaging.

Thanks,

On Thu, May 14, 2026 at 10:08 AM Erin Niven <macphys92 at yahoo.com> wrote:

> Good afternoon Mike,
>
> Is your administration of FDG weight-based or BMI-based?
>
> Sincerely,
> Erin Niven, PhD, CHP, RRPT, MCCPM
> Medical Physicist, NLHS
>
>
>
> Sent from Yahoo Mail. Get the app <https://urldefense.com/v3/__https://yho.com/148vdq__;!!KGKeukY!2UyTtxzriffL9PI8wBkSl7RMZzJNBwMiZWCfoK7o7DlPxK_lTedgGcGm4UTJ9ALE7Mu2yQD7X499XPZNSgUNftWdREeLW3N7r0WpqGEEU6xt$ >
>
>
> On Thursday, May 14, 2026 at 12:29:58 p.m. NDT, Mike Nimmo via
> Intl_dxmedphys_wd_osu_list <intl_dxmedphys_wd_osu_list at lists.osu.edu>
> wrote:
>
>
> Hello, I have a customer who has received delivery of a GE Discovery IQ
> PET/CT 5 ring system. Their PET radiologist is unhappy with the BGO
> system's PET image quality for medium to large patients. I was hoping
> someone out there with a 3
> Hello,
>
> I have a customer who has received delivery of a GE Discovery IQ PET/CT 5
> ring system. Their PET radiologist is unhappy with the BGO system's PET
> image quality for medium to large patients. I was hoping someone out there
> with a 3 or 5 ring PET/CT system could share their experience and maybe
> some protocol details with me to pass along.
>
> Particular concerns involve SUV overshoot when detecting small
> lesions. Also the image quality on medium to large adults is noisy and
> unsatisfactory. Some things we've been trying to improve image quality are
> below:
>
> 1. Try turning on Q.Clear with Beta values of 200, 250, and 300
> 2. Increase bed overlap from 19 slices to 35 slices.
> 3. Changing bedstop acquisition time to 200 seconds or 400 seconds per bed
> stop for medium to large patients.
> 4. Using Z-axis standard for small to medium patients and Heavy for larger
> patients.
> 5. using Sharp IR
>
> They are still struggling with image quality and SUV accuracy.
>
> Additionally the radiologist appears doubtful whether this scanner will be
> effective for imaging PSMA or Dotatate studies.
>
> I do not have much experience on this scanner platform so I would
> appreciate any assistance.
>
> Thanks,
>
> --
> Mike Nimmo
>


-- 
Mike Nimmo
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osu.edu/pipermail/intl_dxmedphys_wd_osu_list/attachments/20260514/ec4e6fd5/attachment.html>