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Hi Mike, Have you been able to verify the SUV inaccuracies with a phantom? Or is this something that happens only in large patients? In my experience, QClear and SharpIR can cause some overshoot of SUV in small lesions but that was something</div>
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Hi Mike,</div>
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Have you been able to verify the SUV inaccuracies with a phantom? </div>
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Or is this something that happens only in large patients?</div>
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In my experience, QClear and SharpIR can cause some overshoot of SUV in small lesions but that was something discovered when the algorithms were first introduced and may be different now. </div>
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Jon</div>
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<span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">Jonathon A. Nye, PhD</span></p>
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<span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">Professor, Department of Radiology and Radiological Science</span></p>
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<span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: black;">Medical University of South Carolina</span><span style="font-family: Arial, sans-serif; font-size: 11pt; color: rgb(47, 84, 150);"><br>
</span><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">99 Jonathan Lucas Drive, MSC 184</span></p>
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Charleston, SC 29425<span style="font-family: Arial, sans-serif; font-size: 11pt; color: rgb(47, 84, 150);"><br>
</span><span style="font-family: Calibri, Helvetica, sans-serif; color: black;">Phone: (843)-792-4368</span><span style="font-family: Arial, sans-serif; font-size: 11pt; color: rgb(47, 84, 150);"><br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Intl_dxmedphys_wd_osu_list <intl_dxmedphys_wd_osu_list-bounces+nyej=musc.edu@lists.osu.edu> on behalf of Mike Nimmo via Intl_dxmedphys_wd_osu_list
<intl_dxmedphys_wd_osu_list@lists.osu.edu><br>
<b>Sent:</b> Thursday, May 14, 2026 10:58 AM<br>
<b>To:</b> kenharper14 via Intl_dxmedphys_wd_osu_list <intl_dxmedphys_wd_osu_list@lists.osu.edu><br>
<b>Subject:</b> [Intl_DxMedPhys] Discovery IQ PET/CT Protocol help</font>
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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</div>
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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</div>
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<div>Hello,</div>
<div><br>
</div>
<div>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.</div>
<div><br>
</div>
<div>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:</div>
<div><br>
</div>
<div>1. Try turning on Q.Clear with Beta values of 200, 250, and 300</div>
<div>2. Increase bed overlap from 19 slices to 35 slices.</div>
<div>3. Changing bedstop acquisition time to 200 seconds or 400 seconds per bed stop for medium to large patients.</div>
<div>4. Using Z-axis standard for small to medium patients and Heavy for larger patients.</div>
<div>5. using Sharp IR</div>
<div><br>
</div>
<div>They are still struggling with image quality and SUV accuracy.</div>
<div><br>
</div>
<div>Additionally the radiologist appears doubtful whether this scanner will be effective for imaging PSMA or Dotatate studies.</div>
<div><br>
</div>
<div>I do not have much experience on this scanner platform so I would appreciate any assistance.</div>
<div><br>
</div>
<div>Thanks,</div>
<br>
<span class="x_gmail_signature_prefix">-- </span><br>
<div dir="ltr" class="x_gmail_signature" data-smartmail="gmail_signature">Mike Nimmo</div>
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