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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Should PET Scan Numbers Be Trusted As A Basis Of Restaging?

My son had a diagnosis of DLBCL five months ago. He finished six courses of RCHOP on December 27, and his oncologist order a PET/CT evaluation 2.5 weeks after the completion of chemotherapy. My question: was it too soon? His PET/SCAN showed some lymphnodes with much reduced SUVs, mostly in 4 and a few higher at 6 and 8. Are these numbers to be trusted as a basis of restaging? Thank you in advance.
Mon, 3 Feb 2014
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Oncologist 's  Response
Hi
Thanks for your query.
The interval should be at least 6 weeks. Early PET-CT may give false positive results. If the clinician feels so then you may wait for a few weeks and get another PET.
Hope this helps.
Regards
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Should PET Scan Numbers Be Trusted As A Basis Of Restaging?

Hi Thanks for your query. The interval should be at least 6 weeks. Early PET-CT may give false positive results. If the clinician feels so then you may wait for a few weeks and get another PET. Hope this helps. Regards