New PET findings after COVID-19 vaccination: Keep Calm and Carry On?

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After a few months of introducing C-19 vaccines, many cases of false-positive lymph nodes were reported on nuclear PET scans, some of which led to unnecessary biopsies and unnecessary worry for the patients concerned.

According to Mayo Clinic, the positive nodes were on the same side as the vaccine shot in the cases where the injection site was known.  Mayo added that some cases had uptake in the deltoid muscle, which is normally where vaccine injections are given, leading to increased suspicion of false positive in cases where uptake was in both deltoid muscle and axillary lymph nodes (armpit).  At least one case was found in the supraclavicular nodes (clavicle area), but it was noted that might have been a stronger immune reaction due to the patient undergoing immunotherapy.

This issue had come up several times in my large online Facebook group, but the number of threads is dwindling, so perhaps the word is getting around.  I myself encountered this on my own PET scan (Ga68) when a reactive axillary node was found after my Ga68 PET in July 2021. The report noted it as probably related to my recent C-19 vaccine (clear on previous nuclear scans). Further indication that radiologists are on the lookout for such cases.

Further reading:

PET findings after COVID-19 vaccination: “Keep Calm and Carry On” – PMC (nih.gov)

False-Positive Lymph Nodes on PET Scans After COVID Vaccination (medscape.com)

 
 
click on the picture to read

And it appears CT scans are showing lung abnormalities via ground glass opacity related to C-19. Read more here or click on the picture


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I am not a doctor or any form of medical professional, practitioner or counsellor. None of the information on my website, or linked to my website(s), or conveyed by me on any social media or presentation, should be interpreted as medical advice given or advised by me. 

Neither should any post or comment made by a follower or member of my private group be assumed to be medical advice, even if that person is a healthcare professional.   

Please also note that mention of a clinical service, trial/study or therapy does not constitute an endorsement of that service, trial/study or therapy by Ronny Allan, the information is provided for education and awareness purposes and/or related to Ronny Allan’s own patient experience. This element of the disclaimer includes any complementary medicine, non-prescription over the counter drugs and supplements such as vitamins and minerals.

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