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Case Report

Hypermetabolic abdominal and cervical lymph nodes mimicking Hodgkin lymphoma relapse on FDG PET/CT after adenovirus-vectored COVID-19 vaccine

, , , , , , , , , , & show all
Pages 5129-5132 | Received 22 Sep 2021, Accepted 16 Nov 2021, Published online: 17 Dec 2021

Figures & data

Figure 1. (a) Surveillance FDG PET/CT performed 3 d after the first dose of the Oxford-AstraZeneca COVID-19 vaccine shows FDG avidity in abdominal lymph nodes. (b) Increased FDG uptake in left lower cervical lymph nodes (SUVmax 3.5 g/ml). (c) Subcentimetric mesenteric lymph nodes with moderate FDG uptake 3 d (SUV max 4.7 g/ml).

Figure 1. (a) Surveillance FDG PET/CT performed 3 d after the first dose of the Oxford-AstraZeneca COVID-19 vaccine shows FDG avidity in abdominal lymph nodes. (b) Increased FDG uptake in left lower cervical lymph nodes (SUVmax 3.5 g/ml). (c) Subcentimetric mesenteric lymph nodes with moderate FDG uptake 3 d (SUV max 4.7 g/ml).

Figure 2. (a,b,c) Follow-up FDG PET/CT 8 weeks after vaccination reveals normalization of FDG uptake in cervical (yellow arrow) and abdominal lymph nodes.

Figure 2. (a,b,c) Follow-up FDG PET/CT 8 weeks after vaccination reveals normalization of FDG uptake in cervical (yellow arrow) and abdominal lymph nodes.

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