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FDG uptake in axillary lymph nodes after vaccination against pandemic (H1N1)

  • Nuclear Medicine
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Abstract

Objective

To alert the imaging community to potential false positive findings related to current immunization programmes against H1N1 influenza virus.

Methods

We reviewed 10 patients referred for positron emission tomography/computed tomography (PET/CT) who had undergone recent vaccination.

Results

All studies showed 18F-fluorodeoxyglucose (FDG) uptake in the draining axillary lymph nodes close to the vaccination site, while low-dose CT revealed lymph nodes ranged between 0.5 cm and 1.2 cm at the same site.

Conclusion

This potential pitfall in PET/CT should be borne in mind during current vaccination programmes.

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Author information

Authors and Affiliations

  1. PET/CT Unit, “Evangelismos” General Hospital, 45–47 Ipsilantou Str, Athens, 106 76, Greece

    Emmanouil Panagiotidis, Demetrios Exarhos, Irene Housianakou, Apostolos Bournazos & Ioannis Datseris

Authors
  1. Emmanouil Panagiotidis
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  2. Demetrios Exarhos
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  3. Irene Housianakou
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  4. Apostolos Bournazos
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  5. Ioannis Datseris
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Corresponding author

Correspondence to Emmanouil Panagiotidis.

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Panagiotidis, E., Exarhos, D., Housianakou, I. et al. FDG uptake in axillary lymph nodes after vaccination against pandemic (H1N1). Eur Radiol 20, 1251–1253 (2010). https://doi.org/10.1007/s00330-010-1719-5

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  • DOI: https://doi.org/10.1007/s00330-010-1719-5

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