Detection of Dural Metastases Before the Onset of Clinical Symptoms by 16 alpha-[F-18]Fluoro-17 beta-Estradiol PET in a Patient With Estrogen Receptor-Positive Breast Cancer

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We offer an illustrative case about estrogen receptor (ER) imaging (also known as 16 alpha-[F-18]fluoro-17 beta-estradiol ([F-18]-FES) PET) and the detection of metastatic lesions in the dural region. We present a case of a woman with ER-positive metastatic breast cancer and high [F-18]-FES uptake in the dural region on PET imaging, without associated clinical symptoms. These lesions were missed on [F-18]-FDG PET because of physiological [F-18]-FDG uptake in the brain. This case highlighted some difficulties in the interpretation of imaging of brain metastases and demonstrated the added value of [F-18]-FES PET imaging. [F-18]-FES PET could be used to prove the presence of ER-positive metastases in the brain.

Original languageEnglish
Pages (from-to)e165-e167
Number of pages3
JournalClinical Nuclear Medicine
Issue number3
Early online date10-Nov-2020
Publication statusPublished - Mar-2021


  • [F-18]-FES PET
  • brain metastases
  • breast cancer
  • estrogen receptor

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