Dilated Internal Thoracic Vertebral Venous Plexus Simulating Bone Metastases on FDG PET/CT

Nir Hod, Reut Anconina, Daniel Levin, Dina Ezroh Kazap, Sophie Lantsberg

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A 42-year-old woman with a newly diagnosed malignant thymoma underwent FDG PET/CT, which demonstrated an increased uptake in anterior mediastinal tumor and several pleural masses in the right hemithorax, compatible with "drop metastases." In addition, contrast-enhanced CT images showed hyperdense abnormality in T2 vertebral body, congruent with intensely increased FDG uptake, raising suspicion of skeletal metastasis. This is a rare but important potential pitfall either in CT and FDG PET/CT - a "false-positive" bony lesion not attributed to skeletal metastasis but to dilated internal thoracic vertebral venous plexus associated with collateral circulation due to superior vena cava syndrome.

Original languageEnglish
Pages (from-to)e39-e42
JournalClinical Nuclear Medicine
Volume43
Issue number2
DOIs
StatePublished - 1 Feb 2018
Externally publishedYes

Keywords

  • FDG PET/CT
  • collateral circulation
  • false-positive
  • superior vena cava syndrome
  • thymoma
  • vertebral venous plexus

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