We report increased F-FDG uptake in the right posterior mediastinal region in a 70-year-old woman following the discovery of a mass in the aftermath of a bronchitis episode. We also report increased F-Choline uptake in the right posterior mediastinal region in a 66-year-old man with newly discovered prostate cancer, which may indicate the presence of mediastinal metastases. Both patients had a thoracic MRI showing an intense gadolinium enhancement in the same region, consistent with thoracic schwannomas, which were subsequently proven histologically. This case highlights that schwannoma is a diagnostic pitfall in both F-FDG and F-Choline PET/CT.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11493534PMC
http://dx.doi.org/10.3389/fonc.2024.1467344DOI Listing

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