Primary Benign Intraosseous Meningioma on 18F-FDG PET/CT Mimicking Malignancy

Ho Seong Kim, Seok Hwi Kim, Hyung Jin Kim, Se Woong Kang, Soo Jeong Kim, Joo Hee Lee, Sun Pyo Hong, Young Seok Cho, Joon Young Choi

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3 Scopus citations


We present a case of primary benign intraosseous meningioma in the sphenoid bone mimicking malignancy. A 44-year-old female patient who had a protruding right eye and headache came to our hospital. MRI showed a large, destructive, heterogeneously well-enhancing soft tissue mass in the right sphenoid bone suggesting malignancy. 18F-FDG PET/CT showed a hypermetabolic mass in the same site with an SUVmax of 9.1 The pathological diagnosis by surgery revealed that this tumor was a WHO grade I transitional meningioma. This case suggests that primary benign intraosseous meningioma may show high 18F-FDG uptake mimicking a malignancy.

Original languageEnglish
Pages (from-to)153-156
Number of pages4
JournalNuclear Medicine and Molecular Imaging
Issue number2
StatePublished - Jun 2014
Externally publishedYes


  • Benign meningioma
  • PET/CT
  • Sphenoid bone

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    Kim, H. S., Kim, S. H., Kim, H. J., Kang, S. W., Kim, S. J., Lee, J. H., Hong, S. P., Cho, Y. S., & Choi, J. Y. (2014). Primary Benign Intraosseous Meningioma on 18F-FDG PET/CT Mimicking Malignancy. Nuclear Medicine and Molecular Imaging, 48(2), 153-156.