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KMID : 1148920140480020153
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Nuclear Medicine and Molecular Imaging
2014 Volume.48 No. 2 p.153 ~ p.156
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Primary Benign Intraosseous Meningioma on 18F-FDG PET/CT Mimicking Malignancy
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Kim Ho-Seong
Kim Seok-Hwi
Kim Hyung-Jin
Kang Se-Woong
Kim Soo-Jeong
Lee Joo-Hee
Hong Sun-Pyo
Cho Young-Seok
Choi Joon-Young
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Abstract
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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.
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KEYWORD
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Benign meningioma, Sphenoid bone, PET/CT, 18F-Fluorodeoxyglucose
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