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PET imaging of IgG4-related disease:A comparative study of 18F-FDG PET/CT and 18F-FAMT PET/CT Azusa Tokue 1 1Department of Diagnostic Radiology Nuclear Medicine Gunma University Hospital Keyword: IgG4関連疾患 , 18F-FAMT PET/CT , 18F-FDG PET/CT pp.273-278
Published Date 2019/3/10
DOI https://doi.org/10.18888/rp.0000000783
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The aim of this study was to compare 18F-FDG PET/CT and 18F-FAMT PET/CT in IgG4-related disease(IgG4-RD). Twelve patients with IgG4-RD underwent both 18F-FDG and 18F-FAMT PET/CT. 18F-FDG and 18F-FAMT uptake were evaluated visually and by SUVmax. Lesion-to-mediastinum(L/M)and lesion-to-liver(L/L)ratios were caluculated. SUVmax of 18F-FDG positive-lesions were significantly higher compared to SUVmax of 18F-FAMT(p<0.05). L/M and L/L were significantly different between 18F-FDG and 18F-FAMT(p<0.05). Diagnostic method by combination of 18F-FDG and 18F-FAMT PET/CT may be useful for differentiating IgG4-RD from tumors.


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電子版ISSN 印刷版ISSN 0009-9252 金原出版

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