徳島大学 教育・研究者情報データベース(EDB)

1. 大塚 秀樹([徳島大学.大学院医歯薬学研究部.保健学域.保健科学部門.放射線科学系.画像医学・核医学]/[徳島大学.医学部.保健学科.放射線技術科学専攻.診療放射線技術学講座])

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2. 久保 亜貴子([徳島大学.大学院医歯薬学研究部.医学域.医科学部門.内科系.放射線医学]/[徳島大学.病院.診療科.放射線科])

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3. (英) Michael Graham

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4. 西谷 弘

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(英) The relationship between standard uptake value (SUV) and Hounsfield Unit (HU) of oral contrast agent for FDG-PET/CT study.

(英) The aim of this study was to examine the relationship between CT density (Hounsfield Unit, HU) and the degree of fluoro-deoxyglucose (FDG) uptake, demonstrated as standard uptake value (SUV). Twenty contiguous patients (9 males, 11 females, age range of 29-79) were performed FDG-PET/CT scan with 750ml of 5% iodine-based oral contrast agent. A region of interest (ROI) was placed manually on oral contrast in the lumen of stomach, small bowel and ascending colon, avoiding contamination of other structures, and the average SUV and average HU were determined. R square and p value were applied to evaluate the correlation. The correlation between SUV and HU in each separate location is not significant. When all regions are combined, p value is significant (<0.05), but R square is not significant. Oral contrast can be one factor that influences measured FDG, and it is possible it acts as an irritant that increases metabolism in the bowel wall, resulting in increased FDG uptake.

1. (英) Administration, Oral
2. (英) Adult
3. (英) Aged
4. (英) Contrast Media
5. (英) Female
6. (英) Fluorodeoxyglucose F18
7. (英) Humans
8. (英) Male
9. (英) Middle Aged
10. (英) Neoplasms
11. (英) Radiopharmaceuticals
12. (英) Tomography, Emission-Computed
13. (英) Tomography, X-Ray Computed

1. (英) Article.PublicationTypeList.PublicationType: Journal Article