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Background Colonic F-18-Fluoro-2-Deoxy-D-Glucose Uptake on Positron Emission Tomography Is Associated with the Presence of Colorectal Adenoma

Title
Background Colonic F-18-Fluoro-2-Deoxy-D-Glucose Uptake on Positron Emission Tomography Is Associated with the Presence of Colorectal Adenoma
Authors
Lee, Ko EunMoon, Chang MoYoon, Hai-JeonKim, Bom SahnChang, Ji YoungSon, Hyo MoonRyu, Min SunKim, Seong-EunShim, Ki-NamJung, Hye-KyungJung, Sung-Ae
Ewha Authors
정성애정혜경심기남김성은김범산문창모윤혜전
SCOPUS Author ID
정성애scopus; 정혜경scopus; 심기남scopus; 김성은scopus; 김범산scopus; 문창모scopus; 윤혜전scopus
Issue Date
2016
Journal Title
PLOS ONE
ISSN
1932-6203JCR Link
Citation
vol. 11, no. 8
Publisher
PUBLIC LIBRARY SCIENCE
Indexed
SCIE; SCOPUS WOS scopus
Abstract
F-18-fluoro-2-deoxy-D-glucose (FDG) positron emission tomography (PET) scan is used to evaluate various kinds of tumors. While most studies on PET findings of the colon focus on the colonic uptake pattern, studies regarding background colonic uptake on PET scan are rare. The purpose of this study was to identify the association between the background colonic uptake and the presence of colorectal adenoma (CRA), which is a frequent precancerous lesion. We retrospectively reviewed the medical records of 241 patients with gynecologic malignancy who had received PET or PET/computed tomography (CT) scan and colonoscopy at the same period as a baseline evaluation. Background colonic F-18-FDG uptake was visually graded and the maximal standardized uptake values (SUVmax) of 7 different bowel segments were averaged. In univariate analysis, older age at diagnosis (>= 50 years, p = 0.034), overweight (BMI >= 23 kg/m(2), p = 0.010), hypercholesterolemia (>= 200 mg/dL, p = 0.027), and high grade background colonic uptake (p = 0.009) were positively associated with the prevalence of CRA. By multiple logistic regression, high grade background colonic uptake was independently predictive of CRA (odds ratio = 2.25, p = 0.021). The proportion of CRA patients significantly increased as background colonic uptake grade increased from 1 to 4 (trend p = 0.015). Out of the 138 patients who underwent PET/CT, the proportion of CRA patients in the group with high SUVmax (>2.25) was significantly higher than in the low SUVmax group (27.5% vs. 11.6%, p = 0.031). In conclusion, high grade of background colonic F-18-FDG uptake is significantly associated with the prevalence of CRA.
DOI
10.1371/journal.pone.0160886
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의학전문대학원 > 의학과 > Journal papers
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