Implication of FDG-PET/CT without synchronous colonic lesion in patients with stenotic left-sided colorectal cancer
Abstract Although 18-fluoro-2-deoxy-glucose positron emission tomography/computed tomography (18F-FDG PET/CT) is useful for detecting synchronous colorectal cancer (CRC) in stenotic CRC, long-term outcomes of patients without synchronous FDG-avid lesions are not well reported. We investigated postop...
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oai:doaj.org-article:4b439ce88cb943939613857a030a2f702021-12-02T16:50:24ZImplication of FDG-PET/CT without synchronous colonic lesion in patients with stenotic left-sided colorectal cancer10.1038/s41598-021-94030-w2045-2322https://doaj.org/article/4b439ce88cb943939613857a030a2f702021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-94030-whttps://doaj.org/toc/2045-2322Abstract Although 18-fluoro-2-deoxy-glucose positron emission tomography/computed tomography (18F-FDG PET/CT) is useful for detecting synchronous colorectal cancer (CRC) in stenotic CRC, long-term outcomes of patients without synchronous FDG-avid lesions are not well reported. We investigated postoperative colonoscopy results in patients with left-sided stenosing CRC without synchronous FDG-avid lesions. In this retrospective review, 754 patients with left-sided CRC without synchronous FDG-avid lesions on preoperative 18F-FDG PET/CT were divided into two groups based on the completeness of preoperative colonoscopy. Propensity score matching was performed to balance baseline characteristics. Results of postoperative colonoscopy were compared in both the unmatched and matched cohorts. At 1 and 5 years after surgery, the cumulative risk of advanced adenoma (AA) or carcinoma (CA) in all patients, risk of CA, and additional surgical risk were 1.8% and 10.1%, 0.1% and 0.4%, and 0% and 0.5%, respectively. In both cohorts, the AA risk was significantly higher in the incomplete colonoscopy group. However, the risk of CA showed no between-group difference in the matched cohort. Additional surgical risk did not differ between the two groups. Thus, the finding of negative FDG-avid lesions in the proximal colon in addition to the target CRC ensures the absence of additional lesions warranting surgical plan changes.Jong Il LeeSang Sik ChoUi Sup ShinByong Ho JeonSun Mi MoonYounjoo KimKi Young YangByung Il KimNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021) |
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Medicine R Science Q Jong Il Lee Sang Sik Cho Ui Sup Shin Byong Ho Jeon Sun Mi Moon Younjoo Kim Ki Young Yang Byung Il Kim Implication of FDG-PET/CT without synchronous colonic lesion in patients with stenotic left-sided colorectal cancer |
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Abstract Although 18-fluoro-2-deoxy-glucose positron emission tomography/computed tomography (18F-FDG PET/CT) is useful for detecting synchronous colorectal cancer (CRC) in stenotic CRC, long-term outcomes of patients without synchronous FDG-avid lesions are not well reported. We investigated postoperative colonoscopy results in patients with left-sided stenosing CRC without synchronous FDG-avid lesions. In this retrospective review, 754 patients with left-sided CRC without synchronous FDG-avid lesions on preoperative 18F-FDG PET/CT were divided into two groups based on the completeness of preoperative colonoscopy. Propensity score matching was performed to balance baseline characteristics. Results of postoperative colonoscopy were compared in both the unmatched and matched cohorts. At 1 and 5 years after surgery, the cumulative risk of advanced adenoma (AA) or carcinoma (CA) in all patients, risk of CA, and additional surgical risk were 1.8% and 10.1%, 0.1% and 0.4%, and 0% and 0.5%, respectively. In both cohorts, the AA risk was significantly higher in the incomplete colonoscopy group. However, the risk of CA showed no between-group difference in the matched cohort. Additional surgical risk did not differ between the two groups. Thus, the finding of negative FDG-avid lesions in the proximal colon in addition to the target CRC ensures the absence of additional lesions warranting surgical plan changes. |
format |
article |
author |
Jong Il Lee Sang Sik Cho Ui Sup Shin Byong Ho Jeon Sun Mi Moon Younjoo Kim Ki Young Yang Byung Il Kim |
author_facet |
Jong Il Lee Sang Sik Cho Ui Sup Shin Byong Ho Jeon Sun Mi Moon Younjoo Kim Ki Young Yang Byung Il Kim |
author_sort |
Jong Il Lee |
title |
Implication of FDG-PET/CT without synchronous colonic lesion in patients with stenotic left-sided colorectal cancer |
title_short |
Implication of FDG-PET/CT without synchronous colonic lesion in patients with stenotic left-sided colorectal cancer |
title_full |
Implication of FDG-PET/CT without synchronous colonic lesion in patients with stenotic left-sided colorectal cancer |
title_fullStr |
Implication of FDG-PET/CT without synchronous colonic lesion in patients with stenotic left-sided colorectal cancer |
title_full_unstemmed |
Implication of FDG-PET/CT without synchronous colonic lesion in patients with stenotic left-sided colorectal cancer |
title_sort |
implication of fdg-pet/ct without synchronous colonic lesion in patients with stenotic left-sided colorectal cancer |
publisher |
Nature Portfolio |
publishDate |
2021 |
url |
https://doaj.org/article/4b439ce88cb943939613857a030a2f70 |
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