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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Autores principales: Jong Il Lee, Sang Sik Cho, Ui Sup Shin, Byong Ho Jeon, Sun Mi Moon, Younjoo Kim, Ki Young Yang, Byung Il Kim
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Publicado: Nature Portfolio 2021
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spelling 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)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle 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
description 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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