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Clinical relevance of fluorodeoxyglucose positron emission tomography/computed tomography and magnifying endoscopy with narrow band imaging in decision-making regarding the treatment strategy for esophageal squamous cell carcinoma

查看全文 作　　者：Kazuhiro [1]Toriyama;Masahiro [2]Tajika;Tsutomu [2]Tanaka;Makoto [2,3]Ishihara;Yutaka [2]Hirayama;Sachiyo [2]Onishi;Nobumasa [1]Mizuno;Takamichi [1]Kuwahara;Nozomi [1]Okuno;Shinpei [1]Matsumoto;Eiichi [4]Sasaki;Tetsuya [5]Abe;Yasushi [4]Yatabe;Kazuo [1]Hara;Keitaro [6]Matsuo;Tsuneo [7]Tamaki;Yasumasa [2]Niwa 高影响力作者 机构地区：[1]Department of Gastroenterology,Aichi Cancer Center Hospital,Nagoya 464-8681,Japan;[2]Department of Endoscopy,Aichi Cancer Center Hospital,Nagoya 464-8681,Japan;[3]Department of Gastroenterology,Anjo Kosei Hospital,Anjo 446-8602,Japan;[4]Department of Pathology and Molecular Diagnostics,Aichi Cancer Center Hospital,Nagoya 464-8681,Japan;[5]Department of Gastroenterological Surgery,Aichi Cancer Center Hospital,Nagoya 464-8681,Japan;[6]Division of Cancer Epidemiology and Prevention,Aichi Cancer Center Research Institute,Nagoya 464-8681,Japan;[7]East Nagoya Imaging Diagnosis Center,Nagoya 464-0044,Japan高影响力机构 出　　处：《World Journal of Gastroenterology》索引2019年第25卷第46期,共14页高影响力期刊 摘　　要：BACKGROUND Recent advances in endoscopic technology,especially magnifying endoscopy with narrow band imaging(ME-NBI)enable us to detect superficial esophageal squamous cell carcinoma(ESCC),but determining the appropriate method of resection,endoscopic resection(ER)vs surgical resection,is often challenging.Recently,several studies have reported that 18F-fluorodeoxyglucose positron emission tomography(FDG-PET)is a useful indicator for decision-making regarding treatment for superficial ESCC.Although,there are not enough reports on association between FDG-PET uptake and clinicopathological characteristics of superficial ESCC.And,there are not enough reports on evaluating the usefulness of combination of FDG-PET and ME-NBI for determining the treatment strategy for superficial ESCC.This study evaluated clinical relevance of FDG-PET and ME-NBI in decision-making regarding the treatment strategy for ESCC.AIM To investigate the association between FDG uptake and the clinicopathological characteristics of superficial ESCC and its usefulness of combination of FDG-PET and ME-NBI for determining the treatment strategy for superficial ESCC.METHODS A database of all patients with superficial ESCC who had undergone both MENBI and FDG-PET for pre-treatment staging at Aichi Cancer Center Hospital between January 2008 and November 2018 was retrospectively analyzed.FDG uptake was defined positive or negative whether the primary lesion was visualized or could be distinguished from the background,or not.The invasion depth of ESCC was classified according to the Japan Esophageal Society.Primary endpoint is to evaluate the association between FDG uptake and clinicopathological characteristics of superficial ESCC.Secondary endpoint is to investigate the efficacy of combination of FDG-PET and ME-NBI for determining the treatment strategy for superficial ESCC.RESULTS A total of 82 lesions in 82 patients were included.FDG-PET showed positive uptake in 29(35.4%)lesions.Univariate analysis showed that uptake of FDG-PET had significant correlations with circumferential extension(P=0.014),pathological depth of tumor invasion(P<0.001),infiltrative growth pattern(P<0.001),histological grade(P=0.002),vascular invasion(P=0.001),and lymphatic invasion(P<0.001).On multivariate analysis,only depth of tumor invasion was independently correlated with FDG-PET/computed tomography visibility(P=0.018).The sensitivity,specificity,positive predictive value(PPV),negative predictive value(NPV),and accuracy of Type B2 in ME-NBI for the invasion depth of T1a muscularis mucosae and T1b upper submucosal layer were 68.4%/79.4%/50.0%/89.3%/76.8%,respectively,and those of Type B3 for the depth of T1b middle and deeper submucosal layers(SM2 and SM3)were 46.7%/100%/100%/89.3%/90.2%,respectively.On the other hand,those of FDGPET for SM2 and SM3 were 93.3%/77.6%/48.2%/98.1%/80.5%,respectively,whereas,if the combination of positive FDG uptake and type B2 and B3 was defined as an indicator for radical esophagectomy or definitive chemoradiotherapy,the sensitivity,specificity,PPV,NPV,and accuracy were 78.3%/91.5%/78.3%/91.5%/87.8%,respectively.CONCLUSION FDG uptake was correlated with the invasion depth of superficial ESCC.Combined use of FDG-PET and ME-NBI,especially with the microvascular findings of Type B2 and B3,is useful to determine whether ER is indicated for the lesion. 关 键 词：^18F-fluorodeoxyglucose positron emission tomography Magnifying endoscopy Narrow band imaging Superficial esophageal cancer Squamous cell carcinoma Treatment strategy
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