Feasibility of [[sup.18]F]FDG PET/MRI with Early-Delayed and Extended PET as One-Stop Imaging for Staging and Predicting Metastasis in Rectal Cancer
Background: We aimed to evaluate the diagnostic accuracy of 2-[[sup.18]F]-fluoro-2-deoxy-D-glucose positron emission tomography/magnetic resonance imaging ([[sup.18]F]FDG PET/MRI) for preoperative staging and usefulness of the detection of extramural vascular invasion (EMVI) for predicting metastasi...
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| Veröffentlicht in: | Oncology 2022-04, Vol.100 (4), p.212 |
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| creator | Morikawa, Mitsuhiro Goi, Takanori Seto, Shun Tsujikawa, Tetsuya Sawai, Katsuji Okazawa, Hidehiko Kurebayashi, Hidetaka |
| description | Background: We aimed to evaluate the diagnostic accuracy of 2-[[sup.18]F]-fluoro-2-deoxy-D-glucose positron emission tomography/magnetic resonance imaging ([[sup.18]F]FDG PET/MRI) for preoperative staging and usefulness of the detection of extramural vascular invasion (EMVI) for predicting metastasis in rectal cancer. Methods: Twenty-three patients underwent pretreatment [[sup.18]F]FDG PET/MRI, including early-delayed and extended PET and dedicated pelvic MRI without using anticonvulsant or contrast agents. Seven patients received preoperative treatment and all subsequently underwent surgery. Clinical cancer stages were evaluated using postoperative histopathology as a reference. PET/MR-defined EMVI (pmrEMVI) and pathological (p) TN stages were correlated with disease progression for a maximum of 2 years. Results: Of 16 patients without preoperative treatment, 10 had pT3, 4 tumors, 7 had pN1-3 lymph nodes, and 5 had synchronous metastases (SM; liver, lung, inguinal node). The sensitivity, specificity, and accuracy of PET/MRI were 90%, 67%, and 81% for T staging (T1, 2 vs. T3, 4), and 89%, 100%, and 94% for N staging (N0 vs. N1-3), respectively. Patient-based accuracy for SM staging was 100% (4/4). Of 23 patients, 6 were positive for pmrEMVI and 4 had metachronous metastases or local recurrence (MM; pelvic node, brain, lung, skin) during the follow-up periods. Five of the 6 pmrEMVI-positive patients had SM and/or MM (odds ratio = 37.5). Among pT, pN, and pmrEMVI, pmrEMVI-positivity was the only significant predictor for poorer progression-free survival (p < 0.05). Conclusions: [[sup.18]F]FDG PET/MRI according to our suggested protocol is a one-stop, non-contrast, and valid diagnostic method for rectal cancer staging, and pmrEMVI can be used as an imaging biomarker for predicting metastases. Keywords: Positron emission tomography/magnetic resonance imaging, Rectal cancer, Staging, Extramural vascular invasion, Metastasis |
| doi_str_mv | 10.1159/000522205 |
| format | Article |
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Methods: Twenty-three patients underwent pretreatment [[sup.18]F]FDG PET/MRI, including early-delayed and extended PET and dedicated pelvic MRI without using anticonvulsant or contrast agents. Seven patients received preoperative treatment and all subsequently underwent surgery. Clinical cancer stages were evaluated using postoperative histopathology as a reference. PET/MR-defined EMVI (pmrEMVI) and pathological (p) TN stages were correlated with disease progression for a maximum of 2 years. Results: Of 16 patients without preoperative treatment, 10 had pT3, 4 tumors, 7 had pN1-3 lymph nodes, and 5 had synchronous metastases (SM; liver, lung, inguinal node). The sensitivity, specificity, and accuracy of PET/MRI were 90%, 67%, and 81% for T staging (T1, 2 vs. T3, 4), and 89%, 100%, and 94% for N staging (N0 vs. N1-3), respectively. Patient-based accuracy for SM staging was 100% (4/4). Of 23 patients, 6 were positive for pmrEMVI and 4 had metachronous metastases or local recurrence (MM; pelvic node, brain, lung, skin) during the follow-up periods. Five of the 6 pmrEMVI-positive patients had SM and/or MM (odds ratio = 37.5). Among pT, pN, and pmrEMVI, pmrEMVI-positivity was the only significant predictor for poorer progression-free survival (p < 0.05). Conclusions: [[sup.18]F]FDG PET/MRI according to our suggested protocol is a one-stop, non-contrast, and valid diagnostic method for rectal cancer staging, and pmrEMVI can be used as an imaging biomarker for predicting metastases. Keywords: Positron emission tomography/magnetic resonance imaging, Rectal cancer, Staging, Extramural vascular invasion, Metastasis</description><identifier>ISSN: 0030-2414</identifier><identifier>DOI: 10.1159/000522205</identifier><language>eng</language><publisher>S. Karger AG</publisher><subject>Cancer ; Colorectal cancer ; Development and progression ; Diagnosis ; Evaluation ; Metastasis ; Methods ; Oncology, Experimental ; PET imaging ; Risk factors ; Tumor staging</subject><ispartof>Oncology, 2022-04, Vol.100 (4), p.212</ispartof><rights>COPYRIGHT 2022 S. Karger AG</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Morikawa, Mitsuhiro</creatorcontrib><creatorcontrib>Goi, Takanori</creatorcontrib><creatorcontrib>Seto, Shun</creatorcontrib><creatorcontrib>Tsujikawa, Tetsuya</creatorcontrib><creatorcontrib>Sawai, Katsuji</creatorcontrib><creatorcontrib>Okazawa, Hidehiko</creatorcontrib><creatorcontrib>Kurebayashi, Hidetaka</creatorcontrib><title>Feasibility of [[sup.18]F]FDG PET/MRI with Early-Delayed and Extended PET as One-Stop Imaging for Staging and Predicting Metastasis in Rectal Cancer</title><title>Oncology</title><description>Background: We aimed to evaluate the diagnostic accuracy of 2-[[sup.18]F]-fluoro-2-deoxy-D-glucose positron emission tomography/magnetic resonance imaging ([[sup.18]F]FDG PET/MRI) for preoperative staging and usefulness of the detection of extramural vascular invasion (EMVI) for predicting metastasis in rectal cancer. Methods: Twenty-three patients underwent pretreatment [[sup.18]F]FDG PET/MRI, including early-delayed and extended PET and dedicated pelvic MRI without using anticonvulsant or contrast agents. Seven patients received preoperative treatment and all subsequently underwent surgery. Clinical cancer stages were evaluated using postoperative histopathology as a reference. PET/MR-defined EMVI (pmrEMVI) and pathological (p) TN stages were correlated with disease progression for a maximum of 2 years. Results: Of 16 patients without preoperative treatment, 10 had pT3, 4 tumors, 7 had pN1-3 lymph nodes, and 5 had synchronous metastases (SM; liver, lung, inguinal node). The sensitivity, specificity, and accuracy of PET/MRI were 90%, 67%, and 81% for T staging (T1, 2 vs. T3, 4), and 89%, 100%, and 94% for N staging (N0 vs. N1-3), respectively. Patient-based accuracy for SM staging was 100% (4/4). Of 23 patients, 6 were positive for pmrEMVI and 4 had metachronous metastases or local recurrence (MM; pelvic node, brain, lung, skin) during the follow-up periods. Five of the 6 pmrEMVI-positive patients had SM and/or MM (odds ratio = 37.5). Among pT, pN, and pmrEMVI, pmrEMVI-positivity was the only significant predictor for poorer progression-free survival (p < 0.05). Conclusions: [[sup.18]F]FDG PET/MRI according to our suggested protocol is a one-stop, non-contrast, and valid diagnostic method for rectal cancer staging, and pmrEMVI can be used as an imaging biomarker for predicting metastases. Keywords: Positron emission tomography/magnetic resonance imaging, Rectal cancer, Staging, Extramural vascular invasion, Metastasis</description><subject>Cancer</subject><subject>Colorectal cancer</subject><subject>Development and progression</subject><subject>Diagnosis</subject><subject>Evaluation</subject><subject>Metastasis</subject><subject>Methods</subject><subject>Oncology, Experimental</subject><subject>PET imaging</subject><subject>Risk factors</subject><subject>Tumor staging</subject><issn>0030-2414</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNpNjE1rwkAQhnNoodb20H-wUOgturtx83EUTaygKOpNRCab2bglbiS70vo_-oMbsQdhYObhfeb1vDdGe4yJpE8pFZxzKh68DqUB9fmADZ68Z2u_2igSg7Dj_WYIVue60u5CakW2W3s-9Vi8y3bZeEKW6aY_X03Jt3YHkkJTXfwxVnDBgoApSPrj0BQttB4BSxYG_bWrT2R6hFKbkqi6IWt3u68PywYLLd0V5-jAtqMt0YasUDqoyAiMxObFe1RQWXz9311vk6Wb0ac_W0ymo-HML0US-3mghApjFsqiCBOhFPCYURmyKIpzzgqOEEoaSWRMBZEIQpQ8BqSoEITMVdD13m-1JVS410bVrgF51FbuhxFNEsrDOG6tjzvrgFC5g62rs9O1sffiHw5FcI4</recordid><startdate>20220401</startdate><enddate>20220401</enddate><creator>Morikawa, Mitsuhiro</creator><creator>Goi, Takanori</creator><creator>Seto, Shun</creator><creator>Tsujikawa, Tetsuya</creator><creator>Sawai, Katsuji</creator><creator>Okazawa, Hidehiko</creator><creator>Kurebayashi, Hidetaka</creator><general>S. Karger AG</general><scope/></search><sort><creationdate>20220401</creationdate><title>Feasibility of [[sup.18]F]FDG PET/MRI with Early-Delayed and Extended PET as One-Stop Imaging for Staging and Predicting Metastasis in Rectal Cancer</title><author>Morikawa, Mitsuhiro ; Goi, Takanori ; Seto, Shun ; Tsujikawa, Tetsuya ; Sawai, Katsuji ; Okazawa, Hidehiko ; Kurebayashi, Hidetaka</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g598-b3f5f6816cdd695ffa2810c61778b21d2ea6c07ce11f37536ec28ae0efea5cbf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Cancer</topic><topic>Colorectal cancer</topic><topic>Development and progression</topic><topic>Diagnosis</topic><topic>Evaluation</topic><topic>Metastasis</topic><topic>Methods</topic><topic>Oncology, Experimental</topic><topic>PET imaging</topic><topic>Risk factors</topic><topic>Tumor staging</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Morikawa, Mitsuhiro</creatorcontrib><creatorcontrib>Goi, Takanori</creatorcontrib><creatorcontrib>Seto, Shun</creatorcontrib><creatorcontrib>Tsujikawa, Tetsuya</creatorcontrib><creatorcontrib>Sawai, Katsuji</creatorcontrib><creatorcontrib>Okazawa, Hidehiko</creatorcontrib><creatorcontrib>Kurebayashi, Hidetaka</creatorcontrib><jtitle>Oncology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Morikawa, Mitsuhiro</au><au>Goi, Takanori</au><au>Seto, Shun</au><au>Tsujikawa, Tetsuya</au><au>Sawai, Katsuji</au><au>Okazawa, Hidehiko</au><au>Kurebayashi, Hidetaka</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Feasibility of [[sup.18]F]FDG PET/MRI with Early-Delayed and Extended PET as One-Stop Imaging for Staging and Predicting Metastasis in Rectal Cancer</atitle><jtitle>Oncology</jtitle><date>2022-04-01</date><risdate>2022</risdate><volume>100</volume><issue>4</issue><spage>212</spage><pages>212-</pages><issn>0030-2414</issn><abstract>Background: We aimed to evaluate the diagnostic accuracy of 2-[[sup.18]F]-fluoro-2-deoxy-D-glucose positron emission tomography/magnetic resonance imaging ([[sup.18]F]FDG PET/MRI) for preoperative staging and usefulness of the detection of extramural vascular invasion (EMVI) for predicting metastasis in rectal cancer. Methods: Twenty-three patients underwent pretreatment [[sup.18]F]FDG PET/MRI, including early-delayed and extended PET and dedicated pelvic MRI without using anticonvulsant or contrast agents. Seven patients received preoperative treatment and all subsequently underwent surgery. Clinical cancer stages were evaluated using postoperative histopathology as a reference. PET/MR-defined EMVI (pmrEMVI) and pathological (p) TN stages were correlated with disease progression for a maximum of 2 years. Results: Of 16 patients without preoperative treatment, 10 had pT3, 4 tumors, 7 had pN1-3 lymph nodes, and 5 had synchronous metastases (SM; liver, lung, inguinal node). The sensitivity, specificity, and accuracy of PET/MRI were 90%, 67%, and 81% for T staging (T1, 2 vs. T3, 4), and 89%, 100%, and 94% for N staging (N0 vs. N1-3), respectively. Patient-based accuracy for SM staging was 100% (4/4). Of 23 patients, 6 were positive for pmrEMVI and 4 had metachronous metastases or local recurrence (MM; pelvic node, brain, lung, skin) during the follow-up periods. Five of the 6 pmrEMVI-positive patients had SM and/or MM (odds ratio = 37.5). Among pT, pN, and pmrEMVI, pmrEMVI-positivity was the only significant predictor for poorer progression-free survival (p < 0.05). Conclusions: [[sup.18]F]FDG PET/MRI according to our suggested protocol is a one-stop, non-contrast, and valid diagnostic method for rectal cancer staging, and pmrEMVI can be used as an imaging biomarker for predicting metastases. Keywords: Positron emission tomography/magnetic resonance imaging, Rectal cancer, Staging, Extramural vascular invasion, Metastasis</abstract><pub>S. Karger AG</pub><doi>10.1159/000522205</doi></addata></record> |
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| subjects | Cancer Colorectal cancer Development and progression Diagnosis Evaluation Metastasis Methods Oncology, Experimental PET imaging Risk factors Tumor staging |
| title | Feasibility of [[sup.18]F]FDG PET/MRI with Early-Delayed and Extended PET as One-Stop Imaging for Staging and Predicting Metastasis in Rectal Cancer |
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