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Combined use of susceptibility weighted magnetic resonance imaging sequences and dynamic susceptibility contrast perfusion weighted imaging to improve the accuracy of the differential diagnosis of recurrence and radionecrosis in high-grade glioma patients

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dc.contributor.authorTae-Hyung Kim-
dc.contributor.authorTae Jin Yun-
dc.contributor.authorChul-Kee Park-
dc.contributor.authorTae Min Kim-
dc.contributor.authorJi-Hoon Kim-
dc.contributor.authorChul-Ho Sohn-
dc.contributor.authorJae Kyung Won-
dc.contributor.authorSung-Hye Park-
dc.contributor.authorIl Han Kim-
dc.contributor.authorSeung Hong Choi-
dc.date.available2017-05-19T01:13:53Z-
dc.date.created2017-04-05-
dc.date.issued2017-03-
dc.identifier.issn1949-2553-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/3512-
dc.description.abstractPurpose was to assess predictive power for overall survival (OS) and diagnostic performance of combination of susceptibility-weighted MRI sequences (SWMRI) and dynamic susceptibility contrast (DSC) perfusion-weighted imaging (PWI) for differentiation of recurrence and radionecrosis in high-grade glioma (HGG). We enrolled 51 patients who underwent radiation therapy or gamma knife surgery followed by resection for HGG and who developed new measurable enhancement more than six months after complete response. The lesions were confirmed as recurrence (n = 32) or radionecrosis (n = 19). The mean and each percentile value from cumulative histograms of normalized CBV (nCBV) and proportion of dark signal intensity on SWMRI (proSWMRI, %) within enhancement were compared. Multivariate regression was performed for the best differentiator. The cutoff value of best predictor from ROC analysis was evaluated. OS was determined with Kaplan-Meier method and log-rank test. Recurrence showed significantly lower proSWMRI and higher mean nCBV and 90th percentile nCBV (nCBV90) than radionecrosis. Regression analysis revealed both nCBV90 and proSWMRI were independent differentiators. Combination of nCBV90 and proSWMRI achieved 71.9% sensitivity (23/32), 100% specificity (19/19) and 82.3% accuracy (42/51) using best cut-off values (nCBV90 > 2.07 and proSWMRI≤15.76%) from ROC analysis. In subgroup analysis, radionecrosis with nCBV > 2.07 (n = 5) showed obvious hemorrhage (proSWMRI > 32.9%). Patients with nCBV90 > 2.07 and proSWMRI≤15.76% had significantly shorter OS. In conclusion, compared with DSC PWI alone , combination of SWMRI and DSC PWI have potential to be prognosticator for OS and lower false positive rate in differentiation of recurrence and radionecrosis in HGG who develop new measurable enhancement more than six months after complete response. Copyright ⓒ 2017 Impact Journals Impact Journals is a rigistered trademark of Impact Journals,LLC-
dc.description.uri1-
dc.language영어-
dc.publisherIMPACT JOURNALS LLC-
dc.subjectmagnetic resonance imaging-
dc.subjectradionecrosis, recurrence-
dc.subjectsusceptibility-weighted magnetic resonance imaging sequences-
dc.subjectdynamic susceptibility contrast perfusion-weighted imaging-
dc.titleCombined use of susceptibility weighted magnetic resonance imaging sequences and dynamic susceptibility contrast perfusion weighted imaging to improve the accuracy of the differential diagnosis of recurrence and radionecrosis in high-grade glioma patients-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000396879200136-
dc.identifier.scopusid2-s2.0-85015738169-
dc.identifier.rimsid59121ko
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorSeung Hong Choi-
dc.identifier.doi10.18632/oncotarget.13050-
dc.identifier.bibliographicCitationONCOTARGET, v.8, no.12, pp.20340 - 20353-
dc.citation.titleONCOTARGET-
dc.citation.volume8-
dc.citation.number12-
dc.citation.startPage20340-
dc.citation.endPage20353-
dc.date.scptcdate2018-10-01-
dc.description.wostc1-
dc.description.scptc1-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordPlusCENTRAL-NERVOUS-SYSTEM-
dc.subject.keywordPlusHEMORRHAGIC HYPOINTENSE FOCI-
dc.subject.keywordPlusBLOOD-VOLUME MEASUREMENTS-
dc.subject.keywordPlusRADIATION NECROSIS-
dc.subject.keywordPlusHISTOGRAM ANALYSIS-
dc.subject.keywordPlusTUMOR GRADE-
dc.subject.keywordPlusBRAIN-
dc.subject.keywordPlusLESIONS-
dc.subject.keywordPlusINJURY-
dc.subject.keywordPlusGLIOBLASTOMA-
dc.subject.keywordAuthormagnetic resonance imaging-
dc.subject.keywordAuthorradionecrosis-
dc.subject.keywordAuthorrecurrence-
dc.subject.keywordAuthorsusceptibility-weighted magnetic resonance imaging sequences-
dc.subject.keywordAuthordynamic susceptibility contrast perfusion-weighted imaging-
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
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