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Hepatic cavernous hemangiomas: relationship between speed of intratumoral enhancement during dynamic MRI and apparent diffusion coefficient on diffusion-weighted imaging.

DC FieldValueLanguage
dc.contributor.author정재준-
dc.contributor.author김기황-
dc.contributor.author김주희-
dc.contributor.author유정식-
dc.date.accessioned2014-12-19T17:24:16Z-
dc.date.available2014-12-19T17:24:16Z-
dc.date.issued2012-
dc.identifier.issn1229-6929-
dc.identifier.urihttps://ir.ymlib.yonsei.ac.kr/handle/22282913/91344-
dc.description.abstractOBJECTIVE: To investigate the relationships between the apparent diffusion coefficients (ADCs) on diffusion-weighted imaging (DWI) and the speed of contrast-enhancement in hepatic hemangiomas. MATERIALS AND METHODS: Sixty-nine hepatic hemangiomas (≥ 1 cm) were evaluated with DWI, by using multiple b values (b = 50, 400, 800 s/mm(2)), followed by a gadolinium-enhanced dynamic MRI. The lesions were classified into three groups, according to the speed of contrast-enhancement on the portal phase. ADCs were measured on the ADC map automatically, and were calculated by using the two different b values (mADC(50-400) with b values = 50 and 400; mADC(400-800) with b values = 400 and 800 s/mm(2)). RESULTS: The mean ADCs (× 10(-3) mm(2)/s) were significantly higher in the rapid group (1.9 ± 0.44) than in the intermediate (1.7 ± 0.35, p = 0.046) or the slow groups (1.4 ± 0.34, p = 0.002). There were significant differences between the rapid and the slow groups in mADC(50-400) (2.12 vs. 1.48; p = 0.008) and mADC(400-800) (1.68 vs. 1.22, p = 0.010), and between the rapid and the intermediate groups in mADC(50-400) (2.12 vs. 1.79, p = 0.049). Comparing mADC(50-400) with mADC(400-800), there was a significant difference only in the rapid group (p = 0.001). CONCLUSION: Higher ADCs of rapidly-enhancing hemangiomas may be related to richer intralesional vascular perfusion. Also, the restricted diffusion may be attributed to the difference of structural characteristics of hemangioma.-
dc.description.statementOfResponsibilityopen-
dc.relation.isPartOfKorean Journal of Radiology-
dc.rightsCC BY-NC-ND 2.0 KR-
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/2.0/kr/-
dc.subject.MESHAdult-
dc.subject.MESHAged-
dc.subject.MESHContrast Media-
dc.subject.MESHDiffusion Magnetic Resonance Imaging*-
dc.subject.MESHFemale-
dc.subject.MESHGadolinium DTPA-
dc.subject.MESHHemangioma, Cavernous/diagnosis*-
dc.subject.MESHHumans-
dc.subject.MESHImage Enhancement-
dc.subject.MESHLiver Neoplasms/diagnosis*-
dc.subject.MESHMagnetic Resonance Imaging*-
dc.subject.MESHMale-
dc.subject.MESHMiddle Aged-
dc.titleHepatic cavernous hemangiomas: relationship between speed of intratumoral enhancement during dynamic MRI and apparent diffusion coefficient on diffusion-weighted imaging.-
dc.typeArticle-
dc.contributor.collegeCollege of Medicine (의과대학)-
dc.contributor.departmentDept. of Radiology (영상의학)-
dc.contributor.googleauthorSe Jin Nam-
dc.contributor.googleauthorKae Young Park-
dc.contributor.googleauthorJeong-Sik Yu-
dc.contributor.googleauthorJae-Joon Chung-
dc.contributor.googleauthorJoo Hee Kim-
dc.contributor.googleauthorKi Whang Kim-
dc.identifier.doi23118571-
dc.admin.authorfalse-
dc.admin.mappingfalse-
dc.contributor.localIdA00951-
dc.contributor.localIdA03712-
dc.contributor.localIdA00345-
dc.contributor.localIdA02500-
dc.relation.journalcodeJ02884-
dc.identifier.pmid23118571-
dc.subject.keywordDiffusion-weighted MR imaging-
dc.subject.keywordHemangioma-
dc.subject.keywordLiver, MR-
dc.subject.keywordLiver, neoplasms-
dc.contributor.alternativeNameChung, Jae Joon-
dc.contributor.alternativeNameKim, Ki Whang-
dc.contributor.alternativeNameKim, Joo Hee-
dc.contributor.alternativeNameYu, Jeong Sik-
dc.contributor.affiliatedAuthorKim, Joo Hee-
dc.contributor.affiliatedAuthorChung, Jae Joon-
dc.contributor.affiliatedAuthorKim, Ki Whang-
dc.contributor.affiliatedAuthorYu, Jeong Sik-
dc.citation.volume13-
dc.citation.number6-
dc.citation.startPage728-
dc.citation.endPage735-
dc.identifier.bibliographicCitationKorean Journal of Radiology, Vol.13(6) : 728-735, 2012-
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers

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