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Low-Tube Voltage Computed Tomography During Hepatic Arterial Phase: The Effect of Body Habitus on Image Quality

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dc.contributor.authorPark, Yang Shin-
dc.contributor.authorLee, Chang Hee-
dc.contributor.authorLee, Jongmee-
dc.contributor.authorChoi, Jae Woong-
dc.contributor.authorKim, Kyeong Ah-
dc.contributor.authorPark, Cheol Min-
dc.date.accessioned2021-09-03T06:41:44Z-
dc.date.available2021-09-03T06:41:44Z-
dc.date.created2021-06-16-
dc.date.issued2017-05-
dc.identifier.issn0363-8715-
dc.identifier.urihttps://scholar.korea.ac.kr/handle/2021.sw.korea/83592-
dc.description.abstractPurpose: This study aimed to evaluate the impact of body habitus factors on image quality of low-tube voltage computed tomography (CT) during the hepatic arterial phase. Materials and Methods: Ninety-seven patients (66 men, 31 women; age range, 26-78 years) who underwent clinically indicated liver dynamic CT examination were enrolled in the study. Analysis with 80-kVp CT and intermediate tube current (277-337 mA) was performed in the late hepatic arterial phase using a 320-detector row scanner with adaptive iterative dose reduction 3-dimensional reconstruction. Patient body habitus was measured using body weight (BW), body mass index (BMI), lateral width (LW) of the abdomen, and muscle volume (MV) of the abdominal wall. On hepatic arterial phase, the mean image noise and contrast-to-noise ratio (CNR) for the aorta and liver were assessed. The correlations between body habitus factors and image quality parameters were evaluated. Results: In all patients, MV showed the strongest correlation with image noise, followed by BW and LW (r = 0.684, 0.570, and 0.555, respectively). The BMI showed the fourth strongest correlation with image noise among all body habitus factors (r = 0.377). With respect to CNR of the aorta, MV and BW showed the strongest inverse correlation (r = -0.590 and -0.600, respectively), followed by LW and BMI (r = -0.557 and -0.423, respectively). Regarding the CNR of the liver, MV showed the strongest inverse correlation (r = -0.279), although the correlation efficiency was weak compared with other correlations. Conclusions: Among various body habitus factors, MV showed the strongest association with image noise and CNR in the hepatic arterial phase using 80-kVp CT.-
dc.languageEnglish-
dc.language.isoen-
dc.publisherLIPPINCOTT WILLIAMS & WILKINS-
dc.subjectSTATISTICAL ITERATIVE RECONSTRUCTION-
dc.subjectINITIAL CLINICAL-EXPERIENCE-
dc.subjectHYPERVASCULAR LIVER-TUMORS-
dc.subjectCONTRAST AGENT-
dc.subjectABDOMINAL CT-
dc.subjectTHIN ADULTS-
dc.subjectMASS INDEX-
dc.subjectROW CT-
dc.subjectALGORITHM-
dc.subjectNOISE-
dc.titleLow-Tube Voltage Computed Tomography During Hepatic Arterial Phase: The Effect of Body Habitus on Image Quality-
dc.typeArticle-
dc.contributor.affiliatedAuthorPark, Yang Shin-
dc.contributor.affiliatedAuthorLee, Chang Hee-
dc.contributor.affiliatedAuthorLee, Jongmee-
dc.contributor.affiliatedAuthorChoi, Jae Woong-
dc.identifier.doi10.1097/RCT.0000000000000519-
dc.identifier.scopusid2-s2.0-84996615367-
dc.identifier.wosid000402151900011-
dc.identifier.bibliographicCitationJOURNAL OF COMPUTER ASSISTED TOMOGRAPHY, v.41, no.3, pp.401 - 406-
dc.relation.isPartOfJOURNAL OF COMPUTER ASSISTED TOMOGRAPHY-
dc.citation.titleJOURNAL OF COMPUTER ASSISTED TOMOGRAPHY-
dc.citation.volume41-
dc.citation.number3-
dc.citation.startPage401-
dc.citation.endPage406-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaRadiology, Nuclear Medicine & Medical Imaging-
dc.relation.journalWebOfScienceCategoryRadiology, Nuclear Medicine & Medical Imaging-
dc.subject.keywordPlusSTATISTICAL ITERATIVE RECONSTRUCTION-
dc.subject.keywordPlusINITIAL CLINICAL-EXPERIENCE-
dc.subject.keywordPlusHYPERVASCULAR LIVER-TUMORS-
dc.subject.keywordPlusCONTRAST AGENT-
dc.subject.keywordPlusABDOMINAL CT-
dc.subject.keywordPlusTHIN ADULTS-
dc.subject.keywordPlusMASS INDEX-
dc.subject.keywordPlusROW CT-
dc.subject.keywordPlusALGORITHM-
dc.subject.keywordPlusNOISE-
dc.subject.keywordAuthorlow tube voltage-
dc.subject.keywordAuthorcomputed tomography-
dc.subject.keywordAuthorliver-
dc.subject.keywordAuthorarterial phase-
dc.subject.keywordAuthorimage quality-
dc.subject.keywordAuthorbody size-
dc.subject.keywordAuthorbody mass index-
dc.subject.keywordAuthormuscle volume-
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