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Follow-up CT evaluation of the mural changes in active Takayasu arteritis

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dc.contributor.authorKim, Sang Young-
dc.contributor.authorPark, Jae Hyung-
dc.contributor.authorChung, Jin Wook-
dc.contributor.authorKim, Hyo-Cheol-
dc.contributor.authorLee, Whal-
dc.contributor.authorSo, Young Ho-
dc.contributor.authorJae, Hwan Jun-
dc.date.accessioned2009-10-17T01:12:16Z-
dc.date.available2009-10-17T01:12:16Z-
dc.date.issued2007-
dc.identifier.citationKorean J Radiol 2007;8:286-294en
dc.identifier.issn1229-6929 (Print)-
dc.identifier.urihttp://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17673839-
dc.identifier.urihttps://hdl.handle.net/10371/10478-
dc.description.abstractOBJECTIVE: We wanted to evaluate the mural changes by CT on the follow-up examination of patients with active Takayasu arteritis. MATERIALS AND METHODS: The study included 18 patients, (4 males and 14 females), with active Takayasu arteritis. A total of 44 CT examinations were done during the follow-up period (mean: 55.6 months). At the time of the last follow-up CT, the disease, on the basis of the erythrocyte sedimentation rate (ESR), was found to be inactive in five patients and the disease was active and persistent in 13 patients. The thickness and CT attenuation of the aortic wall on the precontrast, arterial and venous phases were measured on the initial and the follow-up CT examinations. The ratio of the mural attenuation over that of the back muscle on the initial CT was compared with the ratio found on the follow-up CT. RESULTS: The initial CT findings included high density and calcifications of the aortic wall in the precontrast images and a thickened wall with enhancements in the arterial and the venous phases. A low-attenuation ring was demonstrated in the venous phase in 15 patients (83%). On the follow-up evaluation, the mean mural thickness decreased significantly from 4.1 mm to 2.4 mm. The mean mural attenuation ratio in the venous phase decreased significantly from 1.9 to 1.3 (p = 0.001). The low attenuation ring was identified in seven patients (39%) who had only with active, persistent Takayasu arteritis. CONCLUSION: The mural changes demonstrated by the follow-up CT evaluations for the patients with active Takayasu arteritis included a decrease of the mural thickness and enhancement, disappearance of the low-attenuation ring on the venous phase, and an increase of the mural attenuation and calcification on the precontrast phase.en
dc.language.isoenen
dc.publisherThe Korean Radiological Societyen
dc.subjectAdolescenten
dc.subjectAdulten
dc.subject*Aortographyen
dc.subjectBlood Sedimentationen
dc.subjectChilden
dc.subjectContrast Media/administration & dosageen
dc.subjectFemaleen
dc.subjectFollow-Up Studiesen
dc.subjectHumansen
dc.subjectIohexol/administration & dosage/analogs & derivativesen
dc.subjectMaleen
dc.subjectMiddle Ageden
dc.subjectPulmonary Artery/radiographyen
dc.subjectRetrospective Studiesen
dc.subjectTakayasu Arteritis/*radiographyen
dc.subjectTomography, X-Ray Computeden
dc.titleFollow-up CT evaluation of the mural changes in active Takayasu arteritisen
dc.typeArticleen
dc.contributor.AlternativeAuthor김상영-
dc.contributor.AlternativeAuthor박재형-
dc.contributor.AlternativeAuthor정진욱-
dc.contributor.AlternativeAuthor김효철-
dc.contributor.AlternativeAuthor이활-
dc.contributor.AlternativeAuthor소영호-
dc.contributor.AlternativeAuthor재환준-
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Radiation Applied Life Science (대학원 협동과정 방사선응용생명과학전공)Journal Papers (저널논문_방사선응용생명과학전공)
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