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소간혈관종의 조영증강 양상 : 다중시기 나선식 전산화단층촬영과 역동적 자기공명영상 소견

Other Titles
 Enhancement Pattern of Small Hepatic Hemangioma: Findings on Multiphase Spiral CT and Dynamic MRI 
Authors
 최병인  ;  이승구  ;  김명진  ;  정재준  ;  유형식  ;  이종태 
Citation
 Journal of the Korean Radiologist Society (대한방사선의학회지), Vol.40(2) : 293-297, 1999 
Journal Title
 Journal of the Korean Radiologist Society (대한방사선의학회지) 
ISSN
 0301-2867 
Issue Date
1999
Keywords
Liver neoplasms, MR ; Computed tomography(CT), helical
Abstract
PURPOSE: To compare the enhancement characteristics of small hemangiomas seen on multiphase spiral CT anddynamic MR imaging MATERIALS AND METHODS: Thirteen patients with 20 hepatic hemangiomas less than 25mm indiameter underwent both multiphase spiral CT and dynamic MR imaging. All lesions were assigned to one of threeclassified into 3 categories according to the enhancement pattern seen on multiphase spiral CT : typical delayedpooling, atypical early enhancement, or continuous low attenuation. The enhancement patterns seen on spiral CT andon dynamic MRI were correlated. RESULTS: On CT scans, ten lesions (50%) showed delayed pooling. Six(30%) showedearly arterial enhancement and four(20%) showed continuous low attenuation. On delayed-phase MRI, all lesionsshowed delayed high signal intensity compared to adjacent liver parenchyma. Four of six lesions with earlyenhancement on CT showed peripheral globular enhancement on early arterial-phase MRI. CONCLUSION: On multiphasespiral CT scans, small hemangiomas can show variable atypical enhancement features. In this situation,contrast-enhanced dynamic MRI is helpful for the diagnosis of hemangiomas.
Files in This Item:
T199903443.pdf Download
DOI
10.3348/jkrs.1999.40.2.293
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Chung, Jae Joon(정재준) ORCID logo https://orcid.org/0000-0002-7447-1193
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/172946
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