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Mangafodipir trisodium 조영 후 간 MR 영상에서 전이성 간암의 진단을 위해 지연기 영상은 꼭 필요한가? : 원발성 간세포암과 비교

Other Titles
 Are the Delay Images Necessary to Evaluate the Liver Metastatic Lesions on Mangafodipir Trisodium Enhanced Liver MRI?: Comparison with Hepatocellular Carcinomas 
Authors
 정재준  ;  양희철  ;  김기황  ;  유형식  ;  이종태  ;  김명진 
Citation
 Journal of the Korean Radiologist Society (대한방사선의학회지), Vol.51(3) : 299-305, 2004 
Journal Title
 Journal of the Korean Radiologist Society (대한방사선의학회지) 
ISSN
 1738-2637 
Issue Date
2004
Keywords
Liver, neoplasms ; Liver, MR ; Mangnetic resonance (MR) ; Magnetic resonance (MR), contrast enhancement
Abstract
Purpose: To assess whether ring enhancements of liver metastases on Mn-DPDP enhanced, early MR images were well visualized on delayed images, as compared with those of hepatocellular carcinomas (HCC), and to investigate the detection accuracy and conspicuity of each tumor. Materials and Methods: Twenty patients with liver metastases and 15 with HCC were studied by Mn-DPDP enhanced, T1-weighted MR images. Peripheral ring enhancement and conspicuity were investigated. Differences in detection accuracy and frequency of ring enhancement in liver metastases and HCC were assessed. Results: In liver metastases (n=69), 44 cases (63.8%) without ring enhancement and 25 (36.2%) with were noted on early images. Sixteen cases (23.2%) without ring enhancement, 38 (55.1%) with ring enhancement similar to the early images, and 15 (21.7%) with prominent ring enhancement were noted on delayed images. In HCC (n=37), 36 cases (97.3%) without ring enhancement and 1 case (2.7%) with were noted on early images. There was no difference of detection accuracy in liver metastases or HCC between the 2 readings. Ring enhancement and conspicuity of each tumor were superior on delayed images. Ring enhancement in liver metastases was better seen on delayed images. Conclusion: Ring enhancement in liver metastases was well presented on Mn-DPDP enhanced, delayed MR images, which was useful to differentiate liver metastases from HCC.
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Ki Whang(김기황)
Kim, Myeong Jin(김명진) ORCID logo https://orcid.org/0000-0001-7949-5402
Yang, Hee Chul(양희철)
Yoo, Hyung Sik(유형식)
Lee, Jong Tae(이종태)
Chung, Jae Joon(정재준) ORCID logo https://orcid.org/0000-0002-7447-1193
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/112693
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