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Eosinophilic hepatic necrosis: Magnetic resonance imaging and computed tomography comparison

Authors
 Jeong-Sik Yu  ;  Sang-Wook Yoon  ;  Mi-Suk Park  ;  Jei Hee Lee  ;  Ki Whang Kim 
Citation
 JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY, Vol.29(6) : 765-771, 2005 
Journal Title
 JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY 
ISSN
 0363-8715 
Issue Date
2005
MeSH
Adult ; Aged ; Contrast Media/administration & dosage ; Diagnosis, Differential ; Eosinophilia/complications ; Eosinophilia/diagnosis* ; Female ; Gadolinium DTPA ; Humans ; Image Enhancement/methods ; Iohexol/analogs & derivatives ; Liver/diagnostic imaging* ; Liver/pathology* ; Liver Diseases/complications ; Liver Diseases/diagnosis* ; Liver Diseases/diagnostic imaging ; Liver Neoplasms/diagnosis* ; Magnetic Resonance Imaging/methods* ; Male ; Middle Aged ; Necrosis ; Observer Variation ; Retrospective Studies ; Tomography, Spiral Computed/methods*
Keywords
eosinophil liver ; magnetic resonance liver ; computed tomography
Abstract
OBJECTIVE: To compare the findings of magnetic resonance (MR) imaging with those of computed tomography (CT) of focal liver lesions related to peripheral eosinophilia. METHODS: For 12 patients with peripheral eosinophilia (>7%) examined with hepatic MR imaging and CT, 52 focal hepatic lesions larger than 0.5 cm, including 31 lesions simultaneously found on the 2 imaging modalities, were subjected to a comparative analysis of their imaging features. RESULTS: The total number of lesions distinguished from background liver was 39 (75%) on MR imaging and 44 (85%) on CT scans. On arterial phase images of 10 patients with comparable data, homogeneously hyperintense lesions were demonstrated more frequently (P = 0.006) on MR imaging (16 [50%] of 32 lesions) than on CT scans (4 [13%] of 32 lesions). Only 7 (22%) of the 32 hypoattenuating lesions on portal phase CT were depicted as hypointense lesions on portal phase MR images in 12 patients. On delayed phase images in 8 patients, the number of hyperintense lesions on MR images (9 [56%] of 16) was greater (P = 0.077) than that seen on the CT scans (4 [25%] of 16). CONCLUSIONS: For many focal hepatic lesions related to peripheral eosinophilia, dynamic MR imaging more easily demonstrates lesional enhancement on arterial and delayed phases than CT scans. Because of the higher degree of lesional enhancement of MR imaging compared with CT, the lesion-to-liver contrast may not be sufficient to distinguish the lesion from the background liver, resulting in decreased sensitivity of portal phase dynamic MR imaging.
Full Text
http://ovidsp.ovid.com/ovidweb.cgi?T=JS&CSC=Y&NEWS=N&PAGE=fulltext&AN=00004728-200511000-00011&LSLINK=80&D=ovft
DOI
OAK-2005-05923
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Ki Whang(김기황)
Park, Mi-Suk(박미숙) ORCID logo https://orcid.org/0000-0001-5817-2444
Yu, Jeong Sik(유정식) ORCID logo https://orcid.org/0000-0002-8171-5838
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/151456
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