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Higher lesion detection by 3.0T MRI in patient with transient global amnesia

Authors
 Seung-Yeob Lee  ;  Won Joo Kim  ;  Sang Hyun Suh  ;  Seung Hun Oh  ;  Kyung-Yul Lee 
Citation
 YONSEI MEDICAL JOURNAL, Vol.50(2) : 211-214, 2009 
Journal Title
YONSEI MEDICAL JOURNAL
ISSN
 0513-5796 
Issue Date
2009
MeSH
Adult ; Aged ; Aged, 80 and over ; Amnesia, Transient Global/diagnosis* ; Amnesia, Transient Global/pathology ; Female ; Humans ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Retrospective Studies ; Young Adult
Keywords
MRI ; Transient global amnesia ; ischemia
Abstract
PURPOSE: Transient global amnesia (TGA) patients were retrospectively reviewed to determine the usefulness of high-field strength MRI in detecting probable ischemic lesions in TGA.

MATERIALS AND METHODS: We investigated the lesion detection rate in patients with TGA using 1.5T and 3.0T MRI. Acute probable ischemic lesions were defined as regions of high-signal intensity in diffusion weighted image with corresponding low-signal intensity in apparent diffusion coefficient map.

RESULTS: 3.0T MRI showed 11 out of 32 patients with probable ischemic lesions in the hippocampus with mean lesion size of 2.8 +/- 0.6 mm, whereas 1.5T MRI detected no lesion in any of 11 patients. There were no significant differences in clinical characteristics between the groups of 1.5 and 3.0T MRI.

CONCLUSION: High-field strength MRI has a higher detection rate of probable ischemic lesions than low-field strength MRI in patients with TGA.
Files in This Item:
T200901645.pdf Download
DOI
10.3349/ymj.2009.50.2.211
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Won Joo(김원주) ORCID logo https://orcid.org/0000-0002-5850-010X
Suh, Sang Hyun(서상현) ORCID logo https://orcid.org/0000-0002-7098-4901
Lee, Kyung Yul(이경열) ORCID logo https://orcid.org/0000-0001-5585-7739
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/103996
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