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Titolo:
Usefulness of diffusion-weighted MRI with echo-planar technique in the evaluation of cellularity in gliomas
Autore:
Sugahara, T; Korogi, Y; Kochi, M; Ikushima, I; Shigematu, Y; Hirai, T; Okuda, T; Liang, LX; Ge, YL; Komohara, Y; Ushio, Y; Takahashi, M;
Indirizzi:
Kumamoto Univ, Sch Med, Dept Radiol, Kumamoto 860, Japan Kumamoto Univ Kumamoto Japan 860 h Med, Dept Radiol, Kumamoto 860, Japan
Titolo Testata:
JMRI-JOURNAL OF MAGNETIC RESONANCE IMAGING
fascicolo: 1, volume: 9, anno: 1999,
pagine: 53 - 60
SICI:
1053-1807(199901)9:1<53:UODMWE>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
CEREBRAL-ISCHEMIA; BRAIN-TUMORS; WATER; DIAGNOSIS; GRADE;
Keywords:
diffusion-weighted MRI; tumor cellularity; T2-weighted images; gliomas; echo-planar technique;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Sugahara, T Kumamoto Univ, Sch Med, Dept Radiol, 1-1-1 Honjo, Kumamoto 8608556, Japan Kumamoto Univ 1-1-1 Honjo Kumamoto Japan 8608556 08556, Japan
Citazione:
T. Sugahara et al., "Usefulness of diffusion-weighted MRI with echo-planar technique in the evaluation of cellularity in gliomas", J MAGN R I, 9(1), 1999, pp. 53-60

Abstract

The purpose of this study was to evaluate the utility of diffusion-weighted magnetic resonance imaging (MRI) with echo-planar imaging (EPI) techniquein depicting the tumor cellularity and grading of gliomas, Twenty consecutive patients (13 men and 7 women, ranging in age from 13 to 69 years) with histologically proven gliomas were examined using a 1.5 T superconducting imager, Tumor cellularity, analyzed with National Institutes of Health Image1.60 software on a Macintosh computer, was compared with the minimum apparent diffusion coefficient (ADC) and the signal intensity on the Ta-weightedimages. The relationship of the minimum ADC to the tumor grade was also evaluated. Tumor cellularity correlated well with the minimum ADC value of the gliomas (p = 0.007), but not with the signal intensity on the T2-weightedimages, The minimum ADC of the high-grade gliomas was significantly higherthan that of the low-grade gliomas, Diffusion-weighted MRI with EPI is a useful technique for assessing the tumor cellularity and grading of gliomas,This information is not obtained with conventional MRI and is useful for the diagnosis and characterization of gliomas, J. Magn. Reson, Imaging 1999;9:53-60, (C) 1999 Wiley-Liss, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/04/20 alle ore 21:50:49