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Titolo:
Measurement of the apparent diffusion coefficient in diffuse renal diseaseby diffusion-weighted echo-planar MR imaging
Autore:
Namimoto, T; Yamashita, Y; Mitsuzaki, K; Nakayama, Y; Tang, Y; Takahashi, M;
Indirizzi:
Kumamoto Univ, Dept Radiol, Sch Med, Kumamoto 8608556, Japan Kumamoto Univ Kumamoto Japan 8608556 l, Sch Med, Kumamoto 8608556, Japan
Titolo Testata:
JMRI-JOURNAL OF MAGNETIC RESONANCE IMAGING
fascicolo: 6, volume: 9, anno: 1999,
pagine: 832 - 837
SICI:
1053-1807(199906)9:6<832:MOTADC>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
INTRAVOXEL INCOHERENT MOTION; KIDNEY;
Keywords:
kidney, function; kidney, MR; magnetic resonance (MR), diffusion study;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Namimoto, T Kumamoto Univ, Dept Radiol, Sch Med, 1-1-1 Honjo, Kumamoto 8608556, Japan Kumamoto Univ 1-1-1 Honjo Kumamoto Japan 8608556 08556, Japan
Citazione:
T. Namimoto et al., "Measurement of the apparent diffusion coefficient in diffuse renal diseaseby diffusion-weighted echo-planar MR imaging", J MAGN R I, 9(6), 1999, pp. 832-837

Abstract

The purpose of this study was to determine the relationship between the apparent diffusion coefficient (ADC) and diffuse renal disease by diffusion-weighted echolanar magnetic resonance (MR) imaging [EPI], Thirty-four patients were examined with diffusion-weighted EPI, The average ADC values were 2.55 x 10(-3) mm(2)/sec for the cortex and 2.84 x 10(-3) mm(2)/sec for the medulla in the normal kidneys. The ADC values in both the cortex and medullain chronic renal failure [CRF] kidneys and in acute renal failure [ARF] kidneys were significantly lower than those of the normal kidneys. In renal artery stenosis kidneys, the ADC values in the cortex were significantly lower than those of the normal and the contralateral kidneys, In the cortex, ADC values were above 1.8 x 10-3 mm(2)/sec in all 32 normal kidneys, rangingfrom 1.6 to 2.0 x 10(-3) mm(2)/sec in all 8 ARF kidneys, and below 1.5 x 10-3 mm(2)/sec in 14 of 15 CRF kidneys. In the medulla, there was considerable overlap in the ADC values of the normal and diseased kidneys. There was a linear correlation between ADC value and sCr level in the cortex (r = 0.75) and a weak linear correlation in the medulla (r = 0,60), Our results show that diffusion-weighted MR imaging may be useful to identify renal dysfunction, (C) 1999 Wiley-Liss, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/09/20 alle ore 13:44:24