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Titolo:
ABDOMINAL DIFFUSION MAPPING WITH USE OF A WHOLE-BODY ECHO-PLANAR SYSTEM
Autore:
MULLER MF; PRASAD P; SIEWERT B; NISSENBAUM MA; RAPTOPOULOS V; EDELMAN RR;
Indirizzi:
HARVARD UNIV,SCH MED,MRI,DEPT RADIOL AN234 BOSTON MA 02215 HARVARD UNIV,SCH MED,MRI,DEPT RADIOL AN234 BOSTON MA 02215 BETH ISRAEL HOSP BOSTON MA 02215
Titolo Testata:
Radiology
fascicolo: 2, volume: 190, anno: 1994,
pagine: 475 - 478
SICI:
0033-8419(1994)190:2<475:ADMWUO>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
INTRAVOXEL INCOHERENT MOTION; PERFUSION;
Keywords:
ABDOMEN, MR; MAGNETIC RESONANCE (MR), DIFFUSION STUDY; MAGNETIC RESONANCE (MR), ECHO PLANAR;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
10
Recensione:
Indirizzi per estratti:
Citazione:
M.F. Muller et al., "ABDOMINAL DIFFUSION MAPPING WITH USE OF A WHOLE-BODY ECHO-PLANAR SYSTEM", Radiology, 190(2), 1994, pp. 475-478

Abstract

PURPOSE: To measure apparent diffusion coefficients (ADCs) of water in liver, spleen, kidney, and muscle. MATERIALS AND METHODS: Ten volunteers (seven women and three men, aged 19-31 years [mean, 24 years]) and nine patients (five women and four men, aged 49-70 years [mean, 62 years]) (liver cyst, n = 3; liver hemangioma, n = 3; liver cirrhosis, n= 2; hepatocellular carcinoma, n = 1; and liver metastasis, n = 1) underwent magnetic resonance (MR) imaging. A stimulated-echo acquisitionmode (STEAM)-type excitation and echo-planar imaging(EPI)readout was used in a 1.5-T echo-planar MR imaging system. RESULTS: ADCs measured in volunteers were liver, 1.39 x 10(-3) mm(2)/sec +/- 0.16; spleen, 0.95 x 10(-3) mm(2)/sec +/- 0.15; muscle, 1.99 x 10(-3) mm(2)/sec +/- 0.16; and kidney, 3.54 x 10(-3) mm(2)/sec +/- 0.47 (mean +/- standard deviation). Distinctive ADC values were found in organs with abnormalities. ADCs in patients with hepatic disease included liver cysts, 3.9-5.3; liver hemangiomas, 2.0-2.8; liver metastases from an islet cell tumor, 1.2; hepatocellular carcinoma, 1.7; and liver cirrhosis, 0.9-1.2 x10(-3) mm(2)/sec. CONCLUSION: In vivo diffusion measurements of abdominal organs obtained with MR imaging may prove helpful in the identification and classification of abdominal disease.

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Documento generato il 05/07/20 alle ore 23:07:47