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Titolo:
Magnetic susceptibility quantification for arbitrarily shaped objects in inhomogeneous fields
Autore:
Li, L;
Indirizzi:
Univ Penn, Sch Med, Metab Magnet Resonance Res & Comp Ctr, Stellar Chance Labs 6100,Dept Radiol, Philadelphia, PA 19104 USA Univ Penn Philadelphia PA USA 19104 pt Radiol, Philadelphia, PA 19104 USA
Titolo Testata:
MAGNETIC RESONANCE IN MEDICINE
fascicolo: 5, volume: 46, anno: 2001,
pagine: 907 - 916
SICI:
0740-3194(200111)46:5<907:MSQFAS>2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Soggetto:
BRAIN IRON; BLOOD-OXYGENATION; RESONANCE; MRI; NMR; RELAXATION; SHIFTS; IMAGES; VOLUME; BONE;
Keywords:
magnetic susceptibility measurement; mean value property; SMV; MRI phase map; inhomogeneous field;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
36
Recensione:
Indirizzi per estratti:
Indirizzo: Li, L Univ Penn, Sch Med, Metab Magnet Resonance Res & Comp Ctr, Stellar Chance Labs 6100,Dept Radiol, B1, Philadelphia, PA 19104 USA Univ Penn B1 Philadelphia PA USA 19104 1, Philadelphia, PA 19104 USA
Citazione:
L. Li, "Magnetic susceptibility quantification for arbitrarily shaped objects in inhomogeneous fields", MAGN RES M, 46(5), 2001, pp. 907-916

Abstract

Magnetic susceptibility measurement has wide-ranging applications in MR technical development and medical applications. A general susceptibility quantitation method for objects of arbitrary shapes in inhomogeneous magnetic fields is presented in this study. Based on the mean value properties of magnetic fields, the polarizing magnetic field at the location of interest inside an object can be exactly obtained in situ from the field values on a spherical surface enclosing the object. With numerical computation of the self-demagnetizing field and correction of contact shifts, magnetic susceptibilities were quantitatively measured for CuSO4 phantoms based on their MR gradient echo phase maps. (C) 2001 Wiley-Liss, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/07/20 alle ore 18:32:18