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Titolo:
Characterization of trabecular bone by dipolar demagnetizing field MRI
Autore:
Capuani, S; Curzi, F; Alessandri, FM; Maraviglia, B; Bifone, A;
Indirizzi:
Univ La Sapienza, Dept Phys, UdR Roma 1, INFM, I-00185 Rome, Italy Univ LaSapienza Rome Italy I-00185 dR Roma 1, INFM, I-00185 Rome, Italy Univ La Sapienza, Dipartimento Fis, I-00185 Rome, Italy Univ La Sapienza Rome Italy I-00185 ipartimento Fis, I-00185 Rome, Italy Inst Canc Res, CRC, Clin Magnet Resonance Res Grp, Sutton, Surrey, EnglandInst Canc Res Sutton Surrey England nce Res Grp, Sutton, Surrey, England
Titolo Testata:
MAGNETIC RESONANCE IN MEDICINE
fascicolo: 4, volume: 46, anno: 2001,
pagine: 683 - 689
SICI:
0740-3194(200110)46:4<683:COTBBD>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
NUCLEAR-MAGNETIC-RESONANCE; MULTIPLE SPIN ECHOES; QUANTUM COHERENCES; SOLUTION NMR; MICROSTRUCTURE; INTERFEROMETRY; SUSCEPTIBILITY; ARCHITECTURE; FRACTURES; LIQUIDS;
Keywords:
multiple spin-echo (MSE); trabecular bone; bone marrow; intertrabecular space; diffusion coefficient;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
28
Recensione:
Indirizzi per estratti:
Indirizzo: Maraviglia, B Univ La Sapienza, Dept Phys, UdR Roma 1, INFM, Piazzale AldoMoro 2, I-00185 Rome, Italy Univ La Sapienza Piazzale Aldo Moro 2 Rome Italy I-00185 ly
Citazione:
S. Capuani et al., "Characterization of trabecular bone by dipolar demagnetizing field MRI", MAGN RES M, 46(4), 2001, pp. 683-689

Abstract

A multiple spin-echo (MSE) sequence has been applied for the first time tostudy trabecular bone ex vivo. The second echo generated by the demagnetizing field presents discrete drops in signal intensity for certain values ofthe pitch of the magnetization helix created by the correlation gradient. These dips may reflect characteristic pore sizes in the trabecular bone specimens. This hypothesis is supported by similar experiments performed on a phantom with uniform pore size distribution. Trabecular bone images weighted in the MSE contrast mechanism are reported. (C) 2001 Wiley-Liss, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/12/20 alle ore 22:09:48