title: [Improved visualization of long-axis black-blood imaging of the carotid arteries using phase sensitive inversion recovery combined with 3D IR-T₁TFE].
abstract: The purpose of this study was to improve the visualization of long-axis black-blood imaging of the carotid arteries. We experimented on phantom and in-vivo study of 3 dimension (3D) inversion recovery T(1) turbo field echo combined with phase sensitive inversion recovery (PSIR-3D IR-T(1)TFE) at 3.0 Tesla. As a result, the contrast has been improved by calculated images of PSIR-3D IR-T(1)TFE set to inversion time (TI) 350 ms that is shorter than null point of blood. This displays that the contrast between blood and tissues can be improved when the longitudinal magnetization of blood is a negative. Therefore, the visualization of long-axis black-blood imaging of the carotid arteries has been improved by the calculated images of PSIR-3D IR-T(1)TFE set to TI that is shorter than null point of blood.
authors.affiliation: Department of Radiology, Tokai University Hospital.
authors.forename: Tomohiko
authors.initials: T
authors.lastname: Horie
authors.forename: Mami
authors.initials: M
authors.lastname: Kawakata
authors.forename: Nao
authors.initials: N
authors.lastname: Kajihara
authors.forename: Hayato
authors.initials: H
authors.lastname: Takano
authors.forename: Masatoshi
authors.initials: M
authors.lastname: Honda
authors.forename: Isao
authors.initials: I
authors.lastname: Muro
authors.forename: Tetsuo
authors.initials: T
authors.lastname: Ogino
mesh_terms: D000328:Adult; D001769:Blood; D002339:Carotid Arteries / Q000033:anatomy & histology*; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods*; D019047:Phantoms, Imaging