CHARACTERISTICS OF MAGNETIC-RESONANCE SEQUENCES USED FOR IMAGING SILICONE GEL, SALINE, AND GEL-SALINE IMPLANTS AT LOW-FIELD STRENGTHS

被引:7
作者
FRANKEL, S
OCCHIPINTI, K
KAUFMAN, L
KRAMER, D
CARLSON, J
MINEYEV, M
FRIEDENTHAL, R
机构
[1] UNIV CALIF SAN FRANCISCO,DEPT RADIOL,SAN FRANCISCO,CA
[2] UNIV CALIF SAN FRANCISCO,RADIOL IMAGING LAB,SAN FRANCISCO,CA
[3] TOSHIBA AMER MRI INC,SAN FRANCISCO,CA
关键词
LOW-FIELD MAGNETIC RESONANCE IMAGING; SILICONE GEL IMPLANTS;
D O I
10.1097/00004424-199408000-00009
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
RATIONALE AND OBJECTIVES. Low-field magnetic resonance imaging (MRI) evaluation of breast implants is described, with emphasis on the capabilities provided by different imaging sequences. METHODS. Open architecture MR images using a .064-T permanent magnet and three-dimensional Fourier transform and inversion recovery sequences were obtained. A breast coil was designed and built for this project. Symptomatic and asymptomatic patients with silicone, saline-silicone and saline implants, and phantoms were part of this study. Phase images mere used to differentiate protons in silicone, water, and fat. RESULTS AND CONCLUSIONS, Low-field MRI permitted differentiation of silicone, water, and fat. Implant anatomy and surrounding pathology could be imaged and identified.
引用
收藏
页码:781 / 786
页数:6
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