DIFFERENTIATION OF SILICONE GEL FROM WATER AND FAT IN MR PHASE IMAGING OF PROTONS AT 0.064-T

被引:8
作者
DERBY, KA
FRANKEL, SD
KAUFMAN, L
KRAMER, DM
CARLSON, JW
MINEYEV, MI
OCCHIPINTI, KA
FRIEDENTHAL, R
机构
[1] UNIV CALIF SAN FRANCISCO,RADIOL IMAGING LAB,S SAN FRANCISCO,CA 94080
[2] UNIV CALIF SAN FRANCISCO,DEPT RADIOL,SAN FRANCISCO,CA 94143
关键词
BREAST; MR; PROSTHESES; SILICONE;
D O I
10.1148/radiology.189.2.8210399
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
The authors present a method of identifying silicone at magnetic resonance (MR) imaging based on its chemical shift. The method relies on phase images reconstructed from a gradient-recalled-echo sequence that has an echo time chosen to maximize the phase offsets between water, fat, and silicone. Results from studies at 0.064 T of both phantoms and human subjects are presented. This technique was useful in identifying extracapsular silicone and may be applicable at other field strengths.
引用
收藏
页码:617 / 620
页数:4
相关论文
共 8 条
[1]   NMR CHEMICAL-SHIFT IMAGING IN 3 DIMENSIONS [J].
BROWN, TR ;
KINCAID, BM ;
UGURBIL, K .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES, 1982, 79 (11) :3523-3526
[2]   A TECHNIQUE FOR ASSESSMENT OF BONE-MARROW COMPOSITION USING MAGNETIC-RESONANCE PHASE INTERFERENCE AT LOW FIELD [J].
DERBY, K ;
KRAMER, DM ;
KAUFMAN, L .
MAGNETIC RESONANCE IN MEDICINE, 1993, 29 (04) :465-469
[3]   SIMPLE PROTON SPECTROSCOPIC IMAGING [J].
DIXON, WT .
RADIOLOGY, 1984, 153 (01) :189-194
[4]   SILICONE BREAST IMPLANTS INVIVO - MR IMAGING [J].
GORCZYCA, DP ;
SINHA, S ;
AHN, CY ;
DEBRUHL, ND ;
HAYES, MK ;
GAUSCHE, VR ;
SHAW, WW ;
BASSETT, LW .
RADIOLOGY, 1992, 185 (02) :407-410
[5]   FLUOROSCOPIC MR IMAGING AT 0.064 TESLA [J].
KRAMER, DM ;
HAWRYSZKO, C ;
ORTENDAHL, DA ;
MINAISE, M .
IEEE TRANSACTIONS ON MEDICAL IMAGING, 1991, 10 (03) :358-361
[6]   SPATIALLY RESOLVED HIGH-RESOLUTION SPECTROSCOPY BY 4-DIMENSIONAL NMR [J].
MAUDSLEY, AA ;
HILAL, SK ;
PERMAN, WH ;
SIMON, HE .
JOURNAL OF MAGNETIC RESONANCE, 1983, 51 (01) :147-152
[7]   A METHOD FOR CHEMICAL-SHIFT IMAGING - DEMONSTRATION OF BONE-MARROW INVOLVEMENT WITH PROTON CHEMICAL-SHIFT IMAGING [J].
SEPPONEN, RE ;
SIPPONEN, JT ;
TANTTU, JI .
JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY, 1984, 8 (04) :585-587
[8]   HEMORRHAGIC AND NONHEMORRHAGIC BRAIN-LESIONS - EVALUATION WITH 0.35-T FAST MR IMAGING [J].
WINKLER, ML ;
OLSEN, WL ;
MILLS, TC ;
KAUFMAN, L .
RADIOLOGY, 1987, 165 (01) :203-207