Abstract
To investigate the role of ferucarbotran-enhanced dynamic MR imaging using multishot spin-echo echo-planar sequence in the evaluation of hemodynamics of focal hepatic lesions. Sixty-three focal hepatic lesions (24 benign and 39 malignant) from 53 consecutive patients who underwent both ferucarbotran-enhanced MR imaging and dynamic computed tomography (CT) were included in this study. MR imaging was performed with a 1.5-T scanner with a phased-array coil. T2-weighted multishot spin-echo echo-planar sequences (TR/TE = 1714-2813/80 msec) were obtained during a single breathhold before and 15, 60, 120, 180, and 600 seconds after intravenous injection of ferucarbotran. The enhancement patterns of lesions were classified into three categories by a study coordinator on the basis of dynamic CT images as hypervascular, hypovascular, and hemangioma type. The study coordinator created mean contrast-to-noise ratio of lesions vs. time curves for each enhancement pattern for quantitative analyses. Moreover, three radiologists separately and blindly reviewed MR images, and then assigned three confidence scores for the three enhancement patterns to each lesion. Sensitivity, specificity, and receiver operating characteristic analyses were perfo...Continue Reading
References
Nov 1, 1990·AJR. American Journal of Roentgenology·J T Ferrucci, D D Stark
Mar 1, 1990·AJR. American Journal of Roentgenology·B Van BeersJ Jamart
Feb 1, 1990·Radiology·P F HahnJ T Ferrucci
Jan 1, 1985·Radiology·H OhishiY Hosogi
Apr 1, 1987·Radiology·K OhtomoK Furukawa
Dec 1, 1994·Radiology·M F BellinJ Grellet
Dec 1, 1994·Radiology·A DenysY Menu
Sep 1, 1994·Journal of Magnetic Resonance Imaging : JMRI·B HammL Lange
Jan 1, 1993·Journal of Magnetic Resonance Imaging : JMRI·H TrillaudJ M Franconi
Apr 1, 1997·Radiology·T K FooT L Chenevert
Apr 8, 1998·AJR. American Journal of Roentgenology·T IchikawaT Araki
Apr 20, 1999·Radiology·J WardP J Robinson
Jul 9, 1999·AJR. American Journal of Roentgenology·T IchikawaS Aoki
Dec 10, 1999·AJR. American Journal of Roentgenology·M HayashiY Nakanuma
Feb 27, 2001·AJR. American Journal of Roentgenology·K TakayasuH Ueno
Mar 7, 2001·Radiology·T MurakamiM Kudo
Mar 22, 2002·AJR. American Journal of Roentgenology·Tonsok KimHironobu Nakamura
May 9, 2002·Journal of Magnetic Resonance Imaging : JMRI·Joo Hee KimJong Tae Lee
Nov 20, 2002·Journal of Computer Assisted Tomography·Masatoshi HoriHironobu Nakamura
Jan 4, 2003·Radiology·Bo Kiung KangSoon Jin Lee
Aug 2, 2003·Radiology·David A BluemkePaula Jacobs
Oct 24, 2003·AJR. American Journal of Roentgenology·Seishi KumanoHironobu Nakamura
Citations
Nov 21, 2008·European Journal of Radiology·Hiroki HigashiharaHironobu Nakamura
Jun 27, 2008·Journal of Magnetic Resonance Imaging : JMRI·Christopher BangardAxel Gossmann
Feb 27, 2009·Journal of Magnetic Resonance Imaging : JMRI·Luigi GrazioliStefano Colagrande