Radial fast spin‐echo method for T2‐weighted imaging and T2 mapping of the liver

To evaluate a multishot radial fast‐spin echo (RAD‐FSE) method developed to improve the quality of abdominal T2‐weighted imaging as well as the characterization of focal liver lesions.

[1]  G H Glover,et al.  Projection Reconstruction Techniques for Reduction of Motion Effects in MRI , 1992, Magnetic resonance in medicine.

[2]  D G Mitchell,et al.  Hepatic lesions: discrimination of nonsolid, benign lesions from solid, malignant lesions with heavily T2-weighted fast spin-echo MR imaging. , 1997, Radiology.

[3]  M. Altbach,et al.  High‐resolution diffusion imaging with DIFRAD‐FSE (Diffusion‐Weighted Radial Acquisition of Data With Fast Spin‐Echo) MRI , 1999, Magnetic resonance in medicine.

[4]  J. Reinig Breath-hold fast spin-echo MR imaging of the liver: a technique for high-quality T2-weighted images. , 1995, Radiology.

[5]  M. Goldberg,et al.  Hepatic hemangiomas and malignant tumors: improved differentiation with heavily T2-weighted conventional spin-echo MR imaging. , 1994, Radiology.

[6]  J. Heiken,et al.  Cavernous hemangioma of the liver: assessment of MR tissue specificity with a simplified T2 index. , 1990, Journal of computer assisted tomography.

[7]  V Rasche,et al.  Radial turbo spin echo imaging , 1994, Magnetic resonance in medicine.

[8]  E. Dubois,et al.  Digital picture processing , 1985, Proceedings of the IEEE.

[9]  E. Yucel,et al.  Signal characteristics of focal liver lesions on double echo T2-weighted conventional spin echo MRI: observer performance versus quantitative measurements of T2 relaxation times. , 2000, Journal of computer assisted tomography.

[10]  E. Jeong,et al.  Comparison of multishot turbo spin echo and HASTE sequences for T2‐weighted MRI of liver lesions , 1998, Journal of magnetic resonance imaging : JMRI.

[11]  B L Daniel,et al.  Differentiation of hepatic malignancies from hemangiomas and cysts by T2 relaxation times: Early experience with multiply refocused four‐echo imaging at 1.5 T , 1999, Journal of magnetic resonance imaging : JMRI.

[12]  R. Henkelman,et al.  Motion artifacts in fast spin‐echo imaging , 1994, Journal of magnetic resonance imaging : JMRI.

[13]  K. Ohtomo,et al.  Hepatocellular carcinoma and cavernous hemangioma: differentiation with MR imaging. Efficacy of T2 values at 0.35 and 1.5 T. , 1988, Radiology.

[14]  J C Gore,et al.  Factors influencing contrast in fast spin-echo MR imaging. , 1992, Magnetic resonance imaging.

[15]  M Takahashi,et al.  Characterization of focal liver lesions with half‐Fourier acquisition single‐shot turbo‐spin‐echo (HASTE) and inversion recovery (IR)‐HASTE sequences , 1998, Journal of magnetic resonance imaging : JMRI.

[16]  T. Ichikawa,et al.  Fast magnetic resonance imaging of liver. , 1999, European journal of radiology.

[17]  J C Gore,et al.  Errors in the measurements of T2 using multiple‐echo MRI techniques. I. Effects of radiofrequency pulse imperfections , 1986, Magnetic resonance in medicine.

[18]  D. Hough,et al.  Comparison of breath-hold fast spin-echo and conventional spin-echo pulse sequences for T2-weighted MR imaging of liver lesions. , 1995, Radiology.

[19]  E. Yucel,et al.  Prediction rule for characterization of hepatic lesions revealed on MR imaging: estimation of malignancy. , 2001, AJR. American journal of roentgenology.

[20]  J C Gore,et al.  The Loss of Small Objects in Variable TE Imaging: Implications for FSE, RARE, and EPI , 1992, Magnetic resonance in medicine.

[21]  S. Mirowitz,et al.  Hepatic T2‐weighted MRI: A prospective comparison of sequences, including breath‐hold, half‐Fourier turbo spin echo (HASTE) , 1998, Journal of magnetic resonance imaging : JMRI.

[22]  R. Edelman,et al.  Differentiation between hemangiomas and cysts of the liver with nonenhanced MR imaging: Efficacy of T2 values at 1.5 T , 1993, Journal of magnetic resonance imaging : JMRI.

[23]  D G Mitchell,et al.  Rapidly enhancing hepatic hemangiomas at MRI: Distinction from malignancies with T2‐weighted images , 1997, Journal of magnetic resonance imaging : JMRI.

[24]  H. Kauczor,et al.  MRI of the pulmonary parenchyma , 1999, European Radiology.

[25]  J. E. Tanner,et al.  Spin diffusion measurements : spin echoes in the presence of a time-dependent field gradient , 1965 .

[26]  W. Meyers,et al.  Hepatic hemangiomas vs metastases: MR differentiation at 1.5 T. , 1990, AJR. American journal of roentgenology.

[27]  J. Borrello,et al.  A retrospective analysis of the accuracy of T2‐weighted images and dynamic gadolinium‐enhanced sequences in the detection and characterization of focal hepatic lesions , 1999, Journal of magnetic resonance imaging : JMRI.

[28]  E. Outwater,et al.  MR imaging techniques of the liver. , 1998, Radiologic clinics of North America.

[29]  R R Edelman,et al.  Liver masses: replacement of conventional T2-weighted spin-echo MR imaging with breath-hold MR imaging. , 1996, Radiology.

[30]  N L Kelekis,et al.  HASTE MR imaging: Description of technique and preliminary results in the abdomen , 1996, Journal of magnetic resonance imaging : JMRI.

[31]  M. Cohen,et al.  Value of T1 and T2 relaxation times from echoplanar MR imaging in the characterization of focal hepatic lesions. , 1993, AJR. American journal of roentgenology.

[32]  P M Joseph,et al.  Sampling errors in projection reconstruction MRI , 1998, Magnetic resonance in medicine.

[33]  D G Nishimura,et al.  On the nature and reduction of the displacement artifact in flow images , 1991, Magnetic resonance in medicine.

[34]  T P Trouard,et al.  Analysis and comparison of motion‐correction techniques in diffusion‐weighted imaging , 1996, Journal of magnetic resonance imaging : JMRI.

[35]  M Takahashi,et al.  Liver T2-weighted MR imaging: comparison of fast and conventional half-Fourier single-shot turbo spin-echo, breath-hold turbo spin-echo, and respiratory-triggered turbo spin-echo sequences. , 1997, Radiology.

[36]  J Hennig,et al.  Reduced circular field‐of‐view imaging , 1998, Magnetic resonance in medicine.

[37]  M Takahashi,et al.  Calculation of T2 relaxation time from ultrafast single shot sequences for differentiation of liver tumors: comparison of echo-planar, HASTE, and spin-echo sequences. , 2000, Radiation medicine.

[38]  H K Song,et al.  k‐Space weighted image contrast (KWIC) for contrast manipulation in projection reconstruction MRI , 2000, Magnetic resonance in medicine.