Peritumoral spared area in fatty liver: correlation between opposed-phase gradient-echo MR imaging and CT arteriography

2001 ◽  
Vol 26 (4) ◽  
pp. 384-389 ◽  
Author(s):  
T. Gabata ◽  
M. Kadoya ◽  
O. Matsui ◽  
K. Ueda ◽  
Y. Kawamori ◽  
...  
Keyword(s):  
Mr Imaging ◽  
Fatty Liver ◽  
Gradient Echo ◽  
Phase Gradient

Focal Sparing in Fatty Liver: Mimicking Hypervascular Tumor on Gadolinium-Enhanced Opposed-Phase Gradient-Echo Images

2001 ◽  
Vol 45 (6) ◽  
pp. 611
Author(s):  
Dal Mo Yang ◽  
Hak Soo Kim ◽  
Hyung Sik Kim ◽  
Wook Jin ◽  
Seung Whi Cho
Keyword(s):  
Fatty Liver ◽  
Gradient Echo ◽  
Phase Gradient ◽  
Hypervascular Tumor

MR Imaging of Bone Metastases and Choice of Sequence: Spin Echo, In-Phase Gradient Echo, Diffusion, and Contrast Medium

2009 ◽  
Vol 13 (02) ◽  
pp. 097-103 ◽  
Author(s):  
Daniel Vanel ◽  
Roberto Casadei ◽  
Marco Alberghini ◽  
Manel Razgallah ◽  
Maurizio Busacca ◽  
...  
Keyword(s):  
Mr Imaging ◽  
Bone Metastases ◽  
Contrast Medium ◽  
Spin Echo ◽  
Gradient Echo ◽  
Phase Gradient

Accuracy of Liver Fat Quantification at MR Imaging: Comparison of Out-of-Phase Gradient-Echo and Fat-saturated Fast Spin-Echo Techniques—Initial Experience

Radiology ◽  
2005 ◽  
Vol 237 (2) ◽  
pp. 507-511 ◽  
Author(s):  
Aliya Qayyum ◽  
Jeffrey S. Goh ◽  
Sanjay Kakar ◽  
Benjamin M. Yeh ◽  
Raphael B. Merriman ◽  
...  
Keyword(s):  
Mr Imaging ◽  
Spin Echo ◽  
Liver Fat ◽  
Fast Spin Echo ◽  
Initial Experience ◽  
Gradient Echo ◽  
Fat Quantification ◽  
Phase Gradient ◽  
Fast Spin ◽  
Liver Fat Quantification

Hematopoietic bone marrow in the adult knee: spin-echo and opposed-phase gradient-echo MR imaging

1993 ◽  
Vol 22 (2) ◽  
Author(s):  
Ph. Lang ◽  
R. Fritz ◽  
S. Majumdar ◽  
M. Vahlensieck ◽  
C. Peterfy ◽  
...  
Keyword(s):  
Bone Marrow ◽  
Mr Imaging ◽  
Spin Echo ◽  
Gradient Echo ◽  
Phase Gradient ◽  
Hematopoietic Bone Marrow

Experimental intracerebral and subarachnoid/intraventricular haemorrhages: MR detectability at 0.5 T and 1.5 T

2002 ◽  
Vol 43 (5) ◽  
pp. 464-473
Author(s):  
M. Alemany Ripoll ◽  
R. Raininko
Keyword(s):  
Cerebrospinal Fluid ◽  
Mr Imaging ◽  
Spin Echo ◽  
Autologous Blood ◽  
Pulse Sequences ◽  
Proton Density ◽  
Gradient Echo ◽  
The Brain ◽  
Formalin Fixed

Purpose: To compare the detectability of small experimental intracranial haemorrhages on MR imaging at 0.5 T and 1.5 T, from hyperacute to subacute stages. Material and Methods: 1 ml of autologous blood was injected into the brain of 15 rabbits to create intraparenchymal haematomas. Since the blood partially escaped into the cerebrospinal fluid (CSF) spaces, detectability of subarachnoid and intraventricular blood was also evaluated. MR imaging at 0.5 T and at 1.5 T was repeated up to 14 days, including T1-, proton density- and T2-weighted (w) spin-echo (SE), FLAIR and T2*-w gradient echo (GE) pulse sequences. The last MR investigation was compared to the formalin-fixed brain sections in 7 animals. Results: The intraparenchymal haematomas were best revealed with T2*-w GE sequences, with 100% of sensitivity at 1.5 T and 90–95% at 0.5 T. Blood in the CSF spaces was significantly ( p < 0.05) better detected at 1.5 T with T2*-w GE sequences and detected best during the first 2 days. The next most sensitive sequence for intracranial blood was FLAIR. SE sequences were rather insensitive. Conclusion: 1.5 T equipment is superior to 0.5 T in the detection of intracranial haemorrhages from acute to subacute stages. T2*-w GE sequences account for this result but other sequences are also needed for a complete examination.

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