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Diffusion-weighted imaging versus superparamagnetic iron oxide (SPIO)-enhanced MRI: exclusive and combined values in the assessment of hepatic metastases
10 February 2012
Hana Kim, Jeong-Sik Yu, Eun-Suk Cho, Jae-Joon Chung, Joo Hee Kim, Dae Jung Kim, Jhii-Hyun Ahn, Ki Whang Kim
Abstract: Purpose: The purpose was to validate diffusion-weighted imaging (DWI) in the assessment of hepatic metastases compared with superparamagnetic iron oxide (SPIO)-enhanced magnetic resonance im...
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Correction of chemical shift misregistration by images from two different bandwidths
10 February 2012
Haitao Zhu, Kazuyuki Demachi, Cuixiang Pei, Masaki Sekino, Mitsuru Uesaka
Abstract: One major effect caused by the different chemical shift frequencies of water and fat is the misregistration between the two components in MR images. Methods to correct misregistration are re...
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Optimal real-time estimation in diffusion tensor imaging
03 February 2012
Pablo Casaseca-de-la-Higuera, Antonio Tristán-Vega, Santiago Aja-Fernández, Carlos Alberola-López, Carl-Fredrik Westin, Raúl San José Estépar
Abstract: Diffusion tensor imaging (DTI) constitutes the most used paradigm among the diffusion-weighted magnetic resonance imaging (DW-MRI) techniques due to its simplicity and application potential....
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Signal evolution in the local magnetic field of a capillary — analogy to the damped driven harmonic oscillator
03 February 2012
Christian H. Ziener, Thomas Kampf, Gerd Melkus, Peter M. Jakob, Heinz-Peter Schlemmer, Wolfgang R. Bauer
Abstract: The temporal behavior of the magnetization decay caused by the local inhomogeneous magnetic field of a capillary is analyzed. Respecting the diffusion of the spins surrounding the capillary ...
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Multichannel transceiver dual-tuned RF coil for proton/sodium MR imaging of knee cartilage at 3 T
01 February 2012
Jung-Hwan Kim, Chan Hong Moon, Bum-Woo Park, Alessandro Furlan, Tiejun Zhao, Kyongtae T. Bae
Abstract: Sodium magnetic resonance (MR) imaging is a promising technique for detecting changes of proteoglycan (PG) content in cartilage associated with knee osteoarthritis. Despite its potential cli...
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