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Intraoperative temperature measurement using magnetic resonance imaging has shown a great value as a noninvasive method. T2 relaxation time is one of the magnetic resonance imaging (MRI) parameters, theoretically, it is related to temperatures and signal amplitudess. in this paper we tried to find the relationship between temperature and porcine liver's T2 relaxation time by using CPMG sequence under...
The magnet is one of the key part of the MRI, it must produce magnetic field with enough intensity and good uniformity in order to meet the need of imaging. However, the temperature of the magnet is affected by ambient temperature. This paper simulates the temperature field of the magnet. So we can figure out the relationship between ambient temperature and magnet temperature.
In this paper, temperature mapping by using permanent magnetic resonance imaging was studied. The different temperatures of porcine liver are measured with MRI using spin-echo (SE) sequence, which is based on the relationship between temperature difference (DeltaT) and average signal amplitude difference (DeltaM). The experimental results show that the temperature measured with MRI was basically identical...
There are several MRI techniques to measure the temperature, such as proton resonance frequency (PRF), spin-lattice relaxation time T1, Brown molecular movement (diffusion) and so on. In this paper a brand-new method was taken, which related with the method of spin-lattice relaxation time T1. In this study, the temperature mapping can be taken.
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