Detail publikace

Measuring of Temperature Fields Using MR Tomography

Originální název

Measuring of Temperature Fields Using MR Tomography

Anglický název

Measuring of Temperature Fields Using MR Tomography

Jazyk

en

Originální abstrakt

Magnetic resonance imaging is in medicine commonly used method for human body structures imaging. Progresses in imaging methods allow figure different parameters of the specimen then mere structural image. If we are able to image function of the human body then we can improve diagnosability of diseases. This article deal with noninvasive method for imaging of temperature distribution in required volume of specimen using MR tomography. Method is based on diffusion measurement. Temperature dependence of diffusion of materials makes possible measure temperature distribution in specimen.As a specimen is used water solution of nickel sulfate (NiSO4). This solution was chosen for similar properties to physiological solution. Pulsed Field Gradient Spin-Echo (PFG SE) method is used for measurement of self diffusion coeffcients D. Results of measurement are compared with other materials measured in to improve method for human body temperature fields measurement. The experiments were carried out on an MR tomograph system 4.7 T/120mm (i.e., 200MHz for 1H nuclei). Actively shielded gradient coils forms a maximum gradient field magnitude of 180 mT/m. The measured data were processed in the MAREVISI and MATLAB programs.

Anglický abstrakt

Magnetic resonance imaging is in medicine commonly used method for human body structures imaging. Progresses in imaging methods allow figure different parameters of the specimen then mere structural image. If we are able to image function of the human body then we can improve diagnosability of diseases. This article deal with noninvasive method for imaging of temperature distribution in required volume of specimen using MR tomography. Method is based on diffusion measurement. Temperature dependence of diffusion of materials makes possible measure temperature distribution in specimen.As a specimen is used water solution of nickel sulfate (NiSO4). This solution was chosen for similar properties to physiological solution. Pulsed Field Gradient Spin-Echo (PFG SE) method is used for measurement of self diffusion coeffcients D. Results of measurement are compared with other materials measured in to improve method for human body temperature fields measurement. The experiments were carried out on an MR tomograph system 4.7 T/120mm (i.e., 200MHz for 1H nuclei). Actively shielded gradient coils forms a maximum gradient field magnitude of 180 mT/m. The measured data were processed in the MAREVISI and MATLAB programs.

BibTex


@inproceedings{BUT35733,
  author="Martin {Čáp} and Karel {Bartušek} and Petr {Marcoň}",
  title="Measuring of Temperature Fields Using MR Tomography",
  annote="Magnetic resonance imaging is in medicine commonly used method for human body structures imaging. Progresses in imaging methods allow  figure different parameters of the specimen then mere structural image. If we are able to image function of the human body then we can improve diagnosability of diseases. This article deal with noninvasive method for imaging of temperature distribution in required volume of specimen using MR tomography. Method is based on diffusion measurement. Temperature dependence of diffusion of materials makes possible measure temperature distribution in specimen.As a specimen is used water solution of nickel sulfate (NiSO4). This solution was chosen for similar properties to physiological solution. Pulsed Field Gradient Spin-Echo (PFG SE) method is used for measurement of self diffusion coeffcients D. Results of measurement are compared with other materials measured in to improve method for human body temperature fields measurement. The experiments were carried out on an MR tomograph system 4.7 T/120mm (i.e., 200MHz for 1H nuclei). Actively shielded gradient coils forms a maximum gradient field magnitude of 180 mT/m. The measured data were processed in the MAREVISI and MATLAB programs.",
  booktitle="PIERS 2010 Cambridge, Progress In Electromagnetics Research Symposium Proceedings",
  chapter="35733",
  howpublished="electronic, physical medium",
  year="2010",
  month="july",
  pages="1040--1042",
  type="conference paper"
}