Title :
SAR distributions in the abdomen of a pregnant woman generated in a bird cage coil for the MRI system
Author :
Saito, Kazuyuki ; Kikuchi, Satoru ; Takahashi, Masaharu ; Ito, Koichi ; Ikehira, Hiroo
Author_Institution :
Res. Center for Frontier Med. Eng., Chiba Univ., Chiba
Abstract :
MRI (magnetic resonance imaging) is an effective method for diagnosis of diseases. During the imaging, RF coil, which is one of the elements of the MRI system, radiates EM (electromagnetic) pulses to the human body and in response receives the NMR (nuclear magnetic resonance) signals emitted from the body. Therefore, it is necessary to estimate the SAR (specific absorption rate) in the human body due to the radiated EM energy from the RF coils. In this study, the SAR in the abdomen of a pregnant woman, especially around the fetus is analyzed by numerical calculations.
Keywords :
biomedical MRI; electromagnetic pulse; medical signal processing; obstetrics; abdomen; bird cage coil; diseases diagnosis; electromagnetic pulses radiation; magnetic resonance imaging; nuclear magnetic resonance signals; pregnant woman; specific absorption rate; Abdomen; Birds; Coils; Diseases; Electromagnetic radiation; Humans; Magnetic resonance imaging; Nuclear magnetic resonance; Pregnancy; Radio frequency;
Conference_Titel :
Antennas and Propagation, 2006. EuCAP 2006. First European Conference on
Conference_Location :
Nice
Print_ISBN :
978-92-9092-937-6
DOI :
10.1109/EUCAP.2006.4584515
