SWI of pelvic region: investigation of the susceptibility artifact by intestinal gasses

Research Project

Project/Area Number	24591766
Research Category	Grant-in-Aid for Scientific Research (C)
Allocation Type	Multi-year Fund
Section	一般
Research Field	Radiation science
Research Institution	Yamaguchi University
Principal Investigator	TOKUDA Osamu 山口大学, 医学部, 特別医学研究員 (60380002)
Co-Investigator(Kenkyū-buntansha)	MATSUNAGA Naofumi 山口大学, 大学院医学系研究科, 教授 (40157334) KIDO Shouji 山口大学, 大学院医学系研究科, 教授 (90314814)
Project Period (FY)	2012-04-01 – 2015-03-31
Project Status	Completed (Fiscal Year 2014)
Budget Amount *help	¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000) Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000) Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000) Fiscal Year 2012: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords	MRI / アーチファクト / SWI
Outline of Final Research Achievements	According to the phantom experiment, we found that the artifacts of intestinal gasses have a significant impact on the image quality of the SWI images. The pelvic MR imaging with SWI was performed for three volunteers with and without the drug which drains intestinal gasses. As a result, the images of the volunteers with the drug demonstrated fewer artifacts than those without drugs. In conclusion, the pelvic MR imaging with SWI may require premedication with the drug which drains intestinal gasses in order to reduce the artifacts of intestinal gasses.