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3.0T 자기공명영상을 이용한 해상력 특성에 대한 연구

Study on the Resolution Characteristics by Using Magnetic Resonance Imaging 3.0T

방사선기술과학 2020년 43권 4호 p.251 ~ 257
민정환, 정회원, 한지현, 이시내, 한송이, 김기원, 김현수, 손진현,
소속 상세정보
민정환 ( Min Jung-Whan ) - Shingu University Department of Radiological Technology
정회원 ( Jeong Hoi-Woun ) - Baekseok Culture University Department of Radiological Science
한지현 ( Han Ji-Hyun ) - Yonsei University Gangnam Severance Hospital Department of Radiology
이시내 ( Lee Si-Nae ) - Yonsei University Gangnam Severance Hospital Department of Radiology
한송이 ( Han Song-Yi ) - Yonsei University Gangnam Severance Hospital Department of Radiology
김기원 ( Kim Ki-Won ) - Hanil General Hospital Department of Radiology
김현수 ( Kim Hyun-Soo ) - Shingu College Department of Radiological Technology
손진현 ( Son Jin-Hyun ) - Shingu College Department of Radiological Technology

Abstract


This study was purpose to quantitative evaluation of edge method of modulation transfer function(MTF) and physical image characteristics of by obtain the optimal edge image by using magnetic resonance imaging(MRI). The MRI equipment was used (MAGNETOM Vida 3.0T MRI, Siemense healthcare system, Germany) and the head/neck matrix shim MR coil were 20 channels(elements) receive coil. The MTF results of showed the best value of 0.294 based on the T2 Nyquist frequency of 1.0 mm-1. The MTF results of showed that the T1 image is 0.160, the T1 CE image is 0.250, T1 Conca2 image is 0.043, and the T1 CE (Concatenation) Conca2 image is 0.190. The T2 image highest quantitatively value for MTF. The physical image characteristics of this study were to that can be used efficiently of the MRI and to present the quantitative evaluation method and physical image characteristics of 3.0T MRI.

키워드

자기공명영상; 변조전달함수; 엣지방법; 후지타방법; 품질보증
Magnetic resonance imaging; Modulation transfer function; Edge method; Fujita method; Quality Assurance

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