Journal of Digital Contents Society (디지털콘텐츠학회 논문지)

Digital Contents Society (한국디지털콘텐츠학회)
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The Effectiveness of 3D FIESTA (Three Dimensional Fast Imaging Employing Steady-state Acquisition) MRI in Sudden Hearing Loss Patients

돌발성 난청 환자에서 3D FIESTA (three dimensional fast imaging employing steady-state acquisition) MRI의 유용성

  • 조재환 (경산1대학 방사선과) ;
  • 김현주 (순천향대학교 부천병원 영상의학과) ;
  • 박철수 (한림성심대학 방사선과)
  • Received : 2010.07.19
  • Accepted : 2010.12.23
  • Published : 2010.12.31
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Abstract

This study explored the effects and the effectiveness of the new method of 3D FIESTA by making quantitative comparison with the conventional 3D FSE method which is frequently employed on patients with sudden hearing loss in clinical settings. For this study, 3D FSE images acquired with 3.0T MR scanner and T2-weighted axial plane 3D FIESTA images were respectively taken from 40 patients diagnosed with Sensorineural Hearing Loss (SSHL). When obtaining those images, sagittal reconstructions oriented perpendicular to the nerve were performed in order to get sagittal images of both right and left internal auditory canal. The findings showed that both SNR and CNR were higher among the group to whom the 3D FIESTA method was applied than the group to whom the conventional 3D FSE method was applied.

본 연구에서는 돌발성 난청을 보이는 환자를 대상으로 임상에서 자주 사용 하는 기법인 3D FSE과 새로운 기법인 3D FIESTA-C 을 정량적으로 비교 분석하여 3D FIESTA 기법의 효과와 유용성을 고찰해보고자 한다. 감각신경성 난청으로 진단받은 40명의 환자를 대상으로 3.0T MR scanner를 이용하여 3D FSE 영상과 3D FIESTA 영상인 축상면 T2 영상을 획득하였다. 획득한 3D FSE 영상과 3D FIESTA 영상은 신경의 주행방향에 수직으로 재구성을 시행하여 내이도의 오른쪽, 왼쪽의 시상면 영상을 획득 하였다. 분석 결과 3D FSE 기법을 이용한 그룹과 3D FIESTA기법을 이용한 두 그룹에서의 신호대 잡음비는 3D FIESTA 기법을 이용한 그룹에서 높은 신호대 잡음비를 보였으며 두 그룹에서의 대조도대 잡음비는 3D FIESTA 기법을 이용한 그룹에서 높은 대조도대 잡음비를 보였다.

Keywords

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