Maxillofacial Plastic and Reconstructive Surgery

  • 제27권5호
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  • Pages.457-462
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  • 2005
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  • 2288-8101(pISSN)
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  • 2288-8586(eISSN)
대한악안면성형재건외과학회 (Korean Association of Maxillofacial Plastic and Reconstructive Surgeons)
권호 표지

MRI T2강조영상에서 측두하악관절 원판 후 조직의 상대적 신호 강도에 대한 연구

THE RELATIVE SIGNAL INTENSITY OF RETRODISCAL TISSUE IN TMJ USING A T2-WEIGHTED MRI

  • 예영근 (가톨릭대학교 의과대학 치과학교실 구강악안면외과) ;
  • 이상화 (가톨릭대학교 의과대학 치과학교실 구강악안면외과) ;
  • 윤현중 (가톨릭대학교 의과대학 치과학교실 구강악안면외과)
  • Ye, Young-Geun (Div. of Oral & Maxillofacial Surgery, Department of Dentistry, The Catholic University of Korea) ;
  • Lee, Sang-Hwa (Div. of Oral & Maxillofacial Surgery, Department of Dentistry, The Catholic University of Korea) ;
  • Yoon, Hyun-Joong (Div. of Oral & Maxillofacial Surgery, Department of Dentistry, The Catholic University of Korea)
  • 발행 : 2005.09.30
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초록

The aim of this study is to evaluate the relative signal intensity of TMJ retrodiscal tissue in T2-weighted MRI as diagnostic marker of temporomandibular disorder(TMD). 58 temporomandibular joints from 29 TMD patients (14 men & 15 women) were evaluated. The relative signal intensity of retrodiscal tissue in T2-weighted MRI was referenced to brain gray matter same size of the region of interest(ROI). The collected data was compared to disc positions (normal, anterior disc displacement with reduction, anterior disc displacement without reduction), the presence of joint effusion. The relative signal intensity of retrodiscal tissue was significantly increased when the disc was displaced without reduction. And the relative signal intensity of retrodiscal tissue was significantly increased when joint effusion was present. The results suggest that evaluating the relative signal intensity of TMJ retrodiscal tissue using a T2-weighted MRI is valuable as a non-invasive tool for diagnosing the procession of TMD.

키워드

참고문헌

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