Journal of the Korean Association of Oral and Maxillofacial Surgeons

The Korean Association of Oral and Maxillofacial Surgeons (대한구강악안면외과학회)
권호 표지

THE MRI-BASED COMPARISON OF NORMAL- AND ABNORMAL-SIDE RETRODISCAL TISSUE, AND RELATIONSHIP BETWEEN CLINICAL EXAMINATION & THE MRI FINDINGS OF RETRODISCAL TISSUE IN PATIENTS WITH UNILATERAL TMJ INTERNAL DERANGEMENT

편측 악관절 내장증 환자에서 비이환측과 이환측의 자기공명영상 소견상 원판후 조직의 비교 및 임상소견과의 관계

  • Yoon, Hyun-Joong (Div. of Oral & Maxillofacial Surgery, Dept. of Dentistry, College of Medicine, The Catholic university of Korea) ;
  • Park, Chul-Hong (Div. of Oral & Maxillofacial Surgery, Dept. of Dentistry, College of Medicine, The Catholic university of Korea) ;
  • Kim, Jin (Div. of Oral & Maxillofacial Surgery, Dept. of Dentistry, College of Medicine, The Catholic university of Korea)
  • 윤현중 (가톨릭대학교 치과학교실 구강악안면외과) ;
  • 박철홍 (가톨릭대학교 치과학교실 구강악안면외과) ;
  • 김진 (가톨릭대학교 치과학교실 구강악안면외과)
  • Published : 2002.08.31
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Abstract

The study was performed to investigate the comparison of relative signal intensity of normal- and abnormal-side retrodiscal tissue, and relationship between clinical examination, joint effusion and relative signal intensity of retrodiscal tissue in patients with unilateral TMJ internal derangement. The study group comprised 19 females and 9 males, with a mean age of 29 years. After measurements of the signal intensity were made on the MR imager for the T2 weighted images on retrodiscal tissue and brain gray matter, we calculated relative value and tried to find relationship between clinical examination, joint effusion and relative signal intensity on normal- and abnormal-side. The results are as follows. 1. The gray matter is an appropriate reference point. 2. The relative signal intensity is high significantly in abnormal-side retrodiscal tissue compared with normal-side retrodiscal tissue. 3. The relative signal intensity is high significantly in painful joints compared with nonpainful joints and in joints with joint effusion compared with joints without joint effusion. 4. The relative signal intensity in normal joints, joints with reduction and joints without reduction is increased in order significantly.

Keywords

References

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