Restorative Dentistry and Endodontics

The Korean Academy of Conservative Dentistry (대한치과보존학회)
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THE RELATIONSHIP OF RADIOGRAPHIC LESION SIZE AND CHARACTERISTICS TO DIAGNOSIS OF PERIAPICAL CYSTS AND GRANULOMAS

방사선학적 치근단병소의 크기와 특징에 대한 치근단낭종 및 육아종의 상관관계연구

  • Choi, Ho-Sik (Department of Conservative Dentistry, School of Dentistry, Seoul National University) ;
  • Lee, Woo-Cheol (Department of Conservative Dentistry, School of Dentistry, Seoul National University) ;
  • Shon, Won-Jun (Department of Conservative Dentistry, School of Dentistry, Seoul National University) ;
  • Kum, Kee-Yeon (Department of Conservative Dentistry, School of Dentistry, Seoul National University) ;
  • Bae, Kwang-Shik (Department of Conservative Dentistry, School of Dentistry, Seoul National University) ;
  • Baek, Seung-Ho (Department of Conservative Dentistry, School of Dentistry, Seoul National University)
  • 최호식 (서울대학교 치의학대학원 치과보존학교실) ;
  • 이우철 (서울대학교 치의학대학원 치과보존학교실) ;
  • 손원준 (서울대학교 치의학대학원 치과보존학교실) ;
  • 금기연 (서울대학교 치의학대학원 치과보존학교실) ;
  • 배광식 (서울대학교 치의학대학원 치과보존학교실) ;
  • 백승호 (서울대학교 치의학대학원 치과보존학교실)
  • Published : 2010.01.29
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Abstract

The purpose of this study was to find out the relationship of radiographic lesion size, gender, age of patients and radiographic character to the diagnosis of periapical cyst and granuloma. The data was collected from 187 periapical lesions of 167 patients who undergone apical surgery at Department of Conservative Dentistry, Seoul National University Dental Hospital from 2003 to 2005. The lesion were surgically removed and send for biopsy to the Oral Pathology Laboratory. From the initial radiograph, lesion size was calculated using $PiViewSTAR^{(R)}$ (INFINITT, Korea) program. The obtained data were statistically evaluated using SPSS (p<0.05). The result were as followings: 1. From 187 biopsy samples, the incidence of periapical cyst was 28.34% and granuloma was 65.24%. 2. There was a significant correlation between periapical cyst and the size of radiographic lesion (p<0.01). 3. There were no significant correlations between age, gender, location of lesion and the final diagnosis (p>0.05). 4. There was a significant correlation between the non-demarcation of the lesion and the incidence of periapical granuloma (p<0.01).

본 연구는 2003년부터 2005년까지 서울대학교 치과병원 보존과에 내원한 환자 중 치근단수술을 시행한 환자 167명에서 생검을 위해 적출한 187개의 치근단병소를 대상으로 하였다. 수술 후 조직검사 결과 얻은 진단명과 환자의 진단기록에서 환자의 성별, 나이, 발병 부위, 방사선 사진 상의 특징 그리고 병소의 크기와의 상관관계를 조사하였다. 초진시 방사선 사진에서 치근단병소의 크기를 $PiViewSTAR^{(R)}$ (INFINITT, Korea)를 이용하여 화소를 계산함으로써 면적을 구하였다. 이를 바탕으로 통계 분석프로그램 SPSS (version 12.0K, SPSS Inc., Chicago, IL, USA)를 이용해 방사선사진상 크기와 진단명과의 상관관계를 조사하였다. 나이와 진단명과의 상관관계는 일원배치 분산분석을 시행하고 성별, 부위, 방사선사진상의 특징과 진단명과의 상관관계는 교차분석을 통해 카이제곱검정으로 조사하여 다음과 같은 결론을 얻었다. 1. 187의 치근단병소 조직검사결과 치근단병소 중 치근단낭종의 비율은 28.34%, 육아종의 비율은 65.24%, 기타병소의 비율은 6.42%로 나타났다. 2. 방사선사진상 병소의 크기가 커질수록 치근단 낭종일 확률이 높았다(p<0.01). 3. 나이, 성별, 발병부위와 진단명사이에서 유의 한 상관관계가 없었다(p>0.05). 4. 병소의 경계가 명확하지 않은 것과 치근단육아종의 발생빈도는 통계적으로 유의한 상관관계를 보였다(p<0.01).

Keywords

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