Maxillofacial Plastic and Reconstructive Surgery

Korean Association of Maxillofacial Plastic and Reconstructive Surgeons (대한악안면성형재건외과학회)
권호 표지

Analysis of Keratocystic Odontogenic Tumor

각화낭성 치성종양에 관한 분석

  • Lim, Hyoung-Sup (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University) ;
  • Kim, Su-Gwan (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University) ;
  • Moon, Seong-Yong (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University) ;
  • Oh, Ji-Su (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University) ;
  • Moon, Kyung-Nam (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University) ;
  • Yoon, Jeong-Hoon (Department of Oral Pathology, School of Dentistry, Chosun University)
  • 임형섭 (조선대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 김수관 (조선대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 문성용 (조선대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 오지수 (조선대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 문경남 (조선대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 윤정훈 (조선대학교 치의학전문대학원 구강병리학교실)
  • Received : 2010.03.22
  • Accepted : 2010.06.30
  • Published : 2010.07.30
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Abstract

We reviewed 30 cases of keratocystic odontogenic tumor (KCOT) managed during the 8-year period between 2001 and 2008. This case report described the clinical, radiographic and histopathologic features of these KCOT. Of the 30 patients in whom KCOTs were diagnosed, 18 (60%) of the patients were male and 12 (40%) were female. The mean age of these patients was 34.2 years, with peak incidence occurring in the third decade of life. The lesions were mostly located in the mandible (74.2%) and in the maxilla (25.8%). There was a marked predilection to occur in the posterior mandible. Radiographically, 19 (63%) out of the 30 cases were unilocular type with a well demarcated border, while 11 cases (37%) were multilocularin appearance. Histopathologically, 73% of the cysts were lined with parakeratinized stratified squamous epithelium, while only 3% of the cysts were lined with mixed parakeratinized of orthokeratinized epithelium. 22 cases (73%) contained keratin in the lumen. A satellite cyst was observed in 14 cases (47%). All cysts were treated by enucleation. The recurrence rate was shown as 10% for 3 patients with a follow up period and recurred lesions were treated by re-enucleation.

Keywords

References

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