OSTEOCHONDROMA OF THE MANDIBULAR CONDYLE AND ACCOMPANYING FACIAL ASYMMETRY: REPORT OF A CASE

하악과두에 발생한 골연골종 및 이와 연관된 안면비대칭의 치료: 증례 보고

  • Lee, Hyo-Ji (Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University) ;
  • Kang, Young-Hoon (Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University) ;
  • Song, Won-Wook (Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University) ;
  • Kim, Sung-Won (Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University) ;
  • Kim, Jong-Ryoul (Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University)
  • 이효지 (부산대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 강영훈 (부산대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 송원욱 (부산대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 김성원 (부산대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 김종렬 (부산대학교 치의학전문대학원 구강악안면외과학교실)
  • Received : 2009.09.21
  • Accepted : 2010.01.12
  • Published : 2010.01.29

Abstract

Osteochondroma is the one of the most benign tumors of the axial skeleton, but is rarely found in the facial bones. Typical facial features of condylar osteochondroma include striking facial asymmetry, malocclusion with openbite on the affected side, and prognathic deviation of the chin and crossbite to the contralateral side. In this case, twenty four year-old female showed facial asymmetry, chin deviation, openbite on the affected side but have no symptoms of pain or dysfunction. Concomitantly she had maxillary occlusal cant and hemimandibular hypertrophy. Panoramic radiograph showed radiopaque mass on right mandibular condyle extended along the lateral pterygoid muscle. Computed tomogram demonstrated enlarged condylar head and bony spur on posteromedial side of condyle and 99Tc bone scintigraphy showed a focal hot image. These findings were correspond with osteochondroma. The lesion was treated with condylectomy and residual facial asymmetry was corrected with 2-jaw orthognathic surgery. Herein, we report a case of osteochondroma of the mandibular condyle and accompanying facial asymmetry.

Keywords

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