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이백수(Beak-Soo Lee),최현정(Hyun-Jung Choi),류동목(Dong-Mok Ryu),오정환(Jung-Hwan Oh) 대한구강악안면외과학회 2004 대한구강악안면외과학회지 Vol.30 No.5
Neural crest cells have embriologically important role for the development and growth in oral and maxillofacial region. If the early hereditary defect occurs or environmental factors affect these cells diminutive mesenchymal cells are disabled to make neural plate and decreased proliferation of mesenchymal cells result in hypoplastic development of neural crest. As a result, this brings about severe facial malformations such as various located facial clefts and/or loss or duplication of facial structure. These are two cases of accessory maxilla and zygomatic deformity with and without facial cleft.
이상철(Sang Chull Lee),김여갑(Yeo Gab Kim),류동목(Dong Mok Ryu),이백수(Beak Soo Lee),오승환(Sung Whan Oh),윤옥병(Ok Byung Yoon),신민철(Min Cheol Shin) 대한구강악안면외과학회 1996 대한구강악안면외과학회지 Vol.22 No.3
Osteochondroma is the most common benign tumor of axial and appendicular skeletons. While this tumor occurs at long bones exclusively, however, the lesion have been reported in many other skeletal site including the scapula, vertebra, ilium and mandible. In the mandible, most of lesions involve the coronoid process and the condylar osteochondroma is very rare. Condylar osteochondroma may manifests varying clinical signs and symptoms which include prognathic deviation of the mandible to the opposite side, malocclusion, cervicofacial pain and limited mouth opening. The majority of surgical treatments have been condylectomy. But recently, simple extirpation of lesion with condylar salvage were reported to maintain functions of mandible and the ramal height postoperatively. We have experienced two cases of condylar osteochondroma treated with simple extirpation of lesion and condylar shaving, and would like to report these with review of literatures.