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류선열(Sun Youl Ryu),김일규(Il Kyu Kim),김종철(Jong Chull Kim),오희균(Hee Kyun Oh),박재관(Jae Kwan Park) 대한구강악안면외과학회 1986 대한구강악안면외과학회지 Vol.12 No.1
This is to report four cases of autogenous corticocancellous iliac bone graft for reconstruction of mandibular defects occurred by traumatic comminuted fractures and surgical removal of ameloblastoma. In only one case, infection developed shortly with suppuration on the 7th postoperative day and was well treated with adequate antibiotic therapy and drainage. In all cases, pain and paresthesia on donor site were complained but disappeared within a few days. All cases were satisfactorily treated with proper masticatory function and esthetic improvement.
류선열(Ryu Sun Youl),오희균(Oh Hee Kyun),김건중(Kim Geon Jung),윤영수(Yun Young Soo),박재관(Park Jae Kwan) 대한구강악안면외과학회 1987 대한구강악안면외과학회지 Vol.13 No.1
This report dealed with a simplified method for the internal fixation of fractures of the mandibular condyle. We have presented 2 cases of the displaced condylar fractures of the mandible treated by Kirschner wire for internal fixation. Advantages over previous surgical methods were as follows: 1. This method provided ease access and lack of danger to the facial nerve and the articular capsule by submandibular approach. 2. It allowed ease manipulation, accurate alignment, and rigid fixation of fragments. 3. No special equipment was required and drilling was carried out in a safe area. 4. Follow up studies revealed good function and no remarkable post-operative complication.
가토 하악골에 Proplast I과 II 이식후 주위 조직반응 및 골형성
류선열,김건중,Ryu, Sun-Youl,Kim, Geon-Jung 대한악안면성형재건외과학회 1991 Maxillofacial Plastic Reconstructive Surgery Vol.13 No.3
The purpose of this study was to compare the response of adjacent tissue and new bone formation after implantation by different methods of subperiosteal using using Proplast I and II in rabbit mandible. Microstructure of Proplast I and II was observed by scanning electron microscope. And the implantation procedure was carried out by dividing into tow groups, A and B. a group consisted of subperiosteal graft on the cortex, and the other B group was made up onlay graft following artificial decortication in the madibular body of rabbit. The experimental animals were sacrificed on the 1st, 2nd, 4th and 8th week after grafting for macroscopic and histopathologic examination. The samples extracted at the 6th postgrafting week were also used for biometric test. The result ere as follows : 1. By scanning electron microscopic observation, pore size was $50{\sim}180{\mu}m$ in the Proplast I and $100{\sim}220{\mu}m$ in Proplast II. 2. Macroscopically, infection of the graft site, deformation and displacement of the implanted materials were not observed in all experimental groups. 3. In the tissue response, infiltration of inflammatory cells and multinucleated giant cells were observed from the 2nd to the 8th week in Proplast I. Inflammatory cells decreased in number from the 2nd week in Proplast II suggesting that Proplast II is better than Proplast I. 4. Bone formation was not observed until the 8th week in the group A, but new bone formation from the surrounding graft bed and the periostium was appeared from the 4th week in the group B. 5. The maximum mean values of shear stress mere serially $65.5gf/mm^2$ in Proplast II of group B, $32.9gf/mm^2$ in Proplast I of group B, $17.0gf/mm^2$ in Proplast II of group A, and $15.7gf/mm^2$ in Proplast I. of group A.
류선열(Ryu Sun Youl),오희균(Oh Hee Kyun),김건중(Kim Geon Jung),윤영수(Yun Young Soo),박재관(Park Jae Kwan),최홍란(Choi Hong Ran) 대한구강악안면외과학회 1987 대한구강악안면외과학회지 Vol.13 No.2
The aneurysmal bone cyst is a benign, solitary lesion of bone and is not true cyst in that it does not have an epithelial lining. The etiology is still unknown and controversial. It is usually found in the young patients under 20 years of age and shows no marked sex predilection. The lesion is most common in the vertebrae and the long bones, but it is uncommon in the jaws. The common clinical presentation is swelling of the overlying soft tissues due to bony expansion, which may be rapid in onset. Pain or tenderness on palpation may or may not be a concomitant symptom. Microscopically, the principal feature of the lesion is the replacement of bone by spongy, fibro-osseous tissue which contains blood-filled cavernous or sinusoidal spaces as well as multinucleated giant cells with a patch distribution. This lesion has successfully been treated by curettage, local resection, cryosurgery, and radiation therapy. The propensity for recurrence in the jaws is less than in other bones and the conservative treatment is favored by most authors. Close follow-up is necessary because of the potential for recurrence. This is a case report of aneurysmal bone cyst occurred in the left ramal area of 16-year old male patient. He was treated by surgical curettage. After 5 months of follow-up check it revealed good bony healing and no recurrence on the operation site.
미맹출치를 동반한 Calcifying Odontogenic Cyst
류선열,정중재,정종철,박준아,최홍란,Ryu, Sun-Youl,Chung, Jung-Jae,Chung, Jong-Chull,Park, Jun-Ah,Choi, Hong-Ran 대한악안면성형재건외과학회 1993 Maxillofacial Plastic Reconstructive Surgery Vol.15 No.2
좌측 상악 구치부와 협부의 무통성 종창을 주소로 내원한 16세 여자의 좌측 상악동에서 다량의 석회화 침착과 미맹출지를 포항한 COC 1예를 구내 접근법을 통해 외과적으로 제거하였다. 적출물은 $50{\times}40{\times}35mm$의 크기였고 낭종벽으로 잘 피낭되어 있었다. 조직학적으로는 잘 발달된 상피 내벽과 ghost cell이 나타나 COC의 소견을 보였으며 석회화물은 complex odontoma의 양상을 보여 COC의 type IB로 분류되었다. 술후 1년이 지난 현재 안모의 개선을 나타내고 있으며 재발의 증상 없이 양호한 경과를 보여주고 있다. A case of calcifying odontogenic cyst associated with an unerupted tooth which appeared in the left maxillary sinus of a 16-year-old woman, was reported. Clinical examination revealed painless swelling on the left maxillary posterior region and the cheek. Radiographically, this lesion showed a monolocular radiolucent shadow with calcified materials and unerupted maxillary second premolar. Histological examination revealed cystic structure with presence of the ghost cells, calcified tissue and unerupted tooth. This lesion was classified as Type IB of COC according to classification of the Praetorius. After surgical removal of the cyst, the wound healed uneventfully and the lesion is now free of symptoms.