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Osteosarcoma of the jaws in Koreans: analysis of 26 cases
- Authors
- Hye-In Jeong ; Mi Jee Lee ; Woong Nam ; In-Ho Cha ; Hyung Jun Kim
- Citation
- Journal of the Korean Association of Oral and Maxillofacial Surgeons (대한구강악안면외과학회지), Vol.43(5) : 312-317, 2017-10
- ISSN
- 2234-7550
- Issue Date
- 2017-10
- MeSH
- Mandible ; Maxilla ; Maxillofacial ; Osteosarcoma ; Survival
- Keywords
- Objectives: In order to assess clinical behavior, response to treatment, and factors influencing prognosis of Korean patients with osteosarcoma of the jaws (OSJ). Materials and methods: A retrospective study of clinical, and pathological records of 26 patients with OSJ treated at the Department of Oral and Maxillofacial Surgery in Yonsei University Dental Hospital from 1990 to March 2017. Results: Of 26 patients, there were 9 men (34.6%) and 17 women (65.4%). Twenty-one of 26 patients had osteosarcoma of the mandible, and 5 of 26 patients had osteosarcoma of the maxilla. The histopathology of OSJ is highly variable, ranging from chondroblastic type (6 out of 26), osteoblastic type (10 out of 26), fibroblastic type (2 out of 26), to the rare variants like mixed type, small cell osteosarcoma types and more. All patients underwent gross total excision and only a few patients underwent neoadjuvant chemotherapy. Postoperative chemotherapy was given to most of the patients as adjuvant treatment or in combination with radiotherapy. The overall survival rate was 73.1% with an overall 2-year survival rate of 83.3%. The overall 5-,10-,15-year survival rates in this study were 73.5%, 73.5%, 49%, respectively. Using Kaplan-Meier analysis with log rank tests, the size of tumor (T-stage), and resection margins were found to affect the survival rate significantly. The chemotherapy was not significantly associated with improved survival rate. Conclusion: Surgical resection with a clear margin is the most important factor in disease survival. The role of chemotherapy and radiotherapy in OSJ remains controversial, and deserves further studies.
- Abstract
- 10.5125/jkaoms.2017.43.5.312
- DOI
- 29142865
- Appears in Collections:
- 2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
- Yonsei Authors
-
Kim, Hyung Jun(김형준)
https://orcid.org/0000-0001-8247-4004
Nam, Woong(남웅) https://orcid.org/0000-0003-0146-3624
Cha, In Ho(차인호) https://orcid.org/0000-0001-8259-2190
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