Journal of the Korean Association of Oral and Maxillofacial Surgeons
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- P-ISSN2234-7550
- E-ISSN2234-5930
- SCOPUS, KCI, ESCI
ISSN : 2234-7550
Low-grade osteosarcoma arising from cemento-ossifying fibroma: a case report
Nam-Kyoo Kim (Catholic Kwandong University International St. Mary’s Hospital)
(Gangnam Severance Hospital)
Hyung Jun Kim (Yonsei University)
Abstract
Cemento-ossifying fibromasare benign tumors, and, although cases of an aggressive type have been reported, no cases of cemento-ossifying fibromatransforming into osteosarcoma have been documented previously. Low-grade osteosarcoma is a rare type of primary bone tumor, representing 1%-2% of all osteosarcomas. A 45-year-old female patient was diagnosed with cemento-ossifying fibroma,treated with mass excision several times over a period of two years and eight months, and followed up. After biopsy gathered because of signs of recurrence, she was diagnosed with low-grade osteo-sarcoma. The patient underwent wide excision, segmental mandibulectomy, and reconstruction with fibulafree flap.The aim of this report is to raise awareness of the possibility that cemento-ossifying fibromacan transform into osteosarcoma and of the consequent necessity for careful diagnosis and treatment planning.
- keywords
- Cemento ossifying fibroma, Low-grade osteosarcom
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