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Title: Reactive post-radiotherapy bone formation in the maxilla. Author: Mariano FV, Gondak RO, Santos-Silva AR, Corrêa MB, Almeida OP, Lopes MA. Journal: J Craniofac Surg; 2013 Jan; 24(1):e43-5. PubMed ID: 23348333. Abstract: OBJECTIVE: High-dose radiation therapy affects bone metabolism, and therefore post-radiotherapy bone formation is an uncommon finding. This case describes an unusual ossification in the maxillary region identified after head and neck radiotherapy. RESULTS: A 45-year-old female patient was submitted to maxillary surgical resection and orbital exenteration due to squamous cell carcinoma. Radiotherapy post-surgery was performed because of compromised surgical margins. After 4 months of the conclusion of radiotherapy, the patient presented a bone exposition at surgical site. Surprisingly, the oral examination and computed tomography revealed a new formation of the right palatine vault and bone formation filling the nasal and orbital cavity. The incisional biopsy discarded residual disease or osteoradionecrosis and showed normal tissue. CONCLUSIONS: To the best of the authors' knowledge, this is the first case of wide bone formation as an early effect of head and neck radiotherapy.[Abstract] [Full Text] [Related] [New Search]