article · Radiology Case Reports
Osteosarcomas of the craniofacial bones account for less than 10% of all osteosarcomas. Primary osteosarcomas of the nasal cavity and paranasal sinus are rare localization (0.5%-8.1% of osteosarcomas occur in this site). Accordingly, we report a case of osteosarcoma arising de novo from the ethmoid bone in a 46-year-old female. Initially, she presented with headache, bilateral epistaxis, and postnasal drip. Biopsy revealed an osteosarcoma ethmoidal. The patient was treated by a neoadjuvant chemotherapy followed by surgical resection and radiotherapy.
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DOI: 10.1016/j.radcr.2023.01.055
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