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  • Title: Aggressive ossifying fibroma of right ethmoidal sinus: A case report.
    Author: Alghonaim Y, ALRashed ALHumaid S, Arafat A.
    Journal: Int J Surg Case Rep; 2018; 53():513-516. PubMed ID: 29373206.
    Abstract:
    BACKGROUND: Ossifying fibroma is a rare benign fibro-osseous lesion seen in the bones of the head and neck area. It is mostly found in the mandible followed by the maxilla and rarely in the paranasal sinuses along with the orbit and skull bones. CASE PRESENTATION: A 30-year-old male patient presented with headache and incidental finding of a right ethmoidal sinus ossifying fibroma by paranasal-sinuses CT scan and MRI of the face. A flexible fiber-optic nasal endoscopy examination revealed a right side fullness. A non-contrasted CT scan of the paranasal sinus showed hyperdense lesion at the right ethmoid air cells. Functional endoscopic sinus surgery was performed and multiple nasal-mass biopsies were taken which showed fibro-osseous lesion most consistent with aggressive ossifying fibroma. Later, a near total resection of skull base tumor by endoscopic surgery was done and patient was discharged next day in a good condition. CONCLUSION: Ossifying fibroma is a rare lesion found in the head and neck area and it is unusual to be found in the paranasal sinuses. Thus crucial attention to the clinical, radiographical and histopathological examination should be taken for more accurate diagnosis and thus appropriate management.
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