Abstract
Juvenile ossifying fibroma is a benign fibro-osseous neoplasm of mesenchymal origin that affects young individuals and has an aggressive clinical behavior with high rates of recurrence. A 5-year-old female patient presented intraosseous growth, approximately 1.5 cm in size, normochromic, hard in consistency, sessile, with painful symptoms and 1-month of evolution. Imaging examination revealed well-delimited hypodense lesion and buccal and lingual cortical expansion. The patient had already performed an incisional biopsy with ossifying fibroma diagnosis. Then, an excisional biopsy was accomplished in association with local bone curettage. Microscopic examination showed fusiform and oval mesenchymal cell proliferation. There was deposition of numerous bone trabeculae with varying degrees of maturation, exhibiting prominent osteoblastic paving. After 1 year, the patient is still on regular follow-up, with no signs of recurrence.
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