Juvenile Trabecular Ossifying Fibroma

Abstract

Benign fibro-osseous lesions within the maxillofacial region represent a heterogeneous group of benign entities with overlapping histologic features. Ossifying fibroma, the rarest of these entities, represents a true neoplasm. Juvenile ossifying fibroma (JOF) is considered an aggressive rapidly growing sub-type. It tends to occur in the first or second decades of life. Based on histological and clinical features it can further be classified into two variants, namely juvenile trabecular ossifying fibroma (JTOF) and juvenile psammomatoid ossifying fibroma (JPOF). JTOF features a proliferation of cellular fibroblastic tissue admixed with woven bone trabeculae with varying histologic presentations. Correlation with clinical and radiographic features is essential to differentiate it from other fibro-osseous lesions. A case of JTOF of the mandible is exemplified in this Sine Qua Non Radiology-Pathology article.

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