Presentation
Male with leg pain
Patient Data
Age: 18 years
Gender: Male
From the case:
Non-ossifying fibroma
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Well defined cortical based metadiaphyseal lytic lesion.
Case Discussion
Non-ossifying fibromas (NOF) are the most common of non-neoplastic fibrous bone lesions and are a larger version (>3 cm) of a fibrous cortical defect; both are encompassed by the term fibroxanthoma or metaphyseal fibrous defect.