Presentation
Left knee pain
Patient Data
Age: 25 years
Gender: Male
From the case:
Non-ossifying fibroma
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A cortical-based eccentric metadiaphyseal multiloculated lucent lesion with a sclerotic rim is seen at the posteromedial aspect of lower femur with an overlying smooth cortical bulge that shows focal thinning at its lower part.
Case Discussion
Plain x-rays show the characteristic appearance of non-ossifying fibroma. It is usually an incidental finding and asymptomatic. It is one of the skeletal “Don’t touch” lesions.
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