Presentation
Thigh swelling
Patient Data
Age: 50 years
Gender: Female
From the case:
Parosteal lipoma
Frontal
A bony protrusion is seen at the medial aspect of the femur with surrounding large low-density lesion.
From the case:
Parosteal lipoma
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Scout
Juxta-cortical fatty mass with variable septations. Related bony protrusion is seen with adjacent cortical thickening.
Case Discussion
Parosteal lipomas are rare. They are composed of fat and have a close relation to bone with hyperostosis of cortex but no medullary invasion. The most common sites are the femoral, radial and humeral shafts.
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