Parosteal lipoma

Case contributed by Mohamed Abdel-Tawab Mohamed
Diagnosis almost certain

Presentation

Thigh swelling

Patient Data

Age: 50 years
Gender: Female
x-ray

A bony protrusion is seen at the medial aspect of the femur with surrounding large low-density lesion.

ct

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. 

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.