Case contributed by Iqbal Naseem
Diagnosis probable


A middle-aged female presented with gradually increasing swelling over the right upper thigh

Patient Data

Gender: Female

Radiographs of the pelvis showing a large exophytic growth arising from right iliac bone with chondroid matrix.

Case Discussion

Chondrosarcoma is a cartilaginous origin tumor which typically arises in adult patients, and pelvic involvement is not uncommon.

This case, which likely arose from an osteochondroma, shows the characteristic "rings and arcs" pattern of calcification.

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.