Bizarre parosteal osteochondromatous proliferation

Case contributed by Luke Danaher


Painful enlarged bone lesion of the right 2nd toe.

Patient Data

Age: 60 years
Gender: Female

XR right foot


Osseous surface lesion of the medial aspect of the base of the 2nd proximal phalanx.
No apparent continuity with the medullary cavity.

Well-marginated, heavily marginally calcified lesion applied to the medial cortex of the 2nd proximal phalanx. 
Lesion contains fat.

Case Discussion

The lesion had increased uptake on NM SPECT scan.

Histologically proven BPOP.

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.