Pigmented villonodular synovitis

Case contributed by Dr J. Ray Ballinger


Knee pain.

Patient Data

Age: 29
Gender: Male
Masses are noted in the joint space with focal areas of low signal on both T1 and T2 weighted sequences representing hemosiderin-laden macrophages within the nodules. Red arrows point out some of the nodules. The synovial lining, well seen on the axial images is also dark and thickened.

Case Discussion

Pigmented villonodular synovitis (PVNS) results from synovial proliferation and haemosiderin deposition. 

PlayAdd to Share

Case information

rID: 24618
Case created: 31st Aug 2013
Last edited: 18th Sep 2015
Inclusion in quiz mode: Excluded

Updating… Please wait.

Alert accept

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

Alert accept Thank you for updating your details.