Pigmented villonodular synovitis - knee

Case contributed by Dr Bahman Rasuli


Left knee pain.

Patient Data

Age: 35
Gender: Male

Extensive villous shaped synovial thickening along with hemosiderin staining and low signal on both T1 and T2 weighted sequences in the expanded joint space are seen. Blooming artifact also is present in the synovium. 

There are also erosions of the adjacent bones, subchondral bone marrow edema, and cystic changes. 

Case Discussion

This case shows the typical appearances of pigmented villonodular synovitis (PVNS) of the knee. 

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Case information

rID: 62831
Published: 9th Sep 2018
Last edited: 9th Sep 2018
Inclusion in quiz mode: Included

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