Villous sinovitis and cartilage atrophy. The arrow points to an area of the synovial capsule where small villosities, indicative of chronic joint inflammation, can be seen. These are a result of exsudate organization. The joint surface is pink, indicating reduced thickness and allowing visualization of the underlying bone and its vascularisation.

 

 



 
 
 
 
 

 

 
 
  
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