A 39 Y/O female is a case of marked wrist joint swelling, local heat, RA or local infectionMRI of right hand without enhancement shows:1. Increasing effusion within wrist with erosion and intercarpal joint space narrowing, moreover, diffuse edematous change of carpal bones, suggestive of RA change2. Mild collapsed of ulna3. Intact TFCC.4. No obvious inflammatory change of flexor and extensor tendons5. Unremarkable median nerveIMP:Increasing effusion within wrist with erosion and intercarpal joint space narrowing, moreover, diffuse edematous change of carpal bones, suggestive of RA change