Introduction: Rheumatoid arthritis (RA) is a chronic inflammatory disease of marked by a symmetric, peripheral polyarthritis. Bone erosion is an integral part of RA, our aim of this study is to find out that among digital radiography and ultrasosnography, which investigation picks up bone erosion more easily and earlier, thus picking up deformity earlier.

Methodology: It was cross-sectional study, conducted in the Rheumatology OPD of Medical College, Kolkata during a period of 1 year among 77 adult literate person. Digital radiography and ultrasonography of peripheral joints were done, and comparison was done to find out which modality detected the joint deformity earlier.

Results: In our study population usg was a better modality of imaging than digital radiography for detecting joint deformity in newly diagnosed RA patoent.

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Dr Raja Bhattacharya

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