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Fig. 1 | BMC Rheumatology

Fig. 1

From: Ultrasound detects synovitis in replaced and other surgically operated joints in rheumatoid arthritis patients

Fig. 1

Synovitis detectable by ultrasound of the lateral knee. Left column, Power Doppler ultrasound (PDUS) and grayscale ultrasound (GSUS) of replaced joint, Grade 3 (severe synovitis). Middle column, PDUS and GSUS of native joint, Grade 0 (no synovitis). Right column, PDUS and GSUS of native joint, Grade 3 (severe synovitis). Yellow star indicates the location of the prosthesis

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