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[RA] Erosions and synovitis

Patient Positioning

Patient seated in front of the examiner, hand palm down resting on a examination table.

Probe Positioning

Place the transducer on longitudinal planes over the joints and digits of interest. Do not use any pressure - especially while looking for effusion or using doppler mode.

Note: erosion of metacarpal head in rheumatoid arthritis with positive doppler signal
Note: active erosion of the metacarpal joint in a patient with rheumatoid arthritis with positive doppler signal.
Note: mild synovitis and subluxation of the mcp joint in a patient with RA.
Note: active synovitis with effusion, synovial proliferation and doppler signal of the mcp joint in a patient with RA.

Erosion of the metacarpal head in 3d ultrasound in a patient with rheumatoid arthritis (static illustration). The 3d examination shows the erosion in three different axis and allows different visual illustration, which can be used for diagnosis and follow-up.

Erosion in the 5th metacarpal head in rheumatoid arthritis

Note: erosion in the 5th metacarpal head in rheumatoid arthritis