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Ultrasound: PIP synovitis

Real-time dorsal longitudinal view of proximal interphalangeal (PIP) joint. Power Doppler signal is detected in 50% of the hypoechoic area of synovitis bounded by the proximal and middle phalanx below (hyperechoic white lines) and the extensor tendon above (thin linear structure).

Ultrasound in rheumatology

Read our Topical Reviews report on the applications and value of ultrasound in the assessment and treatment of musculoskeletal conditions

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