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Fig. 3 | Arthritis Research & Therapy

Fig. 3

From: Fluorescence optical imaging in pediatric patients with inflammatory and non-inflammatory joint diseases: a comparative study with ultrasonography

Fig. 3

Gray-scale (GSUS) and power Doppler (PDUS) ultrasonography findings in a 13-year-old patient with clinically active seronegative polyarthritis (group I). a GSUS synovitis grade 3 and PDUS activity grade 2 as a sign of active synovitis in the right wrist (radiocarpal and intercarpal joint). b GSUS synovitis grade 2 and PDUS activity grade 3 (≥50% of the intraarticular area) as a sign of active synovitis in the right PIP3 joint from dorsal. PIP proximal interphalangeal joint

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