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Table 4 US diagnosis of synovial hypertrophy and hyperemia 1 week and 4 weeks after US-guided injection of corticosteroids

From: Ultrasonography and color Doppler in juvenile idiopathic arthritis: diagnosis and follow-up of ultrasound-guided steroid injection in the wrist region. A descriptive interventional study

   1 week post-injection 4 weeks post-injection
Compartments Number injected Synovial hypertrophy Synovial hyperemia Synovial hypertrophy Synovial hyperemia
Radio-carpal joints 12 6/12 (50%) 3/12 (25%) 2/12 (17%) 1/12 (8%)
Midcarpal joints 5 3/5 (60%) 0/5 (0%) 1/5 (20%) 1/5 (20%)
Tendon sheaths 4 0/4 (0%) 0/4 (0%) 0/4 (0%) 0/4 (0%)
All compartments 21 9/21 (43%) 3/21 (14%) 3/21 (14%) 2/21 (9%)