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Figure 6 | Pediatric Rheumatology

Figure 6

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

Figure 6

Anisotropic artifacts in US scans of wrists of JIA patients. a Dorso-ulnar longitudinal US scan of the wrist in a 14-year-old girl showing a normal large hypoechoic space (*) that was difficult to analyze due to anisotropy; mc5 = metacarpal 5. b Dorsal sagittal US scan showing a measurement (1) of the hypertrophic dorsal synovial recess of the radio-carpal joint. Due to anisotropy, it was difficult to differentiate between the hypoechoic synovial recess and the hypoechoic cartilage of the navicular bone. When the US beam was angled perpendicular to the surface of the cartilage, the interface between synovium and cartilage was visualized (arrow) as a small hyperechoic reflection.

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Pediatric Rheumatology

ISSN: 1546-0096