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Figure 2 | Arthritis Research & Therapy

Figure 2

From: Imaging modalities in hand osteoarthritis - status and perspectives of conventional radiography, magnetic resonance imaging, and ultrasonography

Figure 2

Ultrasonography of the 2nd proximal interphalageal joint. The joint is visualized in sagittal (a,c) and axial (b,d) scans. In a gray-scale image (a), proximal and distal osteophytes are visible (arrows). Gray-scale synovitis is visible in both sagittal (a) and axial (b) planes (arrowheads). Power Doppler signal is visible in (c) and (d).

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