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Figure 3 | Arthritis Research & Therapy

Figure 3

From: Ultrasonography, magnetic resonance imaging, radiography, and clinical assessment of inflammatory and destructive changes in fingers and toes of patients with psoriatic arthritis

Figure 3

(a) Bone cortex defect (arrows) on ultrasonography in a 63-year-old healthy control person on the radial side of the 3rd proximal interphalangeal joint in a longitudinal view. (b) The corresponding transverse view. (c) The coronal T1-weighted magnetic resonance image without contrast administration reveals no erosion-like changes in the same person at the corresponding site (arrows). IP, intermediate phalanx; PP, proximal phalanx.

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