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Table 2 Detection of bone changes, visualized and scored with ultrasonography, by other imaging methods

From: Ultrasonography of the metacarpophalangeal and proximal interphalangeal joints in rheumatoid arthritis: a comparison with magnetic resonance imaging, conventional radiography and clinical examination

  

Bone erosions on MRI

Bone erosions on CR

No bone erosions on MRI and CR

US grades

Grade 1 (n = 16)

2

0

14

 

Grade 2 (n = 55)

32

17

20

 

Grade 3 (n = 26)

18

18

6

  1. CR, conventional radiography; MRI, magnetic resonance imaging; US, ultrasonography.