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Table 5 Conformity of MRI and US findings in areas examined 1 in 8 joints of healthy controls

From: Comparison of ultrasonography with Doppler and MRI for assessment of disease activity in juvenile idiopathic arthritis: a pilot study

    Number of areas with conformity
  Joint Area Synovial hypertrophy Synovial contrast enhancement or hyperemia Effusion Erosion
    n     
  Ankle talo-crural 2 2 2 2 2
  n = 2 talo-navicular 2 2 2 2 2
   post. subtalar 2 2 2 2 2
   tendon sheaths 2 2 2 2 n/a
  Knee anterior 3 3 3 2 3
  n = 3 lateral 3 3 3 2 3
   medial 3 3 3 2 3
   Baker’s cyst 3 3 3 3 n/a
  Wrist radio-carpal 3 3 3 2 3
  n = 3 midcarpal 3 3 3 3 3
   dist. radio-ulnar2 - - - - -
   tendon sheaths 3 3 3 2 n/a
Total 8   291 29 29 24 21
  1. 132 areas examined by MRI, 29 areas examined by US.
  2. 2Distal radio-ulnar joint examined by MRI only, not by US.
  3. n/a = non applicable.