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Table 2 Pathological ultrasonographic findings in jointsa

From: Joint and tendon subclinical involvement suggestive of gouty arthritis in asymptomatic hyperuricemia: an ultrasound controlled study

Anatomical site and US findings

Hyperuricemic

(n= 100 joints)

Normouricemic

(n= 104 joints)

Pvalue

First MTP joint, n (%)

   Double contour sign

25 (25%)

0

<0.0001

Joint cavity widening

(synovial fluid/hypertrophy)

52 (52%)

25 (24%)

<0.0001

   Power Doppler signal

0

0

NS

   Bone erosion

12 (12%)

6 (5.7%)

NS

Knee, n (%)

   

Double contour sign

(femoral hyaline cartilage)

17 (17%)

0

<0.0001

Joint cavity widening

(synovial fluid/hypertrophy)

7 (7%)

2 (1.9%)

NS

  1. aUS, ultrasonographic; MTP, metatarsal-phalangeal joint; NS, not significant.