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Table 1 CT or MRI features and pathological basis of 13 patients

From: Computed tomography and magnetic resonance imaging findings in gouty arthritis involving large joints of the upper extremities

Image feature

n

%

Pathology

Tophi

14

100

Urate crystals

Joint fluid

8

57

Effusion

Narrowing of joint space

5

36

Urate crystals form tophi and erosion of the cartilage

Intraarticular bone erosion

4

29

Urate crystals form tophi and erosion of the bone

Swelling of surrounding soft tissue

14

100

Soft tissue edema