Table 5

Discrepant cases and the diagnoses given in each report (n = 9)

Fluid diagnosisBiopsy diagnosis
HaemorrhageReactive arthritis
OsteoarthritisPrimary inflammatory arthritis
Non-inflammatoryInflammatory arthritis
Non-inflammatoryInflammatory arthritis
Non-inflammatoryPrimary inflammatory arthritis
Non-inflammatoryPrimary inflammatory/juvenile chronic arthritis
Haemarthrosis and seronegative arthritisOsteoarthritis
Non-inflammatoryPrimary inflammatory arthritis
Non-inflammatoryPrimary inflammatory arthritis