Table 1 Characterization of synovial fluid

White blood cells (cells/μL)

6715

18,000

12,130

Lymphocytes (%)

17

4

2

Neutrophil (%)

72

75

92

Histiocytes (%)

11

21

5

Bacteria culture

negative

negative

negative

Fungal culture

negative

n/a

n/a

AFB culture

negative

n/a

n/a

Crystals

Intra and extracellular CPPD

Intra and extracellular CPPD

Intra and extracellular CPPD