32 year old man presented with right knee pain and swelling. He also complained of UTI that didn’t respond to Cephalexin and Augmentin. His Synovial fluid analysis revealed the following:

Volume 15 ml

Colour: Transparent yellow

Cell count: 18700

Polymorphs: 78%

Mononuclears: 22%

Crystals: Non

Gram stain: No bacteria seen

Questios:

Explain these findings?