In a patient with gouty arthritis, synovial fluid aspiration will show -
The definitive diagnosis of gout is made by examination of synovial fluid or tophaceous material with polarized light microscopy and identifying the characteristic monosodium urate crystals.
Monosodium Urate crystals
Calcium Pyrophosphate crystals
Mononuclear Leucocytosis
Polymorphonuclear Leukocytosis