If gout is suspected, the primary diagnostic method is a joint fluid test, in which a sample of synovial fluid is taken from the affected joint and examined with a microscope for the presence of monosodium urate (MSU) crystals.
How is gout diagnosed?
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•Last Updated: May 16, 2025
Gout is diagnosed primarily by examining a joint fluid sample under a microscope for the presence of monosodium urate crystals.