Table 2.

Classification of ankle gouty arthritis and corresponding surgical procedures

Type	Description	Procedures	N (%)
I	Synovial hyperplasia	Synovium removal	5 (9.8)
II	Periarticular MSU crystal deposits	Crystal deposition debridement, osteophyte removal, and ligament repair	24 (47.1)
III	MSU crystal deposits on the cartilage surfaces
III A	Spotty deposits	Scraping off damaged cartilage	5 (9.8)
III B	flaky deposits	Selective scraping of damaged cartilage	6 (11.8)
IV	Subchondral deposits of the talus	Clearing unstable cartilage and MSU crystal deposits	11 (21.6)
Total ankles			51