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Tophus (Latin) - Loose, porous volcanic rock
1 term shares this root
Tophus formation

A deposition of monosodium urate crystals in joints that causes it to become hard, large and hot, much like a "volcanic rock".

  • Tophus (Latin) - Loose, porous volcanic rock
  • Forma (Latin) - Form
  • Deposition of monosodium urate crystals with underlying high circulating levels of uric acid
  • Common locations of tophus formation include joints, cartilage, and bones
  • Pathognomonic for gout
  • Med literally loose, porous rocks or stone in Latin