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Case 408 - Discussion

Uploaded: 2010-08-04, Updated: 2010-08-04

 

Gouty Tophus

 

  • Deposit of monosodium urate crystals within or around joints

  • HE: in formalin-fixed specimen, the crystals are dissolved and show amorphous pink areas that are surrounded by granulomatous reaction with microphages and foreign body giant cells.