Overview of Crystal-Induced Arthritides

Arthritis can result from intra-articular deposition of crystals:

• Monosodium urate

• Calcium pyrophosphate dihydrate

• Rarely, others such as calcium oxalate crystals

Definite diagnosis requires synovial fluid analysis

Crystal-induced arthritides include the following:

• Gout

• Calcium pyrophosphate arthritis

• and calcium oxalate crystal deposition disease