Crystal arthritis: a clinician's view.Aust Fam Physician. 1991 Dec; 20(12):1717-24.AF
Arthritis, which can be acute, chronic or asymptomatic, is caused by a variety of crystal deposition in joints. The three main types of crystal arthritis are monosodium urate (gout), calcium pyrophosphate dihydrate, and calcium phosphate (usually hydroxyapatite). A clinical approach to diagnosis and management.