*Deposition of<unk> s in joints *Calcium pyrophosphate dihydrate<unk>  formation: *Increased production of inorganic pyrophosphate *Decreased levels of pyrophosphatase in cartilage *Decreased levels of cartilage glycosaminoglycans *Hyperparathyroidism *Hemochromatosis *Hypophosphatasia *Hypomagnesemia *Hydroxyapatite deposition: *Tissue damage *Hyperparathyroidism *Hypercalcemia *Hyperphosphatemia *Calcium oxalate deposition: *Enhanced production of oxalic acid due to enzyme defect *Poor excretion of oxalic acid in kidney failure *Excessive ascorbic acid intake in kidney failure
Crystal arthropathy
Jaccoud arthropathy
Facet joint arthrosis
Enthesitis
Glossitis
Neuropathic arthropathy
Compression arthralgia
Inflammatory arthritis