Crystal arthropathy

Crystal arthropathy

Crystal arthropathy
Classification and external resources
ICD-10 9 712

Crystal arthropathy refers to a type of arthropathy characterized by accumulation of crystals in joints. Polarizing microscopy and application of other crystallographic techniques have improved identification of different microcrystals including monosodium urate, calcium-pyrophosphate dihydrate, calcium hydroxyapatite, and calcium oxalate.[1]

Types include:

Name Substance Birefringence
Gout[2] accumulation of uric acid negative
Chondrocalcinosis[3] aka Pseudogout accumulation of calcium pyrophosphate positive

Risk Factors


Differential Diagnosis