Arthropathy -

Caused by the buildup of microscopic crystals in the joint, such as gout (uric acid) or pseudogout (calcium pyrophosphate).

Characterized by active inflammation, such as rheumatoid arthritis (RA) and spondyloarthropathies . arthropathy

Includes direct infections ( septic arthritis ) or inflammation triggered by an infection elsewhere in the body ( reactive arthropathy ). Caused by the buildup of microscopic crystals in

Non-inflammatory wear-and-tear of joint structures, most commonly osteoarthritis (OA) . most commonly osteoarthritis (OA) .