Joint as a result of aging and the deterioration of articular cartilage. Furthermore, there is emerging evidence that abnormal anatomy may contribute to early development of osteoarthritis. Other forms of arthritis are rheumatoid arthritis and psoriatic arthritis, which are autoimmune diseases in which the body is attacking itself. Septic arthritis is caused by joint infection. Gouty arthritis is caused by deposition of uric acid crystals in the joint that results in subsequent inflammation. Additionally, there is a less common form of gout that is caused by the formation of rhomboidal-shaped crystals of calcium pyrophosphate. This form of gout is known as
Post-traumatic arthritis Post-traumatic arthritis Post-traumatic arthritis (PTA) is a form of osteoarthritis following an injury to a joint. Post-traumatic arthritis is a form of osteoarthritis and the former can occur after the latter. However, post-traumatic arthritis can also occur after the development of chronic inflammatory arthritis. Generally, post-traumatic arthritis is classified in two groups: post-traumatic osteoarthritis and post-traumatic inflammatory arthritis. Post-traumatic osteoarthritis is the most common variation of post-traumatic arthritis. Between 20 and 50% of all osteoarthritis cases are preceded by post-traumatic arthritis. Patients having post-traumatic osteoarthritis are usually younger than osteoarthritis patients without any previous physical injuries. Less common is post-traumatic