Arthritis and osteoblasts. Osteoclast activity can be directly induced by osteoblasts through the RANK/RANKL mechanism. Lupus is a common collagen vascular disorder that can be present with severe arthritis. Other features of lupus include a skin rash, extreme photosensitivity, hair loss, kidney problems, lung fibrosis and constant joint pain. Gout is caused by deposition of uric acid crystals in the joint, causing inflammation. There is also an uncommon form of gouty arthritis caused by the formation of rhomboid crystals of calcium pyrophosphate known as pseudogout. In the early stages, the gouty arthritis usually occurs in one joint, but with time, it
Post-traumatic arthritis inflammatory arthritis, accounting for between 2 and 25% of all post-traumatic arthritis cases. There are reports about a connection between previous physical injury and inflammatory arthritis, such as rheumatoid arthritis or psoriatic arthritis. The symptoms of post-traumatic arthritis are similar to the ones occurring with osteoarthritis. General symptoms are stiffness, swelling, synovial effusion, pain, redness, tenderness, grinding, instability and intra-articular bleeding of the injured joint. As a result of this symptoms, post-traumatic arthritis often comes along with the loss of ability. Since post-traumatic arthritis usually occurs after injuring a joint, the risk of having post-traumatic arthritis after such an injury