Psoriatic arthritis psoriatic arthritis, and affect them symmetrically. Involvement of the spinal joints is more suggestive of psoriatic arthritis than rheumatoid arthritis. Osteoarthritis shares certain clinical features with psoriatic arthritis such as its tendency to affect multiple distal joints in an asymmetric pattern. Unlike psoriatic arthritis, osteoarthritis does not typically involve inflammation of the sacroiliac joint. Psoriatic arthritis sometimes affects only one joint and is sometimes confused for gout or pseudogout when this happens. There are five main types of psoriatic arthritis: The underlying process in psoriatic arthritis is inflammation; therefore, treatments are directed at reducing and controlling inflammation. Milder cases of
Septic arthritis maximal in this position. In peri-articular arthritis, pain only occurs when the joint is moved, and the lesion usually lies in one specific area around the joint. The most common joint affected is the knee. Hip, shoulder, wrist, and elbow joints are less commonly affected. Spine, sternoclavicular, and sacroiliac joints can also be involved. The most common cause of arthritis in these joints is intravenous drug use. Usually only one joint is affected. More than one joint can be involved if bacteria are spread through the bloodstream. For those with artificial joint implants, there is a chance of 0.86 to