Diagnosing psoriatic arthritis can be a tricky process because its symptoms frequently mimic those of other forms of arthritis, such as rheumatoid arthritis (RA)
The diagnosis is made mostly on a clinical basis and by a process of elimination. Medical history, physical examination, blood tests, MRIs and X-rays of the joints that have symptoms may be used to diagnose psoriatic arthritis.. The rheumatoid factor is not usually found in the blood of psoriatic arthritis patients.
It's important that psoriatic arthritis is diagnosed early so treatment can be started as soon as possible. There's no specific test for psoriatic arthritis, but the .
Blood tests can also help rule out gout and osteoarthritis. If you have psoriatic arthritis, tests may show high levels of inflammation or mild anemia. None of these signs and symptoms alone can confirm psoriatic arthritis. Your doctor must examine all the evidence to confirm the diagnosis.
Psoriatic arthritis symptoms and signs include joint pain, toe and finger swelling, nail pitting, and conjunctivitis. Learn more about psoriatic arthritis treatment, .