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10 Psoriatic Arthritis Symptoms
Dactylitis, or swelling in the fingers and toes, occurs in about 40% of patients with psoriatic arthritis. Because this symptom is much less common in other types of arthritis, it can help doctors distinguish between psoriatic arthritis and other conditions like rheumatoid arthritis.
Dactylitis is caused by inflammation of the entire tendon that runs along the fingers or toes. Such "sausage" toes or fingers can occur before someone even has joint problems.
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