Which of the following is the most common form of psoriatic arthritis?

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The most common form of psoriatic arthritis,with which 30% to 50% of patients are affected,is an asymmetric oligoarthritis that may involve both large and small joints.Dactylitis,arising as sausage digits,can be seen in fingers and toes and actually represents an enthesitis.In the second subset,there is selective targeting of the distal interphalangeal joints,seen in 10% to 15% of patients.The third subset has a symmetric polyarthritis that mimics RA in many ways except for the absence of rheumatoid nodules and rheumatoid factor.The fourth clinical variant is psoriatic spondylitis.Finally,arthritis mutilAnswer is a destructive,erosive arthritis that affects large and small joints.

Which of the Following Is the Most Common Form of Psoriatic