What proportion of patients with psoriasis develop arthritis?

Test your knowledge

A 70-year-old female with psoriasis presents with a four-month history of worsening arthralgia. She mentions she has pain and stiffness in her big toes and most of her fingers.

On examination, a telescoping finger deformity is seen on her right second digit.

What proportion of patients with psoriasis develop accompanying arthritis?

  • 10%
  • 25%
  • 50%
  • 80%

You can check your answer under the image.

arthritis
Image credit: @Derminator.

Answer: Around 25% of patients with psoriasis may develop psoriatic arthritis. The exact proportion is hard to know because up to one-third of patients

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