Last Updated on February 27, 2019 by
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.
A. 10%
B. 25%
C. 50%
D. 80%
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