Question

which of the following findings is present in the spine with psoriatic arthritis? please select your answer... a marginal syndesmophytes b shiny corner sign c non - marginal syndesmophytes d bamboo spine

Explanation:

Psoriatic arthritis in the spine is characterized by non - marginal syndesmophytes. Marginal syndesmophytes are seen in ankylosing spondylitis. Shiny corner sign is related to other spinal pathologies not typical for psoriatic arthritis. Bamboo spine is a late finding of ankylosing spondylitis.

Answer:

C. Non - marginal syndesmophytes