Review Question - QID 217955

A 42-year-old female with a past medical history significant for rheumatoid arthritis presents to your office with complaints of long-standing right elbow pain. She follows with her rheumatologist for management of her disease-modifying anti-rheumatoid drugs. She complains of diffuse joint pain and swelling. On examination, she has a large joint effusion, elbow flexion arc of 50°, and crepitus with forearm rotation. She demonstrates an inability to extend the thumb on neurovascular testing. Her elbow radiograph reveals some radiocapitellar arthritis. An MRI reveals a large synovitis encircling the radial head and neck. If the patient is to undergo synovectomy with radial head resection, which of the following would be the most likely complication following this procedure?