16th September 2020

A 34-year-old woman presents with recent onset of a stiff and painful right knee

A 34-year-old woman presents with recent onset of a stiff and painful right knee, accompanied by non-specific lower back pain, which is worse in the morning. On examination, the doctor observes full-length swelling of a finger on her left hand, as well as redness of her eyes, with a slight discharge. 

What is the most likely diagnosis? Select ONE option only.