Question

A 25-year-old man complains of chronic low back pain and morning stiffness that improves with exercise. X-ray shows sacroiliitis. Which diagnosis is most likely?

Accepted Answer

Ankylosing spondylitis

Answer

Rheumatoid arthritis

Answer

Osteoarthritis

Answer

Mechanical low back pain

Answer

Fibromyalgia

Practice question

A 25-year-old man complains of chronic low back pain and morning stiffness that improves with exercise. X-ray shows sacroiliitis. Which diagnosis is most likely?