A 29-year-old man complains of back pain for several months. It takes him over 2 hours to limber up in the morning. His x-ray is shown in Figure given below. Which of the following is the most likely diagnosis?
The x-ray reveals typical evidence of sacroiliitis, with widening of the joints, sclerosis, and evasions. Similar findings can be seen in psoriatic and enteropathic spondyloarthropathy.
RA
spondylolisthesis
osteomalacia
ankylosing spondylitis
Immunology and Rheumatology