<unk><unk>  is diagnosed based on the clinical presentation with supporting laboratory evidence. The gold standard for<unk>  of<unk><unk>  include spondyloarthritis and clear evidence of preceding infection by culture or polymerase chain reaction.
Reactive arthritis diagnosis
Septic arthritis laboratory findings
Ankylosing spondylitis physical examination
Bone or cartilage mass imaging
Reactive arthritis physical examination
Undifferentiated connective tissue disease physical examination
Psoriatic arthritis physical examination
Polymyalgia rheumatica physical examination