There is no specific test to diagnose ankylosing spondylitis, but imaging by X-ray and MRI may show evidence of inflammation of the sacroiliac joint between the sacrum (the triangular bone at the lowest part of the back) and the ilium (the bone felt on the upper part of the hip). Some symptoms include:
Inflammatory back pain (gradual in onset, lasting over three months, with stiffness and pain that is worse in the morning and improved with movement)
Reduced mobility of the spine
Take your temperature.
Fever may accompany gout attacks.
the skin over the painful joint to see whether it is warm, tender, red, or
Check the skin over the affected joint for cuts that may
be a source of infection.
Feel the joint to assess
Check the range of motion of the affected
Examine your hands, elbows, feet, ankles, knees, and
earlobes for gritty, chalky clumps of
uric acid crystals called
If your medical history and physical exam clearly suggest that
you have gout, further testing may be postponed until treatment relieves pain
and swelling or until subsequent attacks occur.
If the diagnosis remains unclear after the history and physical
exam, your doctor may order a blood test to measure the
level of uric acid in your blood. He or she may also order a joint fluid aspiration test to examine
joint fluid for uric acid crystals.
Primary Medical Reviewer
Kathleen Romito, MD - Family Medicine
Specialist Medical Reviewer
E. Gregory Thompson, MD - Internal Medicine
July 9, 2010
WebMD Medical Reference from Healthwise
July 09, 2010
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