Tests and diagnosis
No tests can determine definitively whether or not you have Behcet's disease. Instead, your doctor relies primarily on your signs and symptoms to diagnose Behcet's disease. Your doctor may conduct blood tests or other laboratory tests to rule out other diseases and conditions
Criteria have been established for the diagnosis of Behcet's disease, but these aren't always essential for the diagnosis of the disease. Your doctor may use other factors for your diagnosis. The classification criteria require mouth sores that recur three times in one year
In addition, you must meet two of the following criteria
:
Genital sores. Sores that recur may indicate Behcet's disease
Eye problems. An ophthalmologist can identify signs of inflammation in
your eyesSkin sores. A variety of rashes or acne-like sores may be
caused by Behcet's disease
Positive pathergy test. In a pathergy test, your doctor inserts a sterile needle into your skin and then examines the area two days later. If the pathergy test is positive, a small red bump forms under your skin where the needle was inserted. This indicates your immune system is overreacting to the minor injury
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