How was the diagnosis of your Behcet's syndrome made?
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How is Behçet's syndrome diagnosed?
Behçet's syndrome is diagnosed based on the finding of recurrent mouth ulcerations combined with any two of the following: eye inflammation, genital ulcerations, or skin abnormalities mentioned above.
A special skin test called a pathergy test can also suggest Behçet's syndrome. (The other criteria above are still required for ultimate diagnosis.) This test consists of pricking the skin of the forearm with a sterile needle. The test is called positive and suggests Behçet's syndrome when the puncture causes a sterile red nodule or pustule that is greater than two millimeters in diameter at 24 to 48 hours after the test.
Tests such as skin biopsy, lumbar puncture, MRI scan of the brain, and bowel tests are considered for individual patients based upon symptoms that are present.