Pathergy test
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Revision as of 11:31, 18 February 2022 by Aidan (talk | contribs) (Created page with "== Background == * A test used in the diagnosis of Behçet disease == Procedure == * Insert small, sterile needle into skin of the forearm * Circle area of needle inser...")
Background
- A test used in the diagnosis of Behçet disease
Procedure
- Insert small, sterile needle into skin of the forearm
- Circle area of needle insertion
- Assess area at 24 hours
- Assess area at 48 hours
Interpretation
- Positive test is a small red bump or pustule at the site of needle insertion one to two days later
- Suggestive of Behçet disease, though not sensitive nor specific
