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Ontology Browser

Term:
Positive pathergy test (HP:0025532)
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Parent Terms Term With Siblings Child Terms
Harlequin phenomenon 
Impaired stimulus-induced skin wrinkling 
Inflammatory abnormality of the skin +   
Positive pathergy test  
With the pathergy test, a small, sterile needle is inserted into the skin of the forearm. The site of injectionis circuled and observed after one and two days. If a small red bump or pustule at the site of needle insertion occurs, the pathergy test is considered to have a positive (abnormal) result.
Pruritus +   
Unusual skin infection +   

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