Pitfalls in patch testing.
Patch testing is an invaluable diagnostic tool in the evaluation of allergic contact dermatitis. While TrueTest has simplified the technique for many practitioners, there remains potential for error. We asked 4 experts to describe their approach to several dilemmas encountered in patch testing. Their responses will be helpful to both the veteran and tyro.
Elston
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D
Department of Dermatology, Brooke Army Medical Center/Wilford Hall Medical Center, Fort Sam Houston, TX, USA.
Licata
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A
Rudner
E
E
Trotter
K
K
D015982:Bias; D002980:Climate; D017449:Dermatitis, Allergic Contact / Q000175:diagnosis* / Q000209:etiology*; D005188:False Negative Reactions; D005189:False Positive Reactions; D006801:Humans; D010328:Patch Tests / Q000009:adverse effects / Q000295:instrumentation / Q000379:methods*; D015203:Reproducibility of Results; D013997:Time Factors