Factors impacting the results of interferon-γ release assay and tuberculin skin test in routine screening for latent tuberculosis in patients with inflammatory bowel diseases

2011 ◽  
Vol 17 (1) ◽  
pp. 84-90 ◽  
Author(s):  
Pavol Papay ◽  
Alexander Eser ◽  
Stefan Winkler ◽  
Sophie Frantal ◽  
Christian Primas ◽  
...  
Keyword(s):  
Tuberculin Skin Test ◽  
Skin Test ◽  
Inflammatory Bowel Diseases ◽  
Latent Tuberculosis ◽  
Interferon Γ ◽  
Routine Screening ◽  
Bowel Diseases ◽  
Release Assay ◽  
Inflammatory Bowel

Utility of an Interferon-γ Release Assay for Latent Tuberculosis Diagnosis in a Case of Bullous Pemphigoid

2009 ◽  
Vol 13 (5) ◽  
pp. 280-282 ◽  
Author(s):  
Alfred Goodfellow ◽  
Douglas N. Keeling ◽  
Robert C. Hayes ◽  
Duncan Webster
Keyword(s):  
Tuberculin Skin Test ◽  
Bullous Pemphigoid ◽  
Skin Test ◽  
Latent Tuberculosis Infection ◽  
Latent Tuberculosis ◽  
Interferon Γ ◽  
Tuberculosis Infection ◽  
Mycobacterium Tuberculosis Infection ◽  
Cutaneous Disease ◽  
Release Assay

Background: With increasing use of immunosuppressive therapy, including tumor necrosis factor a inhibitors, there is concern about infectious complications, including reactivation of latent Mycobacterium tuberculosis infection. Routine testing prior to administration of systemic immunosuppression includes the tuberculin skin test, which lacks sensitivity and specificity and may be difficult to interpret in the presence of extensive cutaneous disease. Treatment of individuals with latent tuberculosis infection is recommended when immunosuppressive medications are to be employed. Observations: We report a case in which a diagnosis of latent tuberculosis infection in a patient with extensive bullous pemphigoid was clarified by the use of an interferon-γ release assay after equivocal tuberculin skin test results. Conclusion: Interferon-γ release assays are useful adjuncts to the tuberculin skin test in the diagnosis of latent tuberculosis infection in the setting of extensive cutaneous disease.

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