Thyroid FNAC: Causes of false-positive results

HIV false positive results and Flu vaccination

Abstract False positive results are the major problem influencing interpretation of Clinical Laboratory test. They are originated mostly in the other diseases, technical errors and the recent vaccination. The problem has been presented since 1991 is positive HIV test after influenza Vaccination (1). The False positive has been reported in Cases using Eliza, one of The most common test to screen...

Causes of false-positive HIV rapid diagnostic test results.

HIV rapid diagnostic tests have enabled widespread implementation of HIV programs in resource-limited settings. If the tests used in the diagnostic algorithm are susceptible to the same cause for false positivity, a false-positive diagnosis may result in devastating consequences. In resource-limited settings, the lack of routine confirmatory testing, compounded by incorrect interpretation of we...

1294Skin Microbiota Contamination Causes False Positive QuantiFERON-TB Results

Unusual false-positive results of whole-body 131I scintigraphy: Four different case scenarios

Post-treatment or diagnostic whole-body radioiodine scintigraphy is widely used to assess the residual, recurrence, or metastases of differentiated thyroid carcinoma because of the high sensitivity and accuracy that this assessment provides. While bearing in mind all the diagnostic potential of this test, we have to consider its’ potential pitfalls, as well. Herein, we present 4 patients with d...

Neonatal Cryptococcosis: Beware of False-positive Results.

Although cryptococcal meningitis is uncommon in children and rare in neonates, it does occur. We highlight circumstances in which the diagnosis should be considered and methods required to confirm the diagnosis in young patients.