WebCryptococcosis can occur as a primary disease or secondary to immunosuppression. Cryptococcus most commonly infects the lungs, central nervous system (CNS), skin, … WebTY - JOUR. T1 - False-negative serum cryptococcal lateral flow assay result due to the prozone phenomenon. AU - Lee, Gar Hing. AU - Arthur, Ian

Case Report: False Negative Serum

WebSep 28, 2024 · Infections by the basidiomycete yeast Cryptococcus neoformans are life-threatening diseases claiming more than 600,000 lives every year. The most common manifestation is cryptococcal meningitis in AIDS patients. ... A prozone effect as cause of false negativity was excluded in the respective CSF by repeated measurements with … WebJan 5, 2024 · Cryptococcal pneumonia is a fungal infection caused by Cryptococcus neoformans predominantly in immunosuppressed individuals and rarely in the immunocompetent population. In this study, we describe the varied radiological presentations in three patients, both immunosuppressed and immunocompetent … pta salary north carolina

National Center for Biotechnology Information

WebMeningitis is the inflammation of these meninges, and it can happen because of a bacterial, viral, or fungal infection. Cryptococcal meningitis increases the pressure inside your skull and can ... WebThe detection of cryptococcal capsular antigen (CrAg)is very sensitive and specific, however false-negative ... load; prozone reaction due to high antigen titers; presence of im-munocomplexes preventing release of glucuronoxilomanan-antigen; samples transported in inappropriate vials; or hypocapsular or acap- WebNov 30, 2009 · The prozone effect (also known as high dose-hook phenomenon) is defined as false-negative or false-low results in immunological reactions, due to an excess of either antigens or antibodies [ 11 ]. It occurs particularly in one-step immunoassays, such as agglutination tests, for which serial dilutions are advised to trace the effect [ 12 ]. pta salary in texas