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The rapid plasma reagin test (RPR test or RPR titer) is a type of rapid diagnostic test that looks for non-specific antibodies in the blood of the patient that may indicate an infection by syphilis or related non-venereal treponematoses. It is one of several nontreponemal tests for syphilis (along with the Wassermann test and the VDRL test).
After seroconversion, the antibody is detectable by standard techniques and remains detectable unless the individual seroreverts, in a phenomenon called seroreversion, or loss of antibody detectability, which can occur due to weakening of the immune system or decreasing antibody concentrations over time. Seroconversion refers the production of ...
The rapid plasma reagin (RPR) test uses the same antigen as the VDRL, but in that test, it has been bound to several other molecules, including a carbon particle to allow visualization of the flocculation reaction without the need of a microscope. Many other medical conditions can produce false positive results, including some viruses ...
In October, her illness recurred for the third time, and this time treatment required an above-elbow amputation of her dominant arm. Currently undergoing yet another round of chemotherapy ...
Lipoproteins released from treatment of Treponema pallidum infections are believed to induce the Jarisch–Herxheimer reaction. [3] The Herxheimer reaction has shown an increase in inflammatory cytokines during the period of exacerbation, including tumor necrosis factor alpha, interleukin-6 and interleukin-8. [5] [6]
"During that time, I received a 'normal' mammogram report every one of those years. The cancer was present, but because my breasts were so dense, the cancer could not be seen. The day my cancer ...
Excessive levels of alcohol consumption increase risk for six cancers, from head and neck, to stomach cancers, the report said. In the U.S., more than 5% of cancers were linked to alcohol ...
The fluorescent treponemal antibody absorption (FTA-ABS) test is a diagnostic test for syphilis.Using antibodies specific for the Treponema pallidum species, such tests would be assumed to be more specific than non-treponemal testing such as VDRL but have been shown repeatedly to be sensitive but not specific for the diagnosis of neurosyphilis in cerebrospinal fluid (CSF).