*  Journal of Cytology (JOC)
Results: Cytohistological correlation was 81.94%. False positives were 5.56% and the false negative rate was 13.2%. Sensitivity ... The analysis of BRAF V600Emutation of the PTC cases were performed by real-time polymerase chain reaction. Results: The ... The diagnostic criteria for PTC are established but still there is a worrisome possibility of false positive and false-negative ... cytological and histological diagnosis of PTC with an eventual aim of analyzing the cause of false positive and false negative ...
  http://www.jcytol.org/showstats.asp?issn=0970-9371
*  XMRV test by Cooperative Diagnostics | Page 3 | Phoenix Rising ME / CFS Forums
Dr Coffin's response I asked him to explain his negative reaction to the offering of an XMRV test by Cooperative Diagnostics ... Should I expect false negative or false positive results? We have run over 400 samples without any false positives, giving us a ... I asked him to explain his negative reaction to the offering of an XMRV test by Cooperative Diagnostics and whether he doesn't ... 1. They do not say what the test is, nor provide any information to evaluate its accuracy, false positive, or false negative ...
  http://forums.phoenixrising.me/index.php?threads/xmrv-test-by-cooperative-diagnostics.655/page-3
*  3 Stocks Stopping the Presses -- The Motley Fool
The negative reaction from patients, doctors, insurers, and politicians was a result of KV trying to recoup those costs very ... But if proven false, or even mostly false, I would expect a sharp rebound.. You can watch the drama play out by adding the ... Rolling the dice on what's become a binary situation: Allegations of fraud have been made, which will either be true or false. ...
  https://www.fool.com/investing/general/2011/04/05/3-stocks-stopping-the-presses.aspx
*  US Consumerattorneys False Negative Reviews : April 2017
It can result in knee-jerk reactions and a severe backlash by users. Hence, lawyers in the Timeshare industry have to be very ... US Consumerattorneys False Negative Reviews We have helped hundreds of clients across the country with their timeshare ... Lawyers will obviously get tensed when they notice many negative reviews online. However, usconsumerattorneys negative reviews ... Sometimes, a negative review can crop up when a client has unreasonable expectations. At other times, clients can be nasty and ...
  http://usconsumerattorney.blogspot.in/2017/04/
*  US Consumerattorneys False Negative Reviews : May 2017
... then the responses and reactions are different. This is the reason why usconsumerattorneys Negative Reviews are still popular, ... US Consumerattorneys False Negative Reviews We have helped hundreds of clients across the country with their timeshare ... Some client Usconsumerattorneys negative reviews are as follows:. *Usconsumerattorney did not take their case seriously owing ... In addition, most Usconsumerattorneys negative are not backed by pieces of evidence to validate and verify it. ...
  http://usconsumerattorney.blogspot.in/2017/05/
*  Tubersol Dosage Guide - Drugs.com
False-Negative Reactions. Not all infected persons will have a delayed hypersensitivity reaction to a tuberculin test. ... False Positive Reactions. False positive tuberculin reactions can occur in individuals who have been infected with other ... Negative Reactions. An individual who does not show a positive reaction to 5 TU on the first test, but is suspected of being TB ... Impaired or attenuated cell mediated immunity (CMI) can potentially cause a false negative tuberculin reaction. Many factors ...
  https://www.drugs.com/dosage/tubersol.html
*  Thrombosis and subsequent recanalization of a ruptured intracranial aneurysm in 2 children, demonstrating the value of...
... and initial false-negative angiograms are reported. In both cases, the initial angiogram was of adequate technical quality and ... False Negative Reactions. Female. Humans. Intracranial Thrombosis / radiography*. Reproducibility of Results. Subarachnoid ... The cases of 2 children with true aneurysmal subarachnoid hemorrhages (SAHs) and initial false-negative angiograms are reported ... transient aneurysm sac thrombosis was the most likely explanation for the initial false-negative studies. It is particularly ...
  http://www.biomedsearch.com/nih/Thrombosis-subsequent-recanalization-ruptured-intracranial/20367338.html
*  Sentinel lymph node biopsy is unsuitable for routine practice in younger female patients with unilateral low-risk papillary...
False Negative Reactions. False Positive Reactions. Female. Humans. Lymph Nodes / pathology*, radionuclide imaging. Methylene ... false negative); and specificity = (true negative)/(true negative + false positive). All data were statistically analyzed using ... The false-negative rate (FNR) is the single most important quality item for the SLN technique. If a negative SLN biopsy could ... thus giving a false-negative rate of 38.9%, a negative predictive value of 61.1% (11/18), and an accuracy rate of 82.1% (32/39 ...
  http://www.biomedsearch.com/nih/Sentinel-lymph-node-biopsy-unsuitable/21888655.html
*  Levodopa, Carbidopa, and Entacapone (Professional Patient Advice) - Drugs.com
Includes: pharmacology, pharmacokinetics, contraindications, interactions, adverse reactions and more. ... False-negative reaction using glucose-oxidase tests for glucosuria; false-positive urine ketones; false diagnosis for ... Educate patient about signs of a significant reaction (eg, wheezing; chest tightness; fever; itching; bad cough; blue skin ... Of particular concern is the development of hypertensive reactions when levodopa is used with nonselective MAOI. Management: ...
  https://www.drugs.com/ppa/levodopa-carbidopa-and-entacapone.html
*  Otology Japan
... so false-positive reactions or false-negative reactions can occur with tuberculin tests. But both IGRAs use more specific M.Tb ... and/or is positive for polymerase chain reaction for M.Tb. However false-negative reactions can occur with these tuberculin ... Among the 54 cases with spontaneous nystagmus, the average length of hospitalization was shorter in patients with negative head ...
  https://www.jstage.jst.go.jp/browse/otoljpn/25/3/_contents/-char/en
*  Mastic adhesive - Answers on HealthTap
Testing with a blood test may identify these antibodies however; false negative reactions are fairly common. (testing may fail ... to identify this problem accurrately) . There have been reports of severe allergic reactions to latex and if you are latex ...
  https://www.healthtap.com/topics/mastic-adhesive
*  Tuberculin Skin Test (Mauntoux test):Principle, Procedure, Results and Limitations - microbeonline
False-Negative Reactions. A negative Mantoux test result usually signifies that the individual has never been exposed to M. ... The reasons for these false-negative reactions may include, but are not limited to, the following:. *Cutaneous anergy (anergy ... False-Positive Reactions. Some persons may react to the tuberculin skin test even though they are not infected with M. ... However, there are factors that may cause a false-negative result or diminished ability to respond to tuberculin even if the ...
  http://microbeonline.com/tuberculin-skin-test-mauntoux-testprinciple-procedure-results-limitations/
*  infiltrating ductal and lobular carcinoma of breast drug therapy 2000:2010[pubdate] *count=100 - BioMedLib™ search engine
False Negative Reactions. Female. Humans. Lymph Nodes / pathology. Lymphatic Metastasis. Middle Aged. Prognosis. Prospective ... CONCLUSION: Our results show that clinical nodal status is the main clinicopathological factor influencing the false-negative ... False Positive Reactions. Female. Humans. Protons. Reproducibility of Results. Sensitivity and Specificity ... tubular adenoma and phyllodes tumours and were mostly negative by (1)H-MRS, with an overall false positive rate was about 8%. ...
  http://www.bmlsearch.com/?kwr=infiltrating+ductal+and+lobular+carcinoma+of+breast+drug+therapy+2000:2010%5Bpubdate%5D&cxts=100&stmp=b1
*  First anniversary of the 'Science' XMRV paper: the ME Association sums up the position so far | ME Association
Each of these methods has potential shortcomings and may result in false positive and false negative reactions. ... None of these six research groups to report negative findings - which in the case of the UK included Professor John Gow, Dr ... Although a number of valid criticisms have been made about these XMRV negative studies, in particular the one from the CDC in ... Laboratory testing methods for XMRV include polymerase chain reaction (PCR) to detect the viral genome in tissue or peripheral ...
  http://www.meassociation.org.uk/2010/10/first-anniversary-of-the-science-xmrv-paper-the-me-association-summarises-whats-happened-so-far/
*  Interpretation Criteria for Comparative Intradermal Tuberculin Test for Diagnosis of Bovine Tuberculosis in Cattle in Maroua...
Anergy has been reported to cause false negative reactions during tuberculin skin test but the reasons are still poorly ... Excessively high sensitivity of tuberculin skin tests will generate false positive reactions during interpretations of test ... Delayed hypersensitivity reactions provoked by tuberculin injection can become established 3 to 6 weeks after exposure of the ... The appearance of a control colour band, for positive or negative assays, indicated that the test was working properly. ...
  https://www.hindawi.com/journals/vmi/2016/4834851/
*  Chemical test in mushroom identification - Wikipedia
Agaricus placomyces and Agaricus xanthodermus produce false negative reactions. Sometimes referred to as "Schaeffer's reaction ... Three results are expected with the iron salts tests: no change indicates a negative reaction; a color change to olive, green ... A positive reaction of Schaeffer's test, which uses the reaction of aniline and nitric acid on the surface of the mushroom, is ... "The Meixner test in the detection of alpha-amanitin and false-positive reactions caused by psilocin and 5-substituted ...
  https://en.wikipedia.org/wiki/Chemical_test_in_mushroom_identification
*  Randomized Controlled Trial on Visual Field Training - Full Text View - ClinicalTrials.gov
false positive reactions. false negative reactions. fixation, ocular. mean deviation. variability. program. software. glaucoma/ ... Difference in the percentage of false positives, false negatives, and fixation losses at the first and second exam between ... as measured by mean deviation between exams and greater reliability as measured by the standard unreliability indexes of false ...
  https://clinicaltrials.gov/ct2/show/NCT01669031
*  GMS | 54. Jahrestagung der Norddeutschen Orthopädenvereinigung e. V. | Validation of fluoroscopically controlled lumbar facet...
False negative reactions after verum could be found in 33% (44%), therefor 26% (32%) compared to placebo and 19% (26%) compared ... A patient reacts false negative if the pain diminution after LA application is lower than after placebo. ... A responder reacts false positive if the degree of effectiveness of the placebo-FJI is the same or better than the response to ... The responder-rate for sicca was 44% (47%), for placebo 46% (56%). 32% (21%) reacted false positive after sicca, after placebo ...
  http://www.egms.de/static/de/meetings/nov2005/05nov074.shtml
*  "Acylcarnitines in plasma and blood spots of patients with long-chain 3" by J. L. Van Hove, S. G. Kahler et al.
... false positive rate). High endogenous levels of long-chain acylcarnitines in normal erythrocytes reduced the diagnostic ... 3-Hydroxyacyl CoA Dehydrogenases; Carnitine; Erythrocytes; False Negative Reactions; Female; Genotype; Heterozygote; Homozygote ... false positive rate). High endogenous levels of long-chain acylcarnitines in normal erythrocytes reduced the diagnostic ...
  https://escholarship.umassmed.edu/peds_gastro/3/
*  Evaluation of four qualitative methods for detection of beta-lactamase production in Staphylococcus and Micrococcus species
... gave a large number of false negative and false positive results. False negative reactions were most common among uninduced ... gave a large number of false negative and false positive results. False negative reactions were most common among uninduced ... gave a large number of false negative and false positive results. False negative reactions were most common among uninduced ... while the false positive reactions were most often recorded for Staphylococcus saprophyticus. A high degree of efficiency was ...
  https://lup.lub.lu.se/search/publication/1104598
*  Pathology Associates Of Lexington, P.A.
causes of false negative reactions: *causes of proteinuria: posture changes, exercise, fever, and a vast variety of diseases, ... causes of false positive reactions: * with the IRIS system: * strongly basic/alkaline (pH 9 or higher) samples ... Our main hospital lab uses the 'Chemstrip IRIS' system for automated reading of test reactions. This method detects urine ...
  http://palpath.com/MedicalTestPages/proteinu.htm
*  Expansion of the Midwestern Focus for Human Granulocytic Anaplasmosis into the Region Surrounding La Crosse, Wisconsin
In addition, false-negative reactions were not problematic, since the unrelated extraction control DNA was detected in each of ... In addition, negative findings were considered valid only when the 94-bp region of the exogenous control (mouse hepatitis virus ... In support, false-positive results were unlikely since each PCR-positive patient had appropriate epidemiologic histories and ... However, previous efforts to document A. phagocytophilum in ticks collected from the region yielded negative findings, despite ...
  http://pubmedcentralcanada.ca/pmcc/articles/PMC3209085/?lang=en-ca
*  Food Allergy Testing
No Reaction. In most cases, no reaction means a food is safe for consumption. However, false negative reactions can occur. In ... No Reaction. In most cases, no reaction means a food is safe for consumption. However, false negative reactions can occur. In ... Information regarding reasons for unexpected negative or positive results follows:. False Negatives: If the allergen was not ... False Positives:False positives may occur as a result of cross-reactivity with other foods or proteins . The proteins are not ...
  http://www.askdrthomas.com/testing/food-allergy-testing/
*  PPT - Self-Study Modules on Tuberculosis PowerPoint Presentation - ID:85438
It is possible the TST reaction may be false-negative. Since it is currently impossible to tell whether she has TB infection ... Monitoring Adverse Reactions (4) *If patient has symptoms of a serious adverse reaction, HCW should: *Instruct patient to stop ... Adverse ReactionsStudy Question 4.13 How often should patients be evaluated for signs and symptoms of adverse reactions during ... Monitoring Adverse Reactions (3) *Patients should be educated about symptoms caused by adverse reactions to drugs ...
  https://www.slideserve.com/HarrisCezar/module-4-objectives
*  Test Methodology
False-negative reactions can occur due to exceeding linearity of reaction. Dilutions of suspected highly positive results are ... negative for disease 4, false positive 39, true negative Yes, positive for disease 33, true positive 37, false negative ... required to verify actual reaction. False-negative reactions are also due to... ... Sodium nitroprusside acetoacetic acid acetone lavender color False-positive reactions are due to medications such as L-dopa, ...
  https://www.clicktocurecancer.info/test-methodology/