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A new strategy proposed by an international team of experts would limit the use of the prostate-specific antigen (PSA) test for screening for prostate cancer to men who are younger [...]

A test that uses a single drop of dried blood to detect HIV, hepatitis B virus, and HCV has been validated and is now in use in some high-risk settings [...]

ANNUAL PROSTATE CANCER screening may be particularly important for Black men, new data suggest. The data come from a review of 45,834 veterans (aged 55-69 years) who had been diagnosed [...]

Cases of early-stage prostate cancer could be missed because official guidelines and health messaging place a misleading emphasis on urinary symptoms, according to experts. Researchers from the University of Cambridge [...]

CHICAGO--New guidelines on prostate-specific antigen testing issued by the American Urological Association support the continued use of the test in conjunction with digital rectal examination as a strategy for detecting [...]

Studies of topical microbicides are still in the early stages, but the development of these products, which may have the potential to protect women against HIV and other sexually transmitted [...]

WASHINGTON -- Preliminary data from two large prostate cancer screening trials suggest that annual exams may not be necessary for all men. Early data from the European Randomized Study of [...]

Gieseker KE, Roe MH, MacKenzie T, Todd JK. Evaluating the American Academy of Pediatric diagnostic standard for Streptococcus pyogenes pharyngitis: Backup culture versus repeat rapid antigen testing. Pediatrics 2003; 111:e666-e670. [...]

A 49-YEAR-OLD MAN HAD A PARTIAL PHYSICAL EXAM and a prostate-specific antigen test. He complained of urinary problems, including frequent urination and a weak stream. The patient didn't complete the [...]

CHICAGO -- A strategy of active surveillance was associated with low prostate cancer mortality in a long-term study of 453 men with a favorable disease risk profile at baseline. The [...]

Q There seems to be conflicting reports on how early ring infiltrates appear in Acanthamoeba keratitis (AK). Are they only possible weeks or months into the infection, or can they [...]

Thanks to public health programs aimed at stepping up screening efforts, considerable progress has been made in the United States regarding the early detection of prostate cancer, and our 5-year [...]

Two large prostate cancer screening trials led to different conclusions about the disease's impact on mortality: One found that screening reduces prostate cancer deaths by 20%, and the other found [...]

A SCREENING PROSTATE-SPECIFIC ANTIGEN (PSA) TEST ordered for a 76-year-old man by his primary care physician was within normal limits at 3.1. Two years later, the patient saw a urologist, [...]

Prostate-specific antigen (PSA) levels may be lower in obese men, compared with men of normal weight, which may lead to delays in the diagnosis of prostate cancer and to the [...]

In a 'focused update' of its 2002 guidelines on the subject, the US Preventive Services Task Force (USPSTF) recommends against screening for prostate cancer in men 75 and older. Furthermore, [...]

ORLANDO--Prostate cancer was detected in almost 20% of men 45 years or younger with elevated levels of prostate-specific antigen in an Austrian study, and a substantial number of the prostate [...]

ORLANDO -- Baseline prostate-specific antigen screening for men at age 40, replacement of a specific PSA cutoff value with % continuum of risk assessment,' and a new emphasis on tracking [...]

SAN FRANCISCO -- Men diagnosed with prostate cancer in the era of prostate-specific antigen screening and treated with radical prostatectomy are unlikely to die of the disease, even if they [...]

SAN FRANCISCO -- Men older than 65 years are much more likely to die of something other than prostate cancer, even if they have high initial prostate-specific antigen levels, researchers [...]

A 'relatively inexpensive test' commonly used by rheumatologists in patients with suspected RA could help primary care providers identify the disease earlier, making swift, effective treatment possible. British researchers, represented [...]

KEYSTONE, COLO. -- New tests that detect latent tuberculosis infection by quantifying interferon-y released from sensitized lymphocytes in whole blood may be a big step toward the elimination of TB, [...]

ORLANDO -- For the first time since the advent of widespread prostate-specific antigen screening, the number of early-stage prostate cancers being identified has begun to level off, Dr. Eric A. [...]

ATLANTA -- The problem of over-diagnosing prostate cancer because of PSA screening is grossly exaggerated, and in fact, the opposite is true, as underdiagnosis continues to be a much greater [...]

ATLANTA -- A single prostate-specific antigen screening measurement of 3 ng/mL or higher is sufficient to justify a biopsy of the prostate without a repeat measurement of the PSA, researchers [...]

ATLANTA -- A prostate-specific antigen velocity threshold of approximately 0.4 ng/mL a year is a useful predictor of prostate cancer risk in men under the age of 60 years who [...]

CHICAGO -- Despite recommendations to the contrary, prostate-specific antigen screening is being performed in many elderly men who are not in good health and have limited life expectancies. That conclusion [...]

Chicago -- Despite recommendations to the contrary, prostate-specific antigen screening is being performed in many elderly men who are not in good health and have limited life expectancies. That conclusion [...]

A Prostate cancer-screening strategy using complexed prostatespecific antigen rather than total PSA would reduce the occurrence of needless biopsies without compromising sensitivity, according to a series of analyses that compared [...]

SAN FRANCISCO -- Among men with early-stage prostate cancer who choose watchful waiting as their primary treatment strategy, the rate of rise in prostate-specific antigen level is more predictive of [...]

SAN FRANCISCO -- A management strategy described as 'active surveillance with delayed intervention' for men with low-risk, early-stage prostate cancer can identify those patients whose cancer growth warrants aggressive intervention [...]

ASPEN, COLO. -- Rapid antigen detection tests have a high false-negative rate, and cannot be relied upon to diagnosis strep throat without a confirmatory throat culture, according to S. Michael [...]

Overweight and obese men aged 50 years and older in the United States were significantly more likely to have had a prostate-specific antigen test than men of healthy weight, reported [...]

McNaughton-Collins M, Fowler FJ, Caubet JF, et al. Psychological effects of a suspicious prostate cancer screening test followed by a benign biopsy result. Am J Mad 2004; 117:719-725. * Clinical [...]

A test that detects Helicobacter pylori antigens in stool shows an accuracy comparable to other trials that have studied stool tests. A total of 75 patients underwent testing with the [...]

SAN FRANCISCO -- Prostate-specific antigen levels no longer serve as a marker for prostate cancer, Dr. Thomas A. Stamey said in a controversial poster presentation at the annual meeting of [...]

SAN FRANCISCO -- The dried blood spot polymerase chain reaction test is a sensitive, specific, and cost-effective way to carry out large-scale screening of newborns for congenital cytomegalovirus infection, Dr. [...]

The first oral-fluid-based rapid HIV test, capable of delivering results within 20 minutes, has received approval from the U.S. Food and Drug Administration. The OraQuick Rapid HIV-1/2 Antibody Test (OraSure [...]

PHILADELPIHIA -- Measuring serum levels of flee and complexed prostate-specific antigen may help estimate prostate cancer risk when the total prostate-specific antigen 1eval is indeterminate. Screening for prostate cancer by [...]

PHILADELPHIA -- Measuring serum levels of free and complexed prostate-specific antigen may help estimate prostate cancer risk when the total prostate-specific antigen level is indeterminate. Measuring serum levels of total [...]

SAN DIEGO -- Nearly all men aged 40 and older who participated in a recent component of the National Health and Nutrition Examination Survey gave consent to have their prostate-specific [...]

SAN DIEGO -- Nearly all men aged 40 and older who participated in a recent component of the National Health and Nutrition Examination Survey gave consent to have their prostate-specific [...]

LAS VEGAS -- A common battery of immunohistochemical stains is not helpful in distinguishing primary from secondary extramammary Paget's disease, according to a Mayo Clinic study of 76 biopsy samples [...]

FORT LAUDERDALE, FLA, -- A new, easy-to-read booklet that explains the positive and negative impacts of the prostate-specific antigen screening test is helping veterans who don't have prostate cancer make [...]

CHICAGO -- A rotavirus enzyme immunoassay should be the initial screen -- prior to stool cultures--in all children under 6 years of age with diarrheal illness during rotavirus season, Dr. [...]