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One in six men will be diagnosed with prostate cancer during their lifetime but screening may result in the overdiagnosis and overtreatment of prostate cancer. [54] [55] Though the death rates from prostate cancer continue to decline, 238,590 men were diagnosed with prostate cancer in the United States in 2013 while 29,720 died as a result ...
Prostate cancer imaging developed by university researchers has shown “extremely encouraging” results in its first clinical trials. A team at Heriot-Watt University, Edinburgh, leading the ...
Each assay may give different results of the clinical value of the p53 mutations as a prognostic factor. [5] Interlaboratory proficiency testing for tumor marker tests, and for clinical tests more generally, is routine in Europe and an emerging field [6] in the United States. New York state is prominent in advocating such research. [7]
A new blood test was found to detect colon cancer with more than 80% accuracy — and to rule it out for 90% of healthy people. Doctors speak about how this could improve screening rates and outcomes.
Lip reading, also known as speechreading, is a technique of understanding a limited range of speech by visually interpreting the movements of the lips, face and tongue without sound. Estimates of the range of lip reading vary, with some figures as low as 30% because lip reading relies on context, language knowledge, and any residual hearing. [ 1 ]
All cancer screening tests generate both false-positive and false-negative results, with a tendency to yield more false positives. [10] False-negative tests may provide a false sense of reassurance, possibly leading to a bad prognosis if the cancer is diagnosed at a later stage, despite the utilization of surgeries, therapies, and other treatments.
In men aged 55–69 who have been counseled on the known harms and potential benefits of prostate cancer screening, the U.S. Preventive Service Task Force May 2018 statement states, "The use of digital rectal examination as a screening modality is not recommended because there is a lack of evidence on the benefits."
The most frequently used biomarker for prostate cancer today is the serum level of prostate-specific antigen (PSA), or derived measurements. However, since PSA is prostate-specific but not cancer-specific, it is an imperfect biomarker. For example, PSA can increase in older men with benign prostatic hyperplasia. Several new biomarkers are being ...