MRI accurately depicts spread of cancer to bone
...found that the overall MR accuracy had 100 percent sensitivity and 93 percent specificity. In addition, MR displayed a 79 percent positive predictive value and 100 percent negative predictive value. "This research gives radiologists the confidence to say they believe the MR results are accurate when evaluating...Prostate cancer screening interval of 4 years misses few cancers, study shows
...determined that the screening procedure has a high sensitivity of 85.5%. The authors conclude that the low rate ...s found within the ERSPC-Rotterdam confirms a high sensitivity of the screening procedure. They add that the interval cancers were at a locally confined stage, sug...Study: Racial, ethnic disparities seen in all types of pain
...describe the racial and ethnic differences in pain sensitivity and pain response that have been found in numerous experiments. For instance, scientists using pressure, heat or cold to induce pain have found that African-Americans and Hispanics tend to have lower thresholds of pain tolerance. Other studies have f...Working out may keep breast cells working well
...-boosting power or its ability to increase insulin sensitivity might be protective. Despite carefully considering the screening practices of the women studied, the researchers cautioned that screening practices still might have affected their results. Further studies are needed to understand better whether physi...Rejection really hurts, UCLA psychologists find
...t mammals," Lieberman said. "We may have evolved a sensitivity to anything that would indicate that we're being excluded. This automatic alarm may be a signal for us to reestablish social bonds before harm befalls us." "These findings show how deeply rooted our need is for social connection," Eisenberger said. "...Report cites risks associated with over-the-counter cosmetic contact lenses
...on, a 19-year-old woman awoke to burning and light sensitivity in both eyes. She said she had been buying the con...nother 19- year-old-woman, who complained of light sensitivity and burning in her right eye, said she purchased her over-the-counter contact lenses from gas statio...Improving physical fitness, insulin sensitivity may help latino children at risk for type 2 diabetes
...e and type 2 diabetes, and this appears due to low sensitivity to insulin. Three of every 10 kids had three or mo...glycerides and high blood pressure. Higher insulin sensitivity was tied to higher HDL, and lower insulin sensitivity was linked to higher tryglyceride levels and b...Adolescent binge drinking produces tolerance to alcohol
... that adolescent alcohol exposure influences later sensitivity to alcohol, although the available data to date are mixed, and studies often do not include adult-exposure comparison groups so it is not clear as to whether these effects are more or less pronounced than would be seen after equivalent exposure in ad...Should the standard guidelines for assessing prostate cancer control be changed?
... the 100, only three provided both specificity and sensitivity for distant failure and clinical failure. The specificity and sensitivity of the ASTRO definition to predict distant failure were 55 percent and 68 percent, respectively."Usi...Vision-producing cells fail 'taste-test,' treat key light-detecting molecules identically
...bility -- seemed to contribute to rods' and cones' sensitivity differences. Unlike rod pigment, cone pigment spon...oise" could account for roughly half of the normal sensitivity difference between cones and rods....'Reset switch' for brain cells discovered
...lar reset switch works to increase or decrease the sensitivity of brain cells to stimulation by their neighbors. ...d that such plasticity somehow adjusted the global sensitivity of the myriad connections, called synapses, that a neuron makes to its neighbors. At each of these s...Environmental influences found to have role for development and function of the pain system
...e in guiding the functional maturation of the pain sensitivity system during normal development. This explains ho...nism will allow artificial down regulation of pain sensitivity and thereby open up for the development of new therapeutic methods to relieve chronic pain. Scienti...Hearing aid research gets federal boost
...designs and enable the achievement of much greater sensitivity and lower noise." The signal processing algorithms...r the fine tuning and customization of hearing aid sensitivity and will reduce unwanted sounds beyond what is possible with existing hearing aid technology. Ultima...Medical experts say cataract and refractive surgeries merging
...e, emphasized the importance of assessing contrast sensitivity and spherical aberrations and explained the use of...s perfectly on the retina, thus restoring contrast sensitivity and nighttime vision. Implantable Miniature Telescope Douglas Koch, MD, professor and chair of oph...Imaging technique may diagnose breast cancer without biopsy
...ounds. This technique also exploits the increased sensitivity of a high magnetic field MR scanner, available only at a few locations in the world, including the University of Minnesota's Center for Magnetic Resonance Research (CMRR). So far the study has enrolled 105 subjects and measured tCho levels in normal...HRT and breast cancer: better prognosis more likely due to frequent screening than hormone use
...tage (how far the cancer has spread), the hormonal sensitivity of the breast tumors (estrogen- and progesterone-receptor status) and tumor histology, or cellular type (ductal versus lobular carcinoma). "Our goal was to determine whether hormone therapy directly influenced the development of such tumor characteri......g improving therapy for patients with loss of limb sensitivity and improving telerobotics systems." Weightlessness seems to pass slowly, but the overall sickness-free flight time went all too quickly and the A-300 came down shortly before 13:00. The 12 teams expressed their satisfaction, then started to dismant...New technology enhances lung cancer detection
...ung tissue, alerting the radiologist and improving sensitivity by more than 20 percent. The Department of Radiology at UHC is the first in the world to use GE's RapidScreen Digital, a new digital computer-aided detection (CAD) device for x-ray detection of lung cancer. UHC is the clinical test site for the inno...Two UC Davis studies show promising single-drug therapy for hard-to-control epilepsy
...ate levetiracetam. Elderly patients have increased sensitivity to the effects of antiepileptic drugs. To investigate efficacy and tolerability of the medication, researchers identified 33 patients for a retrospective study. Of those, 15 patients, ages 62 to 92, began levetiracetam either as first-line therapy or...Oral fluid testing proves comparative accuracy to urinalysis in detecting drug use
...rugs of abuse. The study examined specificity and sensitivity of oral screening as a viable alternative to urinalysis, which is more invasive and an often defrauded method. One hundred and fifty-seven subjects with known drug problems were tested. The subjects were seeking treatment for substance abuse an...