Tag: "sentinel" at medical news
New biopsy technique helps assess breast cancer's spread
...ng cancer's spread to the axilla, or underarm, are sentinel
lymph node sampling, in which the first lymph node...derarm are removed and examined for cancer. If the sentinel
node biopsy shows cancer, then a patient needs to return to the operating room to have the lymph nod...
Pioneering Welsh surgery delivered to hospitals
... Wales and England means that the main gland - the sentinel
node - can now be traced using a small dose of radioactivity to find out whether the cancer has spread. Women found not to have cancer spread, will no longer have to have such invasive surgery 'just in case' of cancer spread....
Scents will not rouse us from slumber, says new Brown University study
... insufficiently sensitive and reliable to act as a sentinel
system," said Rachel S. Herz, visiting assistant professor of psychology and an author of a study titled "Minimal Olfactory Perception During Sleep: Why Odor Alarms Will Not Work for Humans," published in a recent issue of the journal Sleep. Researc...
American Thoracic Society Journal news tips for April 2004 (second issue)
... exclude the possibility that pneumonia might be a sentinel
event for increased mortality in a subgroup of patients. In an editorial on the subject by Scott F. Dowell, M.D., a representative of the U.S. Centers for Disease Control and Prevention who is with the International Emerging Infections Program in Th...
Annals of Internal Medicine, tip sheet, April 6, 2004
...e diagnosis of dementia and Alzheimer disease is a sentinel
event, like a diagnosis of any ultimately fatal, chronic disease such as metastatic cancer. Realistic estimates of life expectancy can help patients, physicians and caregivers formulate plans for palliative and end-of-life care. Task F...
Nanotech imaging, molecular fingerprints and signatures hold promise for cancer
...yashi. "If metastases have not advanced beyond the sentinel
node, however, there is arguably no need to surgic...n metastasis is evident to be contained within the sentinel
node and not in downstream lymphatic structures." The key to maximizing performance of G6 as a c...
UC San Diego scientists unveil pilot project for automated monitoring of animal behavior
...ry sensitive to chemical or biological agents, and sentinel
cages have already been deployed at potential bio-terrorism targets and chemical research facilities to warn operators of gas or other leaks. Instead of requiring that a human watch each animal in each cage for early warning signs, the Smart Vivarium...
American Thoracic Society Journal news tips for January 2004 (first issue)
..., at age 3 months, plus reduced plasma levels of a sentinel
molecule of the immune system, soluble CD14, at bi...at induces immunity to viral infection. CD14 is a sentinel
molecule of the constitutive innate immune system that acts as a recognition agent for endotoxins.) ...
New computerized tool predicts chance of breast cancer's spread
...e likelihood of breast cancer spreading beyond the sentinel
lymph nodes to additional lymph nodes under the ar...gical features of the primary breast tumor and the sentinel
lymph node metastasis of 702 breast cancer patients. Using that information, they developed nomogram...
Study suggests common use of investigational breast cancer test
...ely performing an investigational procedure called sentinel
node biopsy (SNB) on women with early-stage breast cancer, which the investigators say may be affecting the accrual and generalizability of ongoing trials of the procedure. The findings appear in the October 15 issue of the Journal of the National C...
Device acts as heart's security system
...n days before actual physical symptoms occur. As a sentinel
device, its proven to be very effective, said Abraham. Its giving us a head start on treating problems that often would not show up until after a visit to the hospital and invasive testing. The Chronicle Implantable Hemodynamic Monitor is about the s...
New data may alter frequency and surgical procedure
...ith breast cancer who are potential candidates for sentinel
node biopsy (SNB), a less-invasive procedure to de... no major nerves or vessels are disturbed. If the sentinel
node does not contain cancer cells, the chance of the disease being in the remaining lymph nodes sho...
Molecular mechanism underlaying anthrax infection described by UCSD School Of Medicine researchers
...ls, traveling with the macrophages in their normal sentinel
duty throughout the body to the lymph nodes, and eventually into the bloodstream, ultimately leading to fatal systemic shock if treatment fails. In order to understand how anthrax was evading the immune system, the research team led by Michael Karin,...
Reduction in HIV-1 incidence among rural Ugandans gives hope to other African countries
... social and behavioural prevention works, and that sentinel
surveillance, carefully interpreted, can provide information of the success or otherwise of intervention programmes. Nevertheless, ongoing high rates of HIV transmission across sub-Saharan Africa, even in the more successful countries such as Uganda,...
Biopsies of the internal mammary sentinel nodes may improve patients chances of survival
...omen with IM metastases usually do less well. The sentinel
node (SN) is the first lymph node to which cancer ...e from the breast tumour, and the internal mammary sentinel
node (IM-SN) can be identified via a scan once a radioactive tracer has been injected into the patie...
Researchers find jail-based surveillance screening useful in monitoring HIV and sexually transmitted disease epidemics
...th care services. "This type of screening, called sentinel
surveillance, offers an early warning system to monitor the extent of HIV infection in a generally low socioeconomic group that doesn't often access screening services," said the study's lead investigator, Willi McFarland, MD, PhD, of the San Francis...
Risk map will help predict encephalitis outbreaks
...idemic years, the virus usually becomes evident in sentinel
chickens by June. "Since we don't start to get human cases until late July, we have about eight weeks to institute control methods and get information out to people about how to protect themselves," Day said. "The idea of a risk map is to provide eve...
Analysis suggests women treated for breast cancer do better with axillary node dissection
...The next step in the dissection debate is to study sentinel
node biopsies,Scott-Conner said. This investigatio...y and should be completed in acouple of years. The sentinel
node is the lymph node to which the tumor wouldspread first. There are a couple of ways of figuring ...
Melanoma Patients' Sentinel Lymph Nodes (SLNS) Play A Strong Role In Disease Prognosis, UCSF Study Reports
...melanoma patients whose cancer has spread to their sentinel
lymph nodes (SLNs)have a greater chance of experie...e whose cancer has not advanced to their SLNs. The sentinel
lymph node (SLN) earned its name because it is the first region ina person's body that receives canc...
Study Finds Lymph Node Surgery Unnecessary For Many Breast Cancer Patients
... node dissection is being compared to lessinvasive sentinel
node biopsy, in which radioactivity or a dye is us...r cells. The Duke decision model doesnot consider sentinel
node biopsy, Parmigiani said. Co-authors on the study are Donald Berry of Duke University, Dirk Igle...