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Lymph node
hideA Lymph node (pronounced /ˈlɪmf noʊd/) is an organ consisting of many types of cells, and is a part of the lymphatic system. Lymph nodes are found all through the body, and act as filters or traps for foreign particles. They contain white blood cells that use oxygen to process. Thus they are important in the proper functioning of the immune system.
Lymph nodes also have clinical significance. They become inflamed or enlarged in various conditions, which may range from trivial, such as a throat infection, to life-threatening such as cancers. In the latter, the condition of lymph nodes is so significant that it is used for cancer staging, which decides the treatment to be employed, and for determining the prognosis.
Lymph nodes can also be diagnosed by biopsy whenever they are inflamed. Certain diseases affect lymph nodes with characteristic consistency and location.
For more information about Lymph node, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
News tagged with lymph nodes
New origin found for a critical immune response
Mar 01, 2009 |
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An immune system response that is critical to the first stages of fighting off viruses and harmful bacteria comes from an entirely different direction than most scientists had thought, according to a finding by researchers ...
Seeing family for the holidays? Scientists discover how the stress might kill you
Nov 30, 2009 |
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If you ever thought the stress of seeing your extended family over the holidays was slowly killing you -- bad news: a new research report in the December 2009 print issue of the Journal of Leukocyte Biology shows that you mi ...
Nanoparticles Detect and Purge Metastases in Lymph Nodes
Nanotechnology / Bio & Medicine
Oct 30, 2009 |
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Colonoscopy represents one of the great weapons against cancer. In one step, a physician can find precancerous lesions in the colon and then cut them out, an on-the-spot intervention that prevents cancer from developing. ...
Golden Nanotubes Used for Imaging Agent to Detect Tumor Cells, Map Sentinel Lymph Node
Nanotechnology / Bio & Medicine
Aug 26, 2009 |
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(PhysOrg.com) -- Biomedical researchers at the University of Arkansas and University of Arkansas for Medical Sciences in Little Rock have developed a special contrast-imaging agent that is capable of molecular ...
Researchers identify gene that regulates breast cancer metastasis
Oct 05, 2009 |
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Researchers at The Wistar Institute have identified a key gene (KLF17) involved in the spread of breast cancer throughout the body. They also demonstrated that expression of KLF17 together with another gene (Id1) known to ...
Research puts a 'Fas' to the cause of programmed cell death
Sep 30, 2009 |
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Walter and Eliza Hall Institute researchers have put an end to a 10-year debate over which form of a molecular messenger called Fas ligand is responsible for killing cells during programmed cell death (also ...
Green tea extract shows promise in leukemia trials
May 26, 2009 |
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Mayo Clinic researchers are reporting positive results in early leukemia clinical trials using the chemical epigallocatechin gallate (EGCG), an active ingredient in green tea. The trial determined that patients with chronic ...
New technique may help detect potential breast cancer spread
May 08, 2009 |
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A new phase III clinical trial of early stage breast cancer patients has shown that a molecule designed to home in on nearby lymph nodes is just as accurate as current techniques, but faster, more specific and easier to use.
Grapefruit juice found to give cancer treatment a boost
Aug 10, 2009 |
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When Albina Duggan of Bourbonnais, Ill., was diagnosed with Stage IV cancer, it had spread from her liver to her spine and lymph nodes.
Drug that targets vasculature growth attacks aggressive thyroid cancer
May 15, 2009 |
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A medication that helps stop the growth of new blood vessels has produced dramatic benefits for some patients with aggressive thyroid cancer, research from Mayo Clinic indicates.
Predicting cancer prognosis
Aug 27, 2009 |
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Researchers led by Dr. Soheil Dadras at the Stanford University Medical Center have developed a novel methodology to extract microRNAs from cancer tissues. The related report by Ma et al, "Profiling and discovery of novel ...
Any spread of breast cancer raises risk of return
Aug 12, 2009 |
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(AP) -- Breast cancer patients with even the tiniest spread of the disease to a lymph node have a much higher risk of it recurring years later and may need more treatment than just surgery, new research suggests.
Cell study explains why younger people more at risk of vCJD
Oct 14, 2009 |
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Specific cells within the immune system could help explain why younger people are more susceptible to variant CJD, scientists believe.
What is the function of lymph nodes?
May 26, 2009 |
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If we imagine our immune system to be a police force for our bodies, then previous work has suggested that the Lymph nodes would be the best candidate structures within the body to act as police stations - the regions in ...
Imaging techniques may help predict response to head and neck cancer treatment
Nov 16, 2009 |
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A combination of imaging tests conducted six to eight weeks after patients complete chemoradiotherapy for head and neck cancer may help identify patients who will respond to treatment and those who will require surgical follow-up, ...
