Articles tagged with Lymph Nodes
A study found that removing only the first lymph node (sentinel lymph node dissection) did not impact overall survival for women with early-stage breast cancer. The use of this method resulted in fewer complications compared to more extensive axillary lymph node dissection.
Using microbubbles and ultrasound can help determine treatment for early breast cancer patients, reducing the need for additional surgeries. The study found that microbubble contrast-enhanced ultrasound accurately identified sentinel lymph nodes in 89% of patients.
A new gene test can identify which bladder cancer patients may have cancer spread in their lymph nodes, allowing doctors to determine the best course of treatment. The test analyzes 20 genes on tumor biopsies and has shown promising results in a large sample of patients.
Researchers developed a new imaging technique that uses single photon emission computed tomography (SPECT) with computerized tomography (CT) scans to pinpoint critical lymph nodes under the arm. This allows physicians to block these nodes from X-ray beams, reducing radiation and subsequent lymphedema in breast cancer patients.
Researchers found that younger women (under 35) are more likely to have cancer invade lymph nodes, while a posterior axillary boost reduces regional recurrence rates. The study suggests patients at higher risk may benefit from additional radiation therapy under the armpit.
Researchers at Georgetown Lombardi Comprehensive Center have identified molecular markers on breast tumors that can predict which cancers will metastasize to the lymph node system. These markers, found in both breast cancer cells and sentinel lymph nodes removed from patients, may help reduce false negative rates in sentinel node biopsy.
A multi-centre study found that specific lymph node radiotherapy is well-tolerated in early breast cancer patients after mastectomy or breast conserving surgery. The treatment showed no increased toxicity to the heart at three years follow-up, and estimated overall survival rates of 79%.
Breast cancer patients with early-stage disease and one lymph node metastasis have a low risk of recurrence without post-mastectomy radiation. Researchers found no significant difference in the 10-year risk of recurrence between women with lymph node spread and those without, highlighting the need for individualized treatment approaches.
A systematic review of literature found that micrometastases in axillary lymph nodes are associated with reduced disease-free and overall survival in breast cancer patients. The study's findings suggest that even small metastatic lesions can have a significant impact on patient outcomes.
A new study published in The Lancet found that removing both pelvic and para-aortic lymph nodes significantly improves survival rates for patients with endometrial cancer who are at intermediate or high risk of cancer recurrence. The researchers concluded that this complete procedure should be recommended to these patients.
Researchers have developed a new technique using photoacoustics to locate cancer cells in lymph nodes, enabling doctors to make more accurate diagnoses. This technology could help reduce the time and effort required for pathologists to determine if melanoma has spread to the lymphatic system.
A new study found that adding a contrast agent to MRI improves the accuracy of detecting lymph node metastases. The researchers concluded that incorporating contrast enhancement in malignancy criteria improves diagnostic test accuracy, and histopathologic examination should still be used as a gold standard.
A randomized 10-year study found no significant differences in survival rates between women who received internal mammary chain radiation treatment and those who didn't. The study also showed that radiation treatments, even without additional IMC-RT, are still necessary for these patients.
A recent study found that radiation therapy significantly improves regional recurrence control in melanoma patients who underwent lymphadenectomy. The treatment reduced the risk of cancer returning to the lymph nodes by 12 percentage points compared to observation.
Researchers have identified two ultrasound patterns that can accurately identify cancer spread and tumor burden in melanoma patients. These patterns can predict overall survival and help doctors decide on the amount of surgery required.
A study published in World Journal of Gastroenterology found that a large number of dissected lymph nodes in D2 dissection improves long-term survival and reduces recurrence rate for patients with node-negative gastric cancer. The number of resected lymph nodes is a key prognostic indicator, and increasing it leads to better survival o...
A new study published in JNCI finds that training methods for surgeons performing breast cancer sentinel lymph node resection are highly effective. The study evaluated three training methods and found a statistically significant positive association between procedural errors and false-negative rates.
A study found that increasing lymph node removal did not increase the number of patients with stage III colorectal cancer. Despite higher lymph node yields, the proportion of patients diagnosed with stage III cancer remained unchanged.
A new study found that lymph nodes are not necessary for the immune system to respond to infections. Instead, the liver can serve as a surrogate structure for T-cell activation. This discovery suggests an alternative role for the liver and may explain why patients receiving a liver transplant sometimes inherit the donor's allergies.
Research suggests that lymph nodes are not necessary for marshalling T-cells to respond to skin breaches, with the liver playing a key role instead. This discovery implies a novel function for the liver and offers insights into the evolution of immune systems in mammals.
A new molecular biology-based technique has been shown to detect potential breast cancer spread with high accuracy, speed, and specificity. The Lymphoseek molecule binds to lymph node white blood cells, allowing for targeted detection of nearby 'sentinel nodes' that are most likely to contain cancer.
A study from the Medical College of Wisconsin found that the removal of more than five lymph nodes and presence of cancer in the lymph nodes are key factors linked to lymphedema. The study suggests that all women undergoing axillary surgery should be counseled on their risk for lymphedema.
A noninvasive test using diffusion weighted MRI accurately identifies benign from malignant pelvic lymph nodes in patients with gynecologic malignancy. The test has a sensitivity of 92% and specificity of 85%, making it a useful tool for determining the extent of cancer spread.
A multicenter study found EUS elastography to be highly sensitive and specific in distinguishing benign from malignant tissue, with a sensitivity of 92.3% for pancreatic lesions and 91.8% for lymph nodes. The technique may help characterize pancreatic masses after negative EUS-FNA and increase the yield of EUS-FNA for lymph nodes.
Duke researchers found that a blood-derived lymph node dendritic cell type plays a key role in developing acute T-cell responses. This discovery challenges traditional views on dendritic cell function and has implications for vaccine science and autoimmune disease therapy development.
Researchers identified guanylyl cyclase C as a molecular marker for metastatic colorectal cancer that can detect occult metastases in lymph nodes, improving risk stratification. About 13% of patients with pN0 colorectal cancer were found to be free of tumor cells, while 87% had results suggesting occult metastases.
Researchers at Thomas Jefferson University found a biomarker, guanylyl cyclase 2C (GUCY2C), that predicts disease recurrence in colorectal cancer. The study revealed that 87.5% of patients had positive GUCY2C expression and 20.9% developed recurrent disease.
Researchers discovered that atypical spitzoid tumors (ASTs) respond well to treatment, with 27 patients experiencing complete remission after a lymph node biopsy. The study suggests ASTs behave differently from other types of melanoma and may not be as aggressive.
Two studies published in The Lancet show that removing pelvic lymph nodes or external beam radiotherapy does not improve survival rates for women with early endometrial cancer. Removal of lymph nodes increased risk of death by 16%, while radiotherapy showed no benefit in terms of overall survival.
A study of 236 advanced gastric cancer patients found that the metastatic lymph node ratio is significantly correlated with five-year survival rates and can be used to project survival rates. The MLR also reflects the extent and efficiency of lymphadenectomy.
A research article compares CT findings in mesenteric tuberculosis and non-Hodgkin's lymphoma (NHL), revealing specific enhancement patterns and anatomic lymph node distribution. The 'sandwich sign' is more often found in NHL, aiding in differential diagnosis between tuberculosis and untreated NHL involving the small bowel mesentery.
A new study at Fox Chase Cancer Center found that irradiating axillary and supraclavicular lymph nodes may not improve outcomes for breast cancer patients with negative lymph nodes. The research suggests avoiding radiation to these areas may reduce serious side effects such as lymphedema and pulmonary problems.
A Northwestern University study found that over 60% of US hospitals do not comply with the recommendation to examine 12 lymph nodes after colon cancer surgery, leading to improved survival rates when more nodes are checked.
Researchers at Yerkes National Primate Research Center and Emory Vaccine Center found that trapping white blood cells in lymph nodes can help mice fight chronic viral infections. FTY720, an experimental drug, prevents white blood cells from leaving lymph nodes, improving immune response against the virus.
A team of researchers has found that trapping white blood cells in the lymph nodes can help mice overcome a chronic viral infection. Experimental drug FTY720, also known as fingolimod, prevents white blood cells from responding to the virus by desensitizing them to sphingosine-1-phosphate.
Researchers found that breast cancers behave differently before and after age 70. Women aged under 70 are less likely to have aggressive tumors spreading to lymph nodes as they age, but the opposite occurs for women over 70. Decreased immune defense mechanisms may play a role in this change.
A recent study found that USFNA of axillary lymph nodes in patients with newly diagnosed breast cancer improves diagnostic accuracy while minimizing negative results. The procedure, which measures cortical thickness, is safe and minimally invasive.
A new study of 145 triple-negative breast cancers found that moderate or low-grade lesions were present in 23% of cases, with only a small percentage showing lymph node metastasis. The findings suggest that triple-negative breast cancers are a heterogeneous group and may not always be associated with cancer spread.
The use of sentinel lymph node biopsy (SLNB) increased substantially from 1998 to 2005, but disparities persist in access to the procedure. Non-white women, older women, and those living in poorer areas were less likely to receive SLNB than their counterparts, highlighting uneven access to this less-invasive breast cancer staging test.
A new blood biomarker has been discovered that enables accurate prediction of prostate cancer metastasis. The biomarker, endoglin, measures plasma levels associated with an increased risk of cancer spread into regional lymph nodes. Adding this marker to current methods improves accuracy from 89.4% to 97.8%.
Scientists have discovered that immune cells confront viruses just inside the lymph node, not deep within the organ. This breakthrough could help design effective anti-virus vaccines against deadly viruses like HIV. The study sheds light on how the immune system operates during a viral infection.
A study suggests that endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) and its combination with endobronchial ultrasound-guided fine-needle aspiration (EBUS-FNA) can accurately determine lung cancer stage. These minimally invasive methods show high sensitivity rates, potentially replacing traditional surgical procedures.
Researchers at Mayo Clinic have developed a new technique using two small flexible tubes to stage lung cancer, achieving a 93% accuracy rate in finding malignant lymph nodes. This method is less invasive and more precise than traditional surgical methods, allowing patients to recover the same day.
Scientists discovered that metastatic pancreatic cancer cells produce enough of the protein IDO to evade detection by the immune system, allowing them to spread in the body. This finding may lead to new ways to detect pancreatic cancer spreading to lymph nodes and enhance tumor immune therapy strategies.
Researchers found that VEGF-C gene therapy induced robust growth of lymphatic capillaries in mice, leading to functional collecting lymphatic vessels and improved lymph node transplantation outcomes. The treatment also showed promise in preventing systemic dissemination of metastases and improving patient safety.
A study found that hospitals with higher lymph node examination rates did not see better patient survival after colon cancer surgery. The rate of detecting node-positive tumors remained the same across all hospital groups.
A new study suggests that an ultrasound-guided fine needle biopsy technique can accurately detect cancer in lymph nodes with a false positive rate of only one percent. The method has been shown to be highly accurate and may reduce the need for unnecessary sentinel node operations.
Research reveals lymph nodes facilitate neuroinvasion of prions at low doses, accelerating infection after node removal. The study's findings have important implications for developing new prevention and treatment strategies for prion diseases.
A new study found that racial differences in breast cancer survival are most apparent in advanced stages of the disease, with African American women having poorer outcomes than white women. After adjusting for clinical factors, the disparities persisted, indicating non-clinical factors may contribute to survival differences.
A recent study found that nodal status is the strongest determinant of outcome after neoadjuvant therapy for esophageal cancer. Patients with complete pathological responses had better survival rates, but only if they also had no nodal involvement.
The incidence of early stage metastatic breast cancers is increasing, attributed to changes in clinical practice. Sentinel lymph node biopsies often detect small numbers of tumor cells that do not necessarily indicate cancer spread.
A study of 17 studies from nine countries found that removing and examining more lymph nodes during colon cancer surgery improves patient outcomes. The research suggests that knowing how far a cancer has spread leads to tailored treatment, ultimately resulting in better survival rates for patients.
A systematic review of 17 studies found that increased lymph node evaluation is associated with improved survival rates for patients with stage II and III colon cancer. However, many patients do not receive adequate lymph node testing.
Researchers found that SPECT/CT imaging enhances sentinel node identification in overweight patients with breast cancer. The study suggests this improved technique can reduce the need for unnecessary surgery and improve treatment outcomes.
The GeneSearch Breast Lymph Node assay has been shown to have higher sensitivity and specificity in detecting breast cancer metastases compared to traditional intra-operative tests. The test's accuracy enables surgeons to make more informed treatment decisions and potentially reduce the need for second surgeries.
Scientists have discovered two protein biomarkers associated with breast cancer spread, which could help predict patient outcomes and guide treatment decisions. The study found that overexpression of one protein and underexpression of another were highly accurate in identifying patients at risk of metastasis.
A study found that women with more than four positive lymph nodes are four times more likely to develop lymphedema when treated with a boost, despite similar risks of nodal recurrences. The increased risk may outweigh the benefits of receiving an extra dose of radiation.
A study found that elderly women with breast cancer are often under-staged, under-treated, and miss out on life-saving treatments. The researchers analyzed data from a tumor registry database and found that 70% of patients were in early stages of cancer but missed out on lymph node evaluation.
A study found that less than one-third of gastric cancer patients had adequate lymph node assessments, leading to compromised survival. Median survival in regions with the highest ALNA rate was 33 months, while in regions with the lowest rate it was only 17 months.
Researchers at Cedars-Sinai Medical Center developed new objective criteria to enhance the reliability of PET scans in detecting breast cancer metastasis. The criteria use a standardized uptake value (SUV) threshold of 2.3, which was found to accurately diagnose lymph node involvement with 100% specificity and positive predictive value.