Advanced searches left 3/3

Lymph Nodes - DOAJ

Summarized by Plex Scholar
Last Updated: 26 September 2022

* If you want to update the article please login/register

Radiomics Analysis of Lymph Nodes with Esophageal Squamous Cell Carcinoma Based on Deep Learning

In the preoperative detection of lymph nodes metastasis in patients with esophageal squamous cell carcinoma, it is important to examine the role of multiple radiomic features of lymph nodes. Three hundred eight patients with pathologically confirmed ESCC were retrospectively enrolled. From their computed tomography images, we extracted 207 handcrafted radiomic elements and 1000 deep radiomic characteristics of lymph nodes. Three machine learning techniques were applied to build Models I, II, and III, which included support vector machine, adaptive boosting, and random forest. Patients with and without LNM could be more distinguishable between patients with and without LNM than the two radiologists' diagnostic findings. The combination of handcrafted radiomic elements, deep radiomic capabilities, and clinical characteristics may be used to determine lymph node status in patients with ESCC patients.

Source link: https://doi.org/10.1155/2022/8534262


Construction and validation of nomograms based on the log odds of positive lymph nodes to predict the prognosis of lung neuroendocrine tumors

paraphrasedoutput:MethodsWe obtained 506 eligible patients with resected N1/N2 classification LNETs from the Surveillance, Epidemiology, and End Results database between 2004 and 2015. This study was intended to determine the predictive value of log odds of positive lymph nodes for patients with node-positive lung neuroendocrine tumors, which was followed by a long-term prognosis of patients with node-positive lung neuroendocrine tumors. Based on various geographic locations, the study population was divided into a derivation cohort and an external validation cohort. Nomograms were designed based on the derivation cohort and verified using the external validation cohort to predict the 1-, 3-, and 5-year survival of patients with LNETs. The nomograms were useful in terms of clinical use, according to an article by the authors, who aided physicians in providing individually tailored risk assessment and therapy.

Source link: https://doi.org/10.3389/fimmu.2022.987881


Understanding COVID Vaccination and Its Implication in Cancer Patients’ Imaging of Lymph Nodes by PET-CT

Methods: 25 cancer patients with 18 F-FDG PET-CT studies and a history of COVID-1921-based vaccination between September 2021 and December 2021 were retrospectively reviewed to determine the lymph nodes associated with the time period from COVID vaccination. There was a strong indirect correlation between SUVmax and the time between the vaccination and PET CT tests. In patients receiving the Moderna mRNA-1273 vaccine vs. BNT162b2b2 mRNA Pfizer vaccine, there was no significant difference in the SUVmax value.

Source link: https://doi.org/10.3390/diagnostics12092163


Clinical Significance of Stem Cell Biomarkers EpCAM, LGR5 and LGR4 mRNA Levels in Lymph Nodes of Colon Cancer Patients

The role of cancer stem cells in initiation and progression of colon cancer has been known. At a 12-year follow-up, CC patients with lymph nodes containing high amounts of EpCAM, LGR5, or LGR4 had a reduced mean survival time of 32 months for EpCAM and 42 months for both LGR5 and LGR4 compared to a 12-month follow-up. The study focuses on LGR5 as a particularly useful prognostic biomarker, and it illustrates the benefits of combining biomarkers that find various subpopulations of cancer cells and/or cells in the tumor microenvironment for forecasting recurrence.

Source link: https://doi.org/10.3390/ijms23010403


Evaluation of the Relationships between Intestinal Regional Lymph Nodes and Immune Responses in Viral Infections in Children

To investigate the effect of viral infections on IgA growth, we cultured human cells and determined IFNu03b2 and IgA levels. The levels of blood IgA in viral infections were higher than those in bacterial infections, according to Blood IgA. Due to improved IFNu03b2 after viral stimulation, cell culture increased IgA in gastrointestinal lymph nodes, particularly in Peyeru2019s patches. However, respiratory regional lymph nodes increased IgA with no significant change in IFN u03b2. A different reaction from the digestive system may have increased IgA in the respiratory system without elevated IFN-u03b2.

Source link: https://doi.org/10.3390/ijms23010318


Metabolic Activity of Visceral Adipose Tissue Is Associated with Metastatic Status of Lymph Nodes in Endometrial Cancer: A 18 F-FDG PET/CT Study

Obesity contributes to an elevated risk of cancer and aggressiveness in patients with endometrial cancer. The aim of this research was to investigate the relationship between inflammatory metabolic function of VAT tested by 18 F-fluorodeoxyglucose positron emission tomography/computed tomography and metastatic status of lymph nodes in patients with endometrial cancer. As a V/S ratio and measured from the maximum standardized uptake value of VAT normalized to the SUVmax of subcutaneous adipose tissue, inflammatory metabolic activity was defined as V/S ratio and measured from the maximum standardized uptake value of VAT normalized to the SUVmax of subcutaneous adipose tissue. The positive LN metastasis group had a significantly higher V/S ratio than the negative LN metastasis group. High sensitivity C-reactive protein, spleen SUVmax, and bone marrow SUVmax were also higher in the LN metastasis group than in the negative LN metastasis group, with strong correlations with the V/S ratio. The LN metastasis risk in patients with endometrial cancer is independently linked to a high incidence of heart disease in patients with endometrial cancer.

Source link: https://doi.org/10.3390/ijerph19010092


Mannan-Based Nanodiagnostic Agents for Targeting Sentinel Lymph Nodes and Tumors

For successful cancer therapy, early detection of metastasis is vital. Sentinel lymph node biopsies are used to look for potential paths of metastasis dissemination. We provide an in vivo animal tumor model as well as a novel non-invasive diagnostic alternative to biopsy. When applied to an in vivo murine cancer model, mannan-based polymer carriers are non-toxic and, according to an in vitro murine cancer model, and they have a promising future as the versatile imaging agents.

Source link: https://doi.org/10.3390/molecules26010146


Is Routine Intraoperative Frozen Section Analysis of Sentinel Lymph Nodes Necessary in Every Early-Stage Breast Cancer?

Even as 1u2013 2 sentinel lymph nodes are positive for metastatic disease, clinically node-negative breast cancer patients who meet guidelines to prevent axillary dissection. Methods and Methods: This report examined the incidence of re-operations delayed by SLN iFS in a tertiary care hospital in Bangkok, Thailand, over a 6-year period. paraphrasedoutput:Conclusion: iFS has a low success rate in patients with preoperative clinically negative axillary nodes, Nottingham histologic evaluation, and lymphovascular transplantation are all predictors of SLN metastasis. In the majority of cases of early-stage clinically and radiographically node-negative breast cancer patients, iFS may be avoided, according to our report.

Source link: https://doaj.org/article/cb4c7db1fe2f48bf9cc3e64bda259263


Predictors of Metastatic Lymph Nodes at Preoperative Staging CT in Gastric Adenocarcinoma

Nodal metastases in gastric cancer patients was found by this research, which was designed to determine the most reliable computed-tomography dimensional parameters. The sums of all LNs' SAs and the sums of the SAs, volumes, and SA/LA ratios of the top LNs in all nodal groups were calculated on a per-patient basis, as well as the presence/absence of metastatic LNs in each patient for comparison. Using Youden's index with a 39 mm cutoff, the total amount of the SAs of all LNs in the loco-regional nodal groups showed the highest AUC with a sensitivity/specificity of 66. 6 percent/83. 7%, according to the per-patient report, with a sensitivity/specificity of 66. 6 percent/83. 7%. The sum of the SAs of all the LNs at staging CT is the most reliable predictor of both metastatic invasion of the nodal group and the presence of metastatic LNs in patients with GC.

Source link: https://doi.org/10.3390/tomography8030098


Detection of thyroglobulin in fine-needle aspiration for diagnosis of metastatic lateral cervical lymph nodes in papillary thyroid carcinoma: A retrospective study

FNA-Tg's cutoff value was 3. 69 ng/ml, according to the receiver operating characteristic curve, and the Wilcoxon rank-sum test was used to determine the relationship between FNA-Tg and factors.

Source link: https://doi.org/10.3389/fonc.2022.909723

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions