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Sentinel Node Biopsy - DOAJ

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Last Updated: 13 July 2022

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Does It Really Pay-Off? Comparison of Lymphadenectomy versus Observational Approach in Skin Melanoma with Positive Sentinel Node Biopsy: Systematic Review and Meta-Analysis

After the positive SNB, the goal of this meta-analysis was to determine whether doing CLND is necessary in every case of the melanoma patient. The inclusion criteria included random clinical studies, comparison of lymphadenectomy versus observation, and positive sentinel node biopsy. There was no correlation between CLND's success and melanoma recurrence recurrence. However, no CLND group had a higher 3-year success and 5-year Survivorship compared to those that did not. In conclusion, the observational approach to the melanoma patients with positive sentinel node biopsy is associated with comparable or marginal improvement 3- and 5-year survival, even in the case of routine lymphadenectomy. However, a decision to perform or hold lymphadenectomy in each melanoma patient should always be considered individually. Patients with low perioperative risk may be deemed a candidate for a surgical approach.

Source link: https://doi.org/10.3390/jcm11133880


Sentinel Node Biopsy by Transvaginal Natural Orifice Transluminal Endoscopic Surgery in a Patient with Early-Stage Cervical Cancer: A Case Report

Sentinel lymph node biopsy has emerged as a reliable method to detect lymph node metastases in patients with cervical cancers. We introduce the use of a retroperitoneal vNOTES technique to perform SLNB in a patient with cervical cancer, and we provide a step-by-step walkthrough of the surgical procedure. Following a free-margin conization, this surgical approach seems to be the least invasive way to treat pelvic SLNB, and it may be a helpful strategy to properly treating patients with early-stage cervical cancers.

Source link: https://doi.org/10.1159/000524828


Sentinel node biopsy for breast cancer: is it already a standard of care? A survey of current practice in an Italian region

Abstract Background: Abstract Background: Although sentinel node biopsy is now the most common method for axillary staging in patients with small breast cancer, criteria for patient selection, and some technical aspects of the procedure have yet to be clearly defined. The aim of the present survey was therefore to find out how general surgeons working in the Veneto region, Italy, use SNB in the way in which they practice. Methods A 29-item questionnaire detailing various aspects of SNB practice was sent to surgeons in charge of breast surgery in all the region's five surgical centers. Results The overall response rate to the questionnaire was 81. 9 percent; 69. 6% of the respondents routinely administer SNB in their clinical work. The majority of the interviewees agreed that the acceptable false negative rate should be u2264 percent. Nevertheless, only 34. 4% of the surgeons who practice SNB produced more than 20 SNB during the learning phase.

Source link: https://doi.org/10.1186/1471-2407-4-2


Sentinel Node Biopsy for Endometrial Cancer by Retroperitoneal Transvaginal Natural Orifice Transluminal Endoscopic Surgery: A Preliminary Study

GoalsThe primary aim of the retroperitoneal transvaginal natural orifice transluminal endoscopic surgery was to determine the intraoperative and postoperative surgical complications of sentinel lymph node biopsy by retroperitoneal transvaginal transluminal endoscopic surgery. Results Seven patients with endometrial cancer or endometrial complex atypical hyperplasia underwent surgical treatment with SLNB by retroperitoneal vNOTES using an indocyanine green-based near-infrared fluorescence imaging system. In 2 cases, 5 patients presented an endometrial adenocarcinoma and the endometrial complex atypical hyperplasia. Conclusions of 1 case of postoperative deep vein thrombosis and an asymptomatic vaginal vault hematoma in the same patient. However, before expanding the use of vNOTES in endometrial cancer outside of study settings, there needs to be solid evidence of its safety, its efficacy, the long-term oncological results, and long-term oncological results.

Source link: https://doi.org/10.3389/fsurg.2022.907548


Down regulation of E-Cadherin (ECAD) - a predictor for occult metastatic disease in sentinel node biopsy of early squamous cell carcinomas of the oral cavity and oropharynx

Background information Prognostic factors in determining occult lymph node metastasis in patients with head and neck squamous-cell carcinoma are required to improve the results of the sentinel lymph node biopsy in this tumor form. Objects: To determine the value of the molecular marker E-Cadherin in predicting regional metastatic disease. Methods The tissue microarray technique was used to determine whether E-Cadherin expression in tumor tissue of 120 patients with HNSCC of the oral cavity and oropharynx. These findings were correlated with the lymph node status of biopsied sentinel lymph nodes, according to these findings. In univariate and multivariate studies, differentiation grade and downregulation of E-Cadherin expression strongly correlate with improved lymph node status. Conclusion These results indicate that decreased E-cadherin expression is connected with HNSCC's more lymhogenetic metastasis. In squamous cell carcinoma of the oral cavity and oropharynx, E-cadherin immunohistochemistry may be used as a predictor of lymph node metastasis.

Source link: https://doi.org/10.1186/1471-2407-11-217


Early Institutional Experience of Dual Tracer and Single-Photon Emission Computed-Tomography/Computed-Tomography Mapping for Sentinel Node Biopsy: A Report of Two Early-Stage Breast Cancer

The recommended way to find SLN in early-stage breast cancer patients in low-resource settings is to perform methylene blue dye tracer. Image-guided SLN biopsy using the gold-standard dual tracer system in conjunction with hybrid single-photon emission computed-tomography/computed-tomography preoperative mapping for image-guided SLN biopsy.

Source link: https://doi.org/10.1177/20101058211057328


Sentinel node biopsy in vulvar cancer: A critical appraisal

Since inception of inguinal-femoral lymphadenectomy in the treatment of patients with vulvar cancer in the mid-20th century, there have been attempts to reduce or eliminate the groin dissection risk of lower limb lymphadenopathy. Sentinel node biopsy is the most effective way to reduce the risk of lymphedema, according to new studies, but the false-negative rate for this therapy, which can be used for lesions up to 4 cm in diameter, is between 5% and 10%. For this reason, sentinel node biopsy should not be considered to be standard therapy for patients with early vulvar cancer.

Source link: https://doi.org/10.4103/2454-6798.209328


Evaluation of Sentinel Node Biopsy in Locally Advanced Breast Cancer Patients Who Become Clinically Node-Negative after Neoadjuvant Chemotherapy: A Preliminary Study

The appropriate timing of sentinel lymph node biopsy in locally advanced breast cancer patients receiving neoadjuvant chemotherapy remains controversial. After neoadjuvant chemotherapy, we investigated the safety and effectiveness of SLN biopsy in LABC patients with cytology-proven axillary nodal metastasis that has become clinically node-negative. After neoadjuvant chemotherapy, SLN biopsy is both safe and effective in LABC patients with cytology-positive nodes who have become clinically node-negative. After neoadjuvant chemotherapy, a promising alternative that should be further investigated, SLN biopsy as a therapeutic option in LABC is a promising option that should be further investigated.

Source link: https://doi.org/10.4061/2011/870263


The role of sentinel node tumor burden in modeling the prognosis of melanoma patients with positive sentinel node biopsy: an Italian melanoma intergroup study (N = 2,086)

Abstract Background The management of melanoma patients with metastatic melanoma in the sentinel nodes is shifting based on trials examining the results of completion lymph node dissection and demonstrating the safety of new adjuvant therapies. New prognostic techniques for fine risk stratification are eagerly sought in this environment to ensure the therapeutic path of these patients. Methods The retrospective cohort of 2,086 patients treated with CLND following a positive SN biopsy in thirteen Italian Melanoma Centers was reviewed. Overall survival was determined by chance, with independent variables such as age, gender, primary melanoma site, Breslow thickness, ulceration, sentinel node tumor burden, and number of positive SN, non-sentinel lymph nodes status including positive SNs. Using the Cox proportional hazard regression model, Univariate and multivariate survival studies were conducted. All variables, except for primary melanoma body site, were found to be statistically significant prognostic variables in this univariate analysis.

Source link: https://doi.org/10.1186/s12885-022-09705-y


Sentinel Node Biopsy Versus Low Axillary Sampling in Predicting Nodal Status of Postchemotherapy Axilla in Women With Breast Cancer

The NACT, PATIENTS AND METHODSA total of 751 women clinically node negative post-NACT underwent LAS. We conducted low axillary sampling and sentinel node biopsy in the same patient to predict axillary nodal status post-NACT. paraphrasedoutput:RESULTS: 290 of 751 women had positive lymph nodes on pathology, with 533 of patients being N1 or N2 at present. Targeted sentinel node identification was 85 percent; SN with palpable nodes was found in 92 percent; LAS node was found in 98. 5%; If three or more LNs were identified by LAS. CONCLUSIONLAS, the FNR could be reduced to 8. 0 percent and negative predictive value in predicting node-negative axilla post-NACT, with a node-negative axilla post-NACT. LAS can be used to forecast negative axilla with a 10% risk of experiencing residual disease.

Source link: https://doi.org/10.1200/GO.20.00246

* 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