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https://www.readbyqxmd.com/read/29446846/histological-immune-response-patterns-in-sentinel-lymph-nodes-involved-by-metastatic-melanoma-and-prognostic-significance
#1
James Abbott, Meghan Buckley, Laura A Taylor, George Xu, Giorgos Karakousis, Brian J Czerniecki, Phyllis A Gimotty, Paul J Zhang
AIMS: To further characterize the micromorphometric immunological pattern to metastatic melanoma in SLN biopsies and completion lymph node (CLN) dissections and their relation to 5-year overall survival. METHODS: Retrospective cohort of 49 patients from 1996 to 2005 with a positive SLN who underwent CLN dissection were studied. Micromorphometric characteristics included: follicular center count per profile (FCC), sinus histiocytosis, metastatic size, tumor infiltrating lymphocytes (intranodal), paracortial dendritic cells, germinal center reaction, and morphology...
February 15, 2018: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29445878/feasibility-of-intraoperative-detection-of-sentinel-lymph-nodes-with-89-zirconium-labelled-nanocolloidal-albumin-pet-ct-and-a-handheld-high-energy-gamma-probe
#2
Derrek A Heuveling, K Hakki Karagozoglu, Arthur Van Lingen, Otto S Hoekstra, Guus A M S Van Dongen, Remco De Bree
BACKGROUND: PET/CT lymphoscintigraphy using 89 Zr-nanocolloidal albumin has the potential to improve the preoperative identification of sentinel lymph nodes (SLNs), especially if located in the near proximity of the primary tumour. This study aims to demonstrate the feasibility of PET/CT lymphoscintigraphy followed by intraoperative detection of 89 Zr-nanocolloidal albumin containing SLNs with the use of a handheld high-energy gamma probe. METHODS: PET/CT lymphoscintigraphy was performed after peritumoural injection of 89 Zr-nanocolloidal albumin in five patients with oral cavity carcinoma planned for surgical resection...
February 14, 2018: EJNMMI Research
https://www.readbyqxmd.com/read/29443748/ultrasound-combined-with-fine-needle-aspiration-cytology-for-the-assessment-of-axillary-lymph-nodes-in-patients-with-early-stage-breast-cancer
#3
Fan Zhang, Jing Zhang, Qing-Xin Meng, Xin Zhang
This study aimed to explore the clinical usefulness of ultrasound-guided fine needle aspiration cytology (USG-FNAC) for the evaluation of axillary lymph nodes in patients with early stage breast cancer (BC) among the Chinese Han female population.Around 124 patients with early stage BC were included in this retrospective study. All patients underwent USG-FNAC (group A). Patients with proven metastasis also underwent axillary lymph node dissection (ALND) (group B). In addition, sentinel lymph node biopsy (SLNB) was performed 2 to 5 hours prior to the surgery...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29441833/role-of-number-of-sentinel-nodes-in-predicting-non-sentinel-node-metastasis-in-breast-cancer
#4
Li-Feng Dong, Shu-Ying Xu, Jing-Pei Long, Fang Wan, Yi-Ding Chen
Objective The aim of the present study was to determine how many sentinel lymph nodes (SLNs) are appropriate for predicting non-SLN metastasis in breast cancer. Methods The association between clinicopathological features and non-SLN metastasis was retrospectively analyzed in 472 patients who underwent axillary lymph node dissection (ALND) following SLN biopsy. Another 251 patients who underwent only SLN biopsy without ALND were analyzed and followed up for 2 years. Results A large tumor size, positive SLN, and HER-2 positivity were independent predictors of non-SLN metastasis...
February 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29439780/evolving-imaging-techniques-for-staging-axillary-lymph-nodes-in-breast-cancer
#5
REVIEW
S Lowes, A Leaver, K Cox, K Satchithananda, D Cosgrove, A Lim
The presence and extent of axillary nodal metastases at the time of breast cancer diagnosis is a critical factor in disease prognosis and plays a central role in deciding the best treatment for patients. Accurate assessment of the axilla is therefore an essential component in staging breast cancer. Over the years, axillary staging has evolved from surgical axillary lymph node dissection (ALND), with its numerous associated long-term complications, to the much less-radical surgical sentinel lymph node excision biopsy (SLNB), the current reference standard...
February 10, 2018: Clinical Radiology
https://www.readbyqxmd.com/read/29438650/updated-evidence-based-clinical-practice-guidelines-for-the-diagnosis-and-management-of-melanoma-definitive-excision-margins-for-primary-cutaneous-melanoma
#6
Michael J Sladden, Omgo E Nieweg, Julie Howle, Brendon J Coventry, John F Thompson
Definitive management of primary cutaneous melanoma consists of surgical excision of the melanoma with the aim of curing the patient. The melanoma is widely excised together with a safety margin of surrounding skin and subcutaneous tissue, after the diagnosis and Breslow thickness have been established by histological assessment of the initial excision biopsy specimen. Sentinel lymph node biopsy should be discussed for melanomas ≥ 1 mm thickness (≥ 0.8 mm if other high risk features) in which case lymphoscintigraphy must be performed before wider excision of the primary melanoma site...
February 19, 2018: Medical Journal of Australia
https://www.readbyqxmd.com/read/29436709/fast-and-efficient-genetic-engineering-of-hematopoietic-precursor-cells-for-the-study-of-dendritic-cell-migration
#7
Alexander Leithner, Joerg Renkawitz, Ingrid De Vries, Robert Hauschild, Hans Häcker, Michael Sixt
Dendritic cells (DCs) are sentinels of the adaptive immune system that reside in peripheral organs of mammals. Upon pathogen encounter, they undergo maturation and up-regulate the chemokine receptor CCR7 that guides them along gradients of its chemokine ligands CCL19 and 21 to the next draining lymph node. There, DCs present peripherally acquired antigen to naïve T cells, thereby triggering adaptive immunity. This article is protected by copyright. All rights reserved.
February 13, 2018: European Journal of Immunology
https://www.readbyqxmd.com/read/29433885/can-flow-cytometry-reinvent-the-sentinel-lymph-node-concept-in-gastric-cancer-patients
#8
Tomaz Jagric, Katarina Mis, Maksimilijan Gorenjak, Ales Goropevsek, Rajko Kavalar, Tomaz Mars
BACKGROUND: The focused sentinel lymph node (SLN) concept we proposed previously relied on real time-quantitative polymerase chain reaction (RT-qPCR) to detect tumor cells, which is too elaborate for intraoperative use. Therefore, we evaluated flow cytometry for intraoperative detection of tumor cells in SLNs. METHODS: Sixty-five consecutive gastric cancer patients were included. SLN analysis was carried out for a single SLN from each patient, using the molecular methods of RT-qPCR (first 30 patients) and flow cytometry (final 35 patients)...
March 2018: Journal of Surgical Research
https://www.readbyqxmd.com/read/29430735/reassembly-of-89-zr-labeled-cancer-cell-membranes-into-multicompartment-membrane-derived-liposomes-for-pet-trackable-tumor-targeted-theranostics
#9
Bo Yu, Shreya Goel, Dalong Ni, Paul A Ellison, Cerise M Siamof, Dawei Jiang, Liang Cheng, Lei Kang, Faquan Yu, Zhuang Liu, Todd E Barnhart, Qianjun He, Han Zhang, Weibo Cai
Nanoengineering of cell membranes holds great potential to revolutionize tumor-targeted theranostics, owing to their innate biocompatibility and ability to escape from the immune and reticuloendothelial systems. However, tailoring and integrating cell membranes with drug and imaging agents into one versatile nanoparticle are still challenging. Here, multicompartment membrane-derived liposomes (MCLs) are developed by reassembling cancer cell membranes with Tween-80, and are used to conjugate 89 Zr via deferoxamine chelator and load tetrakis(4-carboxyphenyl) porphyrin for in vivo noninvasive quantitative tracing by positron emission tomography imaging and photodynamic therapy (PDT), respectively...
February 12, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29429940/review-of-novel-sentinel-lymph-node-biopsy-techniques-in-breast-cancer-patients-treated-with-neoadjuvant-chemotherapy
#10
REVIEW
Yeliz Emine Ersoy, Huseyin Kadioglu
Breast cancer patients who present with nodal metastasis receive neoadjuvant chemotherapy (NAC) with increasing frequency and can have complete pathologic response after treatment. In this clinical scenario, sentinel node mapping and biopsy are gaining acceptance instead of axillary dissection to avoid morbidity. Biopsy proven positive lymph nodes must be reliably excised and examined after NAC to further decrease the false negativity rate of sentinel lymph node (SLN) surgery. The standard method for axillary staging in breast cancer patients even after NAC is SLN biopsy (SLNB) with a radioisotope, blue dye, or both (dual technique)...
January 31, 2018: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29427781/retroperitoneal-laparoscopic-paraaortic-lymphadenectomy-in-paraaortical-staging-of-locally-advanced-cervical-cancer
#11
Daniel Vázquez-Vicente, Bárbara Fernández Del Bas, José García Villayzán, Javier Plaza Arranz, Luis Chiva
STUDY OBJECTIVE: The objective was to review/learn a surgical technique not very well known by gynecologic oncologists. DESIGN: Level of evidence: III SETTING: Review of a surgical technique with emphasis on the paraaortic sentinel lymph nodes using indocyanine green. INTERVENTION: The film features the following steps to perform the procedure: 1. Creating a retroperitoneal window. 2. What to do if the peritoneum is torn. 3. Finding the psoas muscle, right ureter, and common iliac artery...
February 7, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29427082/identification-of-tumor-reactive-b-cells-and-systemic-igg-in-breast-cancer-based-on-clonal-frequency-in-the-sentinel-lymph-node
#12
Jonathan R McDaniel, Stephanie C Pero, William N Voss, Girja S Shukla, Yujing Sun, Sebastian Schaetzle, Chang-Han Lee, Andrew P Horton, Seth Harlow, Jimmy Gollihar, Jared W Ellefson, Christopher C Krag, Yuri Tanno, Nikoletta Sidiropoulos, George Georgiou, Gregory C Ippolito, David N Krag
A better understanding of antitumor immune responses is the key to advancing the field of cancer immunotherapy. Endogenous immunity in cancer patients, such as circulating anticancer antibodies or tumor-reactive B cells, has been historically yet incompletely described. Here, we demonstrate that tumor-draining (sentinel) lymph node (SN) is a rich source for tumor-reactive B cells that give rise to systemic IgG anticancer antibodies circulating in the bloodstream of breast cancer patients. Using a synergistic combination of high-throughput B-cell sequencing and quantitative immunoproteomics, we describe the prospective identification of tumor-reactive SN B cells (based on clonal frequency) and also demonstrate an unequivocal link between affinity-matured expanded B-cell clones in the SN and antitumor IgG in the blood...
February 9, 2018: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/29424101/sentinel-lymph-node-mapping-in-liver-resection-for-colorectal-liver-metastases
#13
Marcos V Perini, James Tai, Vijayaragavan Muralidharan, Christopher Christophi
No abstract text is available yet for this article.
February 8, 2018: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/29420082/invited-brief-commentary-sentinel-lymph-node-status-is-a-main-prognostic-parameter-needful-for-the-correct-staging-of-patients-with-melanoma-thicker-than-4-mm-single-institutional-experience-and-literature-meta-analysis
#14
John T Vetto
No abstract text is available yet for this article.
February 8, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/29416374/one-step-nucleic-acid-amplification-the-possible-value-in-assessing-sentinel-lymph-node-metastasis-during-mastectomy
#15
REVIEW
Alison E Hunter-Smith, Zenon Rayter
Breast cancer is the most common cancer in women, worldwide, and 1,400 deaths per day are attributed to it. The success of national screening programs has seen breast cancers being diagnosed at an earlier stage. With conservative surgery to the breast demonstrating equivalent long-term outcomes, the last 10 years have seen a growing interest in the safety of less invasive management for the axilla in breast cancer patients. One-step nucleic acid amplification (OSNA) is a validated, reliable, and efficient tool in identifying micro- and macro-metastases intraoperatively...
2018: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/29413405/a-quantitative-analysis-of-tumour-characteristics-in-breast-cancer-patients-with-extranodal-extension-in-non-sentinel-nodes
#16
REVIEW
N A O'Keeffe, C O'Neill, A Zahere, V Livingstone, T J Browne, H P Redmond, M A Corrigan
BACKGROUND: The presence of extranodal extension (ENE) is well documented as a predictor of non-sentinel lymph node (NSLN) metastasis. The ACOSOG Z0011 trial (2011) concluded that patients who satisfy criteria including the absence of sentinel lymph node (SLN) ENE can forgo axillary clearance (AC). Currently there are no studies analysing the rate of ENE in NSLN metastasis in which the sentinel node was positive but had no ENE. Determining this incidence will help determine if current paradigms are resulting in residual ENE in NSLN metastasis by forgoing AC based on the Z0011 trial...
February 3, 2018: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/29412126/quantification-of-radiation-exposure-of-extremities-for-surgeons-performing-sentinel-lymph-node-removal-procedure
#17
Claudiu Pestean, Maria Iulia Larg, Elena Barbus, Claudiu Badulescu, Doina Piciu
BACKGROUND: Sentinel lymph-node scintigraphy is a useful method in accurate staging of different tumors and a helpful tool in personalized therapy for oncological patients. The radiation exposure for surgical staff has been a concern since the sentinel lymph-node detection method was developed. OBJECTIVE: The objective of the study was to determine and quantify the exposure to radiation of the extremities for the surgeon performing sentinel lymph-node removal and to determine if there is an irradiation risk imposed during the surgical procedure...
February 6, 2018: Current Radiopharmaceuticals
https://www.readbyqxmd.com/read/29411864/-role-of-sentinel-lymph-node-biopsy-as-a-staging-procedure-in-patients-with-melanoma-a-critical-appraisal-by-omgo-e-nieweg-alan-cooper-and-john-f-thompson
#18
Samuel S Zagarella, Michael J Sladden, Catalin M Popescu, Michael E Bigby
No abstract text is available yet for this article.
February 7, 2018: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/29411863/when-is-a-sentinel-node-biopsy-indicated-for-patients-with-primary-melanoma-comment-on-the-australian-guidelines-for-the-management-of-cutaneous-melanoma
#19
Michael Sladden, Samuel Zagarella, Catalin Popescu, Michael Bigby
No abstract text is available yet for this article.
February 7, 2018: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/29408526/prognostic-value-of-sentinel-lymph-node-biopsy-according-to-breslow-thickness-for-cutaneous-melanoma
#20
Evan Stiegel, David Xiong, Jason Ya, Pauline Funchain, Raymond Isakov, Brian Gastman, Alok Vij
BACKGROUND: Sentinel lymph node biopsy (SLNB) is widely performed for melanoma of certain histologic parameters and offers important prognostic and staging information. Breslow thickness (BT) by itself also provides meaningful prognostic information. OBJECTIVE: To evaluate whether sentinel lymph node (SLN) status provides independent prognostic information than that which is already provided by BT. METHODS: We conducted a retrospective cohort study of 896 patients who underwent SLNB for primary cutaneous melanoma...
January 30, 2018: Journal of the American Academy of Dermatology
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