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https://www.readbyqxmd.com/read/29344213/sentinel-lymph-node-mapping-in-gynecological-oncology
#1
Jiang Du, Yaling Li, Qing Wang, Nasra Batchu, Junkai Zou, Chao Sun, Shulan Lv, Qing Song, Qiling Li
The intraoperative mapping of sentinel lymph nodes (SLNs) is part of the treatment strategy for a number of types of tumor. To retrospectively compare results from the mapping of pelvic SLNs for gynecological oncology, using distinct dyes, the present review was conducted to determine the clinical significance of SLN mapping for gynecological oncology. In addition, the present study aimed at identifying an improved choice for SLN mapping tracers in clinical application. Each dye exhibits demerits when applied in the clinical environment...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29341619/a-new-folate-grafted-chitosan-derivative-to-improve-the-delivery-of-paclitaxel-loaded-solid-lipid-nanoparticles-for-lung-tumour-therapy-by-inhalation
#2
Remi Rosiere, Matthias Van Woensel, Michel Gelbcke, Véronique Mathieu, Julien Hecq, Thomas Mathivet, Marjorie Vermeersch, Pierre G Van Antwerpen, Karim Amighi, Nathalie Wauthoz
Inhaled chemotherapy for the treatment of lung tumours requires that drug delivery systems improve selectivity for cancer cells and tumour penetration and allow sufficient lung residence. To this end, we developed solid lipid nanoparticles (SLN) with modified surface properties. We successfully synthesized a new folate-grafted copolymer of polyethylene glycol (PEG) and chitosan, F-PEG-HTCC, with a PEG-graft ratio of 7% and a molecular weight range of 211-250 kDa. F-PEG-HTCC-coated, paclitaxel-loaded SLN were prepared with an encapsulation efficiency, mean diameter and zeta potential of about 100%, 250 nm and +32 mV, respectively...
January 17, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29330718/spect-ct-adds-distinct-lymph-node-basins-and-influences-radiologic-findings-and-surgical-approach-for-sentinel-lymph-node-biopsy-in-head-and-neck-melanoma
#3
Becky B Trinh, Brandon C Chapman, Ana Gleisner, Jennifer J Kwak, Rustain Morgan, Martin D McCarter, Csaba Gajdos, Nicole Kounalakis
BACKGROUND: Planar lymphoscintigraphy (PL) has a lower detection rate of sentinel lymph nodes (SLNs) in head and neck melanoma compared with other sites. We assessed situations when single-photon emission computed tomography/computed tomography (SPECT/CT) identified nodes not seen by PL. We also evaluated the impact of SPECT/CT on surgical approach and oncologic outcomes. METHODS: Patients who underwent SLN biopsy (SLNB) for head and neck melanoma with PL and SPECT/CT between November 2011 and December 2016 were included...
January 12, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29329873/preparation-and-characterization-of-citral-loaded-solid-lipid-nanoparticles
#4
Huaixiang Tian, Zhuoyan Lu, Danfeng Li, Jing Hu
Citral-loaded solid lipid nanoparticles (citral-SLNs) were prepared via a high-pressure homogenization method, using glyceryl monostearate (GMS) as the solid lipid and a mixture of Tween 80 (T-80) and Span 80 (S-80) at a weight ratio of 1:1 as the surfactant. The microstructure and properties of the citral-SLNs were characterized by dynamic light scattering (DLS), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and thermal gravimetric analysis (TGA)...
May 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29329752/role-of-frozen-section-in-sentinel-lymph-node-biopsy-for-breast-cancer-in-the-era-of-the-acosog-z0011-and-ibcsg-23-10-trials
#5
Augusto Lombardi, Giuseppe Nigri, Stefano Maggi, Gianluca Stanzani, Valeria Vitale, Andrea Vecchione, Alessandro Nania, Claudio Amanti
BACKGROUND: Intraoperative frozen sections (FS) of sentinel lymph nodes (SLN) were evaluated to avoid the need for deferred axillary lymph node dissection (ALND) in patients with early breast cancer (EBC). However, FS has low sensitivity for detecting micro-metastases (<2 mm), resulting in patients who later undergo deferred ALND. The aim of the study was to determine the best clinical approach for selecting patients who would derive real benefit from ALND, as well as to minimize the functional and psychological damage caused by delayed surgery, and the risk of undertreating EBC patients...
January 9, 2018: Surgeon: Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland
https://www.readbyqxmd.com/read/29307097/robotic-inguinal-lymph-node-dissection-for-melanoma-a-novel-approach-to-a-complicated-problem
#6
G Alan Hyde, Nathan L Jung, Alvaro A Valle, Syamal D Bhattacharya, Christopher E Keel
BACKGROUND: Indications for superficial inguinal lymph node (ILN) dissection in melanoma include fine needle aspiration or clinically positive ILN and sentinel lymph nodes (SLN). Open inguinal lymphadenectomy may be complicated by poor wound healing, deep vein thrombosis, and lymphedema. Technical considerations and case series of a novel surgical approach, robotic inguinal lymphadenectomy, are presented. METHODS: This is a case series of four robotic ILN dissections for melanoma at a tertiary care facility...
January 6, 2018: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/29306022/t-regulatory-cells-mediate-immunosuppresion-by-adenosine-in-peripheral-blood-sentinel-lymph-node-and-tils-from-melanoma-patients
#7
P Di Gennaro, G Gerlini, R Caporale, S Sestini, P Brandani, C Urso, N Pimpinelli, L Borgognoni
T regulatory cells (Tregs), involved in tumour tolerance, can generate Adenosine by CD39/CD73 surface enzymes, which identify four Tregs subsets: CD39+CD73- nTregs, CD39+CD73+ iTregs, CD39-CD73+ oTregs and CD39-CD73- xTregs. In melanoma patients, increased Tregs levels are detected in peripheral blood (PB), sentinel lymph node (SLN) and tumour infiltrating lymphocytes (TILs), but Adenosine role was not investigated yet. We examined total Tregs and Adenosine subsets in PB, SLN and TILs from melanoma patients (n = 32) and PB from healthy donors (HD; n = 10) by flow cytometry...
January 3, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29290489/the-utility-of-sentinel-lymph-node-mapping-in-the-management-of-endometrial-atypical-hyperplasia
#8
Omar Touhami, Jean Grégoire, Marie-Claude Renaud, Alexandra Sebastianelli, Katherine Grondin, Marie Plante
OBJECTIVES: To determine the risk of endometrial cancer (EC) and lymph node involvement in patients with a preoperative diagnosis of "AH-only" versus "AH - cannot rule out carcinoma" and to study the value of SLN mapping. METHODS: We reviewed all patients with a preoperative diagnosis of atypical hyperplasia, who underwent primary surgery with SLN mapping followed by pelvic lymphadenectomy. Sensitivity and negative predictive value (NPV) of SLN and rates of endometrial cancer were calculated...
December 28, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/29289416/lymphatic-transit-rate-as-a-predictive-parameter-for-nodal-metastasis-in-primary-limb-malignant-melanoma
#9
Masao Fujiwara, Takahiro Suzuki, Akira Kasuya, Takatoshi Shimauchi, Hidekazu Fukamizu, Yoshiki Tokura
BACKGROUND: The status of sentinel lymph node (SLN) is one of the most predictive prognostic factors in patients with clinically localized malignant melanomas (MMs). However, since the positive SLN metastatic rate is as low as 20%, it is desirable to minimize SLN biopsy performance with imaging. By dynamic lymphoscintigraphy, we have proposed the lymphatic transit rate (LTR), the value that the distance between the primary lesion and SLN is divided by scintigraphic saturation time. LTR represents the scintigraphic saturation velocity and can be used for evaluation of metastasis of skin cancers...
December 24, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29286917/protein-and-dna-evidences-of-hcmv-infection-in-primary-breast-cancer-tissues-and-metastatic-sentinel-lymph-nodes
#10
Jian Cui, Qian Wang, Hai-Bo Wang, Bin Wang, Ling Li
BACKGROUND AND OBJECTIVE: Breast cancer is the leading cause of death in women worldwide. There are evidences that human cytomegalovirus (HCMV) infection is associated with several malignant tumors. This study aims to investigate the infection of human cytomegalovirus (HCMV) in a large sample of breast cancer patients, and conduct a correlation analysis of clinical and pathological factors, to provide evidence for whether HCMV infection is associated with breast cancer development, progression and metastasis...
December 19, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/29278579/sentinel-lymph-node-surgery-in-prostate-cancer-using-magnetic-particles
#11
Alexander Winter, Svenja Engels, Friedhelm Wawroschek
PURPOSE OF REVIEW: Superparamagnetic iron oxide nanoparticles (SPIONs) are tested to identify sentinel lymph nodes (SLNs) to exploit the advantages of targeted pelvic SLN dissection (sPLND), while circumventing the disadvantages of established radioactive labeling. Here we review recent studies about sPLND in prostate cancer (PCa), including the first results of SLN detection using intraprostatic SPION-injection. RECENT FINDINGS: A recent systematic literature review reveals that the diagnostic accuracy of sPLND is comparable with extended PLND (ePLND)...
December 22, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/29249274/evaluation-of-the-diagnostic-value-of-preoperative-sentinel-lymph-node-sln-imaging-in-penile-carcinoma-patients-without-palpable-inguinal-lymph-nodes-via-single-photon-emission-computed-tomography-computed-tomography-spect-ct-as-compared-to-planar-scintigraphy
#12
Carsten Maik Naumann, Christian Colberg, Michael Jüptner, Marlies Marx, Yi Zhao, Ping Jiang, Moritz Franz Hamann, Klaus-Peter Jünemann, Maaz Zuhayra, Ulf Lützen
BACKGROUND: Sentinel lymph node (SLN) biopsy represents a well-established diagnostic tool for the assessment of lymphatic metastasis. Correct pre- and intraoperative visualization of SLN is of the utmost importance to ensure the safety and feasibility of the procedure. Aim of this study was to evaluate the diagnostic value of preoperative SLN imaging via single photon emission computed tomography/computed tomography (SPECT/CT) and planar scintigraphy in patients with penile carcinoma with nonpalpable inguinal lymph nodes...
December 14, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/29248292/long-term-outcomes-after-near-infrared-sentinel-lymph-node-mapping-in-non-small-cell-lung-cancer
#13
Christopher S Digesu, Krista J Hachey, Denis M Gilmore, Onkar V Khullar, Hisashi Tsukada, Brian Whang, Lucian R Chirieac, Robert F Padera, Michael T Jaklitsch, Yolonda L Colson
OBJECTIVE: To report the first analysis of long-term outcomes using near-infrared (NIR) image-guided sentinel lymph node (SLN) mapping in non-small cell lung cancer (NSCLC). METHODS: Retrospective analysis of patients with NSCLC enrolled in 2 prospective phase 1 NIR-guided SLN mapping trials, including an indocyanine green (ICG) dose-escalation trial, was performed. All patients underwent NIR imaging for SLN identification followed by multistation mediastinal lymph node sampling (MLNS) and pathologic assessment...
December 13, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29246402/selective-sentinel-lymph-node-biopsy-in-male-breast-cancer
#14
J J Martin-Marcuartu, R M Alvarez-Perez, J M Sousa Vaquero, J M Jimenez-Hoyuela García
OBJECTIVE: To evaluate the reproducibility of the sentinel lymph node (SLN) technique in male breast cancer. MATERIAL AND METHODS: We retrospectively analysed 21 male patients diagnosed with breast cancer in our hospital from 2008 to 2016 with, at least, 18 months follow-up. Fifteen patients underwent selective sentinel lymph node biopsy (SLNB) following the usual protocols with peritumoral injection of 18.5-111MBq of 99mTc-nanocoloides and acquisition of planar images 2hours after the injection...
December 12, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/29241310/indocyanine-green-fluorescence-guided-sentinel-lymph-node-identification-in-urologic-cancers-a-systematic-review-and-meta-analysis
#15
Fouad Aoun, Simone Albisinni, Marc Zanaty, Toufic Hassan, Gunter Janetschek, Roland van Velthoven
INTRODUCTION: To date, bilateral pelvic lymph node dissection (PLND) represents the most accurate and reliable staging procedure for the detection of lymph node invasion in prostate cancer and bladder cancer. However, the procedure is not devoid of complications. In this field, Indocyanine green fluorescence-guided sentinel lymph node (SLN) identification is an emerging and promising technique, as accurate staging of urologic cancer could be enhanced by a thorough evaluation of the sentinel lymph nodes...
December 14, 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/29240580/prognostic-significance-of-periadnexal-extension-in-cutaneous-melanoma-and-its-implications-for-pathologic-reporting-and-staging
#16
Tristan J Dodds, Serigne Lo, Louise Jackett, Omgo Nieweg, John F Thompson, Richard A Scolyer
Tumor thickness is the strongest predictor of outcome for clinically localized melanoma. Therefore, accurate assessment is critical for appropriate staging, reliable estimation of prognosis, and management. When melanoma extends alongside skin adnexal structures more deeply than the main tumor mass (periadnexal extension), it is currently unknown whether the prognosis is more accurately reflected by the deepest point of periadnexal tumor extension or the main tumor mass. This study sought to address this question...
December 7, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29239242/fluconazole-loaded-solid-lipid-nanoparticles-topical-gel-for-treatment-of-pityriasis-versicolor-formulation-and-clinical-study
#17
Shaimaa El-Housiny, Maii Atef Shams Eldeen, Yasmina Ahmed El-Attar, Hoda A Salem, Dalia Attia, Ehab R Bendas, Mohamed A El-Nabarawi
Solid lipid nanoparticles (SLNs) are very potential formulations for topical delivery of antifungal drugs. Hence, the purpose of this research was to formulate the well-known antifungal agent Fluconazole (FLZ)-loaded SLNs topical gel to improve its efficiency for treatment of Pityriasis Versicolor (PV). FLZ-SLNs were prepared by modified high shear homogenization and ultrasonication method using different concentration of solid lipid (Compritol 888 ATO, Precirol ATO5) and surfactant (Cremophor RH40, Poloxamer 407)...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29237373/editorial-applications-of-solid-lipid-nanoparticles-sln-and-nanostructured-lipid-carriers-nlc-state-of-the-art
#18
EDITORIAL
Ana Catarina Silva, Maria Helena Amaral, Jose Manuel Sousa Lobo, Hugo Almeida
No abstract text is available yet for this article.
December 13, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29237238/directional-probe-for-radio-guided-surgery-a-pilot-study
#19
Roberto Massari, Antonio Ucci, Annunziata D'Elia, Costantino Campisi, Emilio Bertani, Alessandro Soluri
The sentinel lymph node (SLN) biopsy technique has highly evolved during the last twenty years. Consequently, the intraoperative use of Gamma Probes (GPs) for SLN mapping is increased. This preliminary study evaluates a novel directional GP prototype. This proof-of-concept prototype is designed to identify the direction of radiopharmaceuticals uptakes, by combining the information from multiple detectors. The purpose of this work is to develop a tool able to effectively guide the surgeon reducing the surgery time...
December 13, 2017: Medical Physics
https://www.readbyqxmd.com/read/29236202/sentinel-lymph-node-biopsy-and-management-of-regional-lymph-nodes-in-melanoma-american-society-of-clinical-oncology-and-society-of-surgical-oncology-clinical-practice-guideline-update
#20
Sandra L Wong, Mark B Faries, Erin B Kennedy, Sanjiv S Agarwala, Timothy J Akhurst, Charlotte Ariyan, Charles M Balch, Barry S Berman, Alistair Cochran, Keith A Delman, Mark Gorman, John M Kirkwood, Marc D Moncrieff, Jonathan S Zager, Gary H Lyman
PURPOSE: To update the American Society of Clinical Oncology (ASCO)-Society of Surgical Oncology (SSO) guideline for sentinel lymph node (SLN) biopsy in melanoma. METHODS: An ASCO-SSO panel was formed, and a systematic review of the literature was conducted regarding SLN biopsy and completion lymph node dissection (CLND) after a positive sentinel node in patients with melanoma. RESULTS: Nine new observational studies, two systematic reviews and an updated randomized controlled trial (RCT) of SLN biopsy, as well as two randomized controlled trials of CLND after positive SLN biopsy, were included...
December 13, 2017: Annals of Surgical Oncology
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