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https://www.readbyqxmd.com/read/28533155/indications-and-techniques-for-robotic-pelvic-and-para-aortic-lymphadenectomy-with-sentinel-lymph-node-mapping-in-gynecologic-oncology
#1
REVIEW
Ketura Preya A Wisner, Sarfraz Ahmad, Robert W Holloway
Robotic-assisted laparoscopic surgery is the most common approach for the treatment of early-stage endometrial and cervical cancers in the US. Surgical staging requires pelvic and often aortic lymphadenectomy, depending on the primary tumor characteristics. Pelvic and aortic lymphadenectomy procedures may also be indicated for debulking of larger metastases to improve disease control. The infra-renal basin is an important anatomic site of metastasis from pelvic tumors, and robotic dissection techniques for this site have been described...
April 24, 2017: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28528918/a-prospective-validation-study-of-sentinel-lymph-node-mapping-for-high-risk-endometrial-cancer
#2
Pamela T Soliman, Shannon N Westin, Shayan Dioun, Charlotte C Sun, Elizabeth Euscher, Mark F Munsell, Nicole D Fleming, Charles Levenback, Michael Frumovitz, Pedro T Ramirez, Karen H Lu
OBJECTIVE: Sentinel lymph node (SLN) mapping continues to evolve in the surgical staging of endometrial cancer (EC). The purpose of this trial was to identify the sensitivity, false negative rate (FNR) and FN predictive value (FNPV) of SLN compared to complete pelvic and para-aortic lymphadenectomy (LAD) in women with high-risk EC. METHODS: Women with high-risk EC (grade 3, serous, clear cell, carcinosarcoma) were enrolled in this prospective surgical trial. All patients underwent preoperative PET/CT and intraoperative SLN biopsy followed by LAD...
May 18, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28526975/lipid-nanoparticles-for-administration-of-poorly-water-soluble-neuroactive-drugs
#3
Elisabetta Esposito, Markus Drechsler, Paolo Mariani, Federica Carducci, Michela Servadio, Francesca Melancia, Patrizia Ratano, Patrizia Campolongo, Viviana Trezza, Rita Cortesi, Claudio Nastruzzi
This study describes the potential of solid lipid nanoparticles and nanostructured lipid carriers as nano-formulations to administer to the central nervous system poorly water soluble drugs. Different neuroactive drugs, i.e. dimethylfumarate, retinyl palmitate, progesterone and the endocannabinoid hydrolysis inhibitor URB597 have been studied. Lipid nanoparticles constituted of tristearin or tristearin in association with gliceryl monoolein were produced. The nanoencapsulation strategy allowed to obtain biocompatible and non-toxic vehicles, able to increase the solubility of the considered neuroactive drugs...
September 2017: Biomedical Microdevices
https://www.readbyqxmd.com/read/28526193/effects-of-multiple-breath-hold-reproducibility-on-treatment-localization-and-dosimetric-accuracy-in-radiotherapy-of-left-sided-breast-cancer-with-voluntary-deep-inspiration-breath-hold-technique
#4
Mika Kapanen, Marko Laaksomaa, Jani Pehkonen, Mikko Haltamo, Helmi Luukkanen, Turkka Lehtonen, Simo Hyödynmaa, Pirkko-Liisa Kellokumpu-Lehtinen
The purpose of this study was to investigate the effects of breath hold reproducibility on positional and dosimetric errors in radiotherapy of patients with left-sided breast cancer (LSBC) treated with voluntary deep inspiration breath hold (vDIBH) technique. Clinical data from 2 groups of patients with LSBC were retrospectively investigated: (1) those irradiated for the whole breast only (WB group, n = 20) using typically from 3 to 5 breath holds per treatment session and (2) those irradiated simultaneously also for supraclavicular lymph nodes (WB + SLN group, n = 27) using from 7 to 9 breath holds per fraction...
May 16, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/28523882/phacomatosis-pigmentokeratotica-a-mosaic-rasopathy-with-malignant-potential
#5
Amit Om, Sara S Cathey, Robert M Gathings, Michelle Hudspeth, Jennifer A Lee, Sean Marzolf, Lara Wine Lee
Phacomatosis pigmentokeratotica (PPK) is a rare epidermal nevus syndrome characterized by the co-occurrence of a nevus sebaceous arranged along the lines of Blaschko with a speckled lentiginous nevus (SLN). We report a novel KRAS mutation in a patient with a large nevus sebaceous and an SLN who subsequently developed a vaginal botryoid rhabdomyosarcoma, an association not previously reported in the literature. This case expands our knowledge of the genetic basis for phacomatosis, in which mutations in HRAS have been previously described, although this report provides evidence that activating mutations in KRAS or HRAS may cause PPK...
May 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28511723/feasibility-and-diagnostic-performance-of-dual-tracer-guided-sentinel-lymph-node-biopsy-in-ct1-2n0m0-gastric-cancer-a-systematic-review-and-meta-analysis-of-diagnostic-studies
#6
REVIEW
Ling Huang, Tao Wei, Junjun Chen, Donghui Zhou
BACKGROUND: Dual-tracer-guided sentinel lymph node (SLN) biopsy may provide a promising diagnostic tool to assess accurately the status of lymph node metastasis in the surgical operation and assure the oncologic safety of the function or stomach preserving surgery. The diagnostic performance of this technology in recent studies varied. Thus, we conducted this meta-analysis. METHODS: This systematic review and meta-analysis was registered at the PROSPERO. Eligible studies were searched in the PubMed, EMBASE, Web of Knowledge, and Cochrane Library databases...
May 16, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28508233/sentinel-lymph-node-mapping-with-isosulfan-blue-or-indocyanine-green-in-colon-cancer-shows-comparable-results-and-identifies-patients-with-decreased-survival-a-prospective-single-center-trial
#7
Benjamin Weixler, Andreas Rickenbacher, Dimitri Aristotle Raptis, Carsten T Viehl, Ulrich Guller, Jessica Rueff, Andreas Zettl, Markus Zuber
BACKGROUND: Sentinel lymph node (SLN) mapping was reported to improve lymph node staging in colon cancer. This study compares isosulfan blue (IB) with indocyanine green (ICG)-based SLN-mapping and assesses the prognostic value of isolated tumor cells (ITC) and micro-metastases in upstaged patients. METHODS: A total of 220 stage I-III colon cancer patients were included in this prospective single-center study. In 170 patients, SLN-mapping was performed in vivo with IB and in 50 patients ex vivo with ICG...
May 15, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28508145/sentinel-lymph-node-biopsy-for-recurrent-melanoma-a-multicenter-study
#8
Georgia M Beasley, Yinin Hu, Linda Youngwirth, Randall P Scheri, April K Salama, Kara Rossfeld, Syed Gardezi, Doreen M Agnese, J Harrison Howard, Douglas S Tyler, Craig L Slingluff, Alicia M Terando
BACKGROUND: Sentinel lymph node biopsy (SLNB) is routinely performed for primary cutaneous melanomas; however, limited data exist for SLNB after locally recurrent (LR) or in-transit (IT) melanoma. METHODS: Data from three centers performing SLNB for LR/IT melanoma (1997 to the present) were reviewed, with the aim of assessing (1) success rate; (2) SLNB positivity; and (3) prognostic value of SLNB in this population. RESULTS: The study cohort included 107 patients...
May 15, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28507722/novel-bright-emission-small-molecule-nir-ii-fluorophores-for-in-vivo-tumor-imaging-and-image-guided-surgery
#9
Yao Sun, Mingmin Ding, Xiaodong Zeng, Yuling Xiao, Huaping Wu, Hui Zhou, Bingbing Ding, Chunrong Qu, Wei Hou, Aga Er-Bu, Yejun Zhang, Zhen Cheng, Xuechuan Hong
Though high brightness and biocompatible small NIR-II dyes are highly desirable in clinical or translational cancer research, their fluorescent cores are relatively limited and their synthetic processes are somewhat complicated. Herein, we have explored the design and synthesis of novel NIR-II fluorescent materials (H1) without tedious chromatographic isolation with improved fluorescence performance (QY ≈ 2%) by introducing 2-amino 9,9-dialkyl-substituted fluorene as a donor into the backbone. Several types of water-soluble and biocompatible NIR-II probes: SXH, SDH, and H1 NPs were constructed via different chemical strategies based on H1, and then their potential to be used in in vivo tumor imaging and image-guided surgery in the NIR-II region was explored...
May 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28503075/imprint-cytology-versus-frozen-section-analysis-for-intraoperative-assessment-of-sentinel-lymph-node-in-breast-cancer
#10
Thalia Petropoulou, Antonia Kapoula, Aikaterini Mastoraki, Aikaterini Politi, Eleni Spanidou-Karvouni, Ioannis Psychogios, Ioannis Vassiliou, Nikolaos Arkadopoulos
INTRODUCTION: Sentinel lymph node (SLN) biopsy is the gold standard for surgical staging of the axilla in breast cancer (BC). Frozen section (FS) remains the most popular means of intraoperative SLN diagnosis. Imprint cytology (IC) has also been suggested as a less expensive and equally accurate alternative to FS. The aim of our study was to perform a direct comparison between IC and FS on the same SLNs of BC cases operated in a single center by the same surgical team. MATERIALS AND METHODS: Into this prospective study we enrolled 60 consecutive patients with histologically proven T1-T3 BC and clinically negative axilla...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28502895/nanostructured-lipid-carriers-employing-polyphenols-as-promising-anticancer-agents-quality-by-design-qbd-approach
#11
Ketki Bhise, Sushil Kumar Kashaw, Samaresh Sau, Arun K Iyer
Cancer is one of the leading causes of death worldwide. There are several hurdles in cancer therapy because of side-effects which limits its usage. Nanoparticulate drug delivery systems have been tested against cancer in a range of scientific studies. In the recent years, advanced research on Nanostructured Lipid Carriers (NLCs) has garnered considerable attention owing to the advantages over their first-generation counterparts, Solid Lipid Nanoparticles (SLN). NLCs facilitate efficient loading of poorly water soluble drugs with simple methods of drug loading...
May 11, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28498821/clinical-significance-of-mskcc-nomogram-on-guiding-the-application-of-touch-imprint-cytology-and-frozen-section-in-intraoperative-assessment-of-breast-sentinel-lymph-nodes
#12
Lisha Sun, Guanglei Chen, Yizhen Zhou, Lei Zhang, Zining Jin, Weiguang Liu, Guangping Wu, Feng Jin, Kai Li, Bo Chen
The widely practiced intra-operative methods for rapid evaluation and detection of sentinel lymph node (SLN) status include frozen section (FS) and touch imprint cytology (TIC). This study optimized the use of TIC and FS in the intra-operative detection of breast SLNs based on the Memorial Sloan Kettering Cancer Center (MSKCC) nomogram. Three hundred forty-two SLNs were removed from 79 patients. SLN metastatic probability was assessed by the MSKCC nomogram. The SLNs underwent intra-operative TIC and FS, as well as routine post-operative paraffin sections (RPSs)...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28492965/role-of-icg-99m-tc-nanocolloid-for-sentinel-lymph-node-detection-in-cervical-cancer-a-pilot-study
#13
Pilar Paredes, Sergi Vidal-Sicart, Francisco Campos, Andrés Tapias, Nuria Sánchez, Sergio Martínez, Lorena Carballo, Jaume Pahisa, Aureli Torné, Jaume Ordi, Francesc Carmona, Francisco Lomeña
PURPOSE: Sentinel lymph node biopsy (SLNB) can be used for nodal staging in early cervical cancer. For this purpose, the tracers most commonly used are radiotracers based on technetium. For the last decade, indocyanine green (ICG) has been used as a tracer for SLNB in other malignancies with excellent results and, more recently, a combination of ICG and a radiotracer has been shown to have the advantages of both tracers. The aim of this study was to evaluate the role of ICG-(99m)Tc-nanocolloid in SLN detection in patients with cervical cancer...
May 10, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28489677/futility-of-imaging-to-stage-melanoma-patients-with-a-positive-sentinel-lymph-node
#14
Lodewijka H J Holtkamp, Rebecca L Read, Louise Emmett, John F Thompson, Omgo E Nieweg
The use of staging imaging in melanoma patients with a positive sentinel lymph node (SLN) has been reported to be of limited value. Improved accuracy resulting from the development of time-of-flight positron emission tomography (PET) and ongoing image quality improvement of computed tomography (CT) may challenge this statement. Our retrospective study assessed the clinical value of routine staging CT and PET/CT imaging in a recent cohort of asymptomatic SLN-positive patients. Between January 2011 and April 2014, 143 patients with a positive SLN were routinely staged using CT of various parts of the body or whole-body PET/CT...
May 4, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28487373/interactions-between-small-ankyrin-1-and-sarcolipin-coordinately-regulate-activity-of-the-sarco-endo-plasmic-reticulum-ca2-atpase-serca1
#15
Patrick F Desmond, Amanda Labuza, Joaquin Muriel, Michele L Markwardt, Allison E Mancini, Mark A Rizzo, Robert J Bloch
SERCA1, the sarco(endo)plasmic reticulum Ca2+-ATPase of skeletal muscle, is essential for muscle relaxation and maintenance of low resting Ca2+ levels in the myoplasm. We recently reported that small ankyrin 1 (sAnk1) interacts with the sarco(endo)plasmic reticulum Ca2+-ATPase in skeletal muscle (SERCA1) to inhibit its activity (1). We also showed that this interaction is mediated at least in part through sAnk1's transmembrane domain in a manner similar to that of sarcolipin (SLN). Earlier studies have shown that SLN and phospholamban (PLN), the other well-studied small SERCA-regulatory proteins, oligomerize either alone or together...
May 9, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28484664/sentinel-lymph-node-mapping-in-patients-with-endometrial-carcinoma-less-can-be-more
#16
Mario M Leitao
PURPOSE OF REVIEW: The role and extent of lymphadenectomy for endometrial carcinoma has been debated for over 30 years. Many clinicians argue that there is therapeutic value for lymphadenectomy in patients deemed to be "at risk", a designation not universally defined, despite the lack of randomized data supporting this argument. However, lymphadenectomy is associated with morbidity, including lower extremity lymphedema. Sentinel lymph node (SLN) mapping is emerging as a viable alternative to comprehensive lymphadenectomy in the surgical staging of patients with endometrial cancer...
December 2016: Current Obstetrics and Gynecology Reports
https://www.readbyqxmd.com/read/28482611/cetuximab-conjugated-and-doxorubicin-loaded-silica-nanoparticles-for-tumor-targeting-and-tumor-microenvironment-responsive-binary-drug-delivery-of-liver-cancer-therapy
#17
Jia-Kang Wang, Yu-Ying Zhou, Shu-Jun Guo, Ya-Yu Wang, Chang-Jun Nie, Hai-Long Wang, Jia-Lang Wang, Ying Zhao, Xiao-Yan Li, Xiao-Jia Chen
In the present study, we successfully developed a preferable doxorubicin (Dox) loaded drug delivery system based on Cetuximab and silica nanoparticles (Cet-SLN/Dox). By employing the tumor homing property of Cetuximab and the drug-loading capability of silica nanoparticles, the prepared Cet-SLN/Dox was able to load Dox to achieve the co-delivery of two drugs (Cetuximab and Dox). In vitro analysis revealed that Cet-SLN/Dox was nano-sized particles with decent drug loading capabilities and smart drug release profile...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28473989/the-noninvasive-treatment-for-sentinel-lymph-node-metastasis-by-photodynamic-therapy-using-phospholipid-polymer-as-a-nanotransporter-of-verteporfin
#18
Kyosuke Shimada, Sachiko Matsuda, Hiromitsu Jinno, Noriaki Kameyama, Tomohiro Konno, Tsunenori Arai, Kazuhiko Ishihara, Yuko Kitagawa
Aim. The usefulness of photodynamic therapy (PDT) for treating sentinel lymph node (SLN) metastasis was evaluated. Materials and Methods. Verteporfin, a hydrophobic photosensitizer, forms a soluble aggregate with poly(2-methacryloyloxyethyl phosphorylcholine-co-n-butyl methacrylate) (PMB). The concentrations of verteporfin were determined by measuring the fluorescence emitted at 700 nm. Seven days after the inoculation of A431 cells at the forearm of BALB/c nude mice, PMB-verteporfin was injected at dorsum manus and 75 J of light energy was delivered for 1 minute...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28466456/new-procedures-for-the-identification-of-sentinel-lymph-node-shaping-the-horizon-of-future-management-in-early-stage-uterine-cervical-cancer
#19
Diego Rossetti, Salvatore Giovanni Vitale, Alessandro Tropea, Antonio Biondi, Antonio Simone Laganà
Lymph node metastasis is one of the most important prognostic factors for uterine cervical cancer, although lymph node status is not part of the International Federation of Gynaecology and Obstetrics (FIGO) staging. Considering the increasing attention about the topic, we performed a comprehensive review of the literature, to assess the accuracy of real-time fluorescence sentinel lymph node (SLN) for the detection of nodal metastases in patients with early stage cervical cancer (ESCC). In this work, we discuss the different techniques for SLN mapping and the accuracy of each one of them and, basing on these data, summarize the most important recommendations...
May 2, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28460444/simultaneous-sentinel-lymph-node-computed-tomography-and-locoregional-chemotherapy-for-lymph-node-metastasis-in-rabbit-using-an-iodine-docetaxel-emulsion
#20
Honsoul Kim, Eun-Ji Jang, Sang Kyum Kim, Woo Jin Hyung, Dong Kyu Choi, Soo-Jeong Lim, Joon Seok Lim
PURPOSE: A sentinel lymph node (SLN) tracer can gain multi-functionality by combining it with additional components. We developed a SLN tracer consisting of iodine and docetaxel and applied it as a theragnostic nanoparticle to simultaneously perform SLN computed tomography (CT) lymphography and locoregional chemotherapy of the draining lymphatic system. RESULTS: Docetaxel could be loaded in iodine emulsions at a drug-to-surfactant weight ratio as high as that in the drug formulation Taxotere®...
April 18, 2017: Oncotarget
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