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https://www.readbyqxmd.com/read/27914192/accuracy-and-consequences-of-same-day-invasive-lung-cancer-workup-a-retrospective-study-in-patients-treated-with-surgical-resection
#1
Kirsten Riis Madsen, Asbjørn Høegholm, Uffe Bodtger
BACKGROUND: Though widely used, little is known about accuracy and efficacy of same-day, invasive workup of suspected lung cancer. OBJECTIVE: To evaluate the accuracy and efficacy of same-day, invasive lung cancer workup (diagnosis and mediastinal staging), and to identify differences between patients without (Group A) or with (Group B) need for resampling. METHODS: A retrospective study was performed on all consecutive patients referred for surgical treatment for localised lung cancer after invasive diagnostic and staging workup at our unit...
2016: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/27913945/the-effect-of-prophylactic-central-neck-dissection-on-locoregional-recurrence-in-papillary-thyroid-cancer-after-total-thyroidectomy-a-systematic-review-and-meta-analysis-pcnd-for-the-locoregional-recurrence-of-papillary-thyroid-cancer
#2
Wenjing Zhao, Lei You, Xianming Hou, Shaobo Chen, Xiaoxia Ren, Ge Chen, Yupei Zhao
BACKGROUND: The use of prophylactic central neck dissection (pCND) for papillary thyroid cancer (PTC) without clinical evidence of nodal metastasis (cN0) remains controversial. This study was designed to examine whether pCND for PTC affected locoregional recurrence (LRR). METHODS: A systematic review was performed to compare the LRR between patients with PTC who underwent total thyroidectomy (TT) and pCND and those who underwent TT alone. The primary outcome was LRR...
December 2, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27911989/a-prospective-cohort-study-of-patients-with-peripheral-t-cell-lymphoma-in-the-united-states
#3
Steven M Horwitz, Lauren C Pinter-Brown, Steven T Rosen, Barbara Pro, Eric D Hsi, Massimo Federico, Christian Gisselbrecht, Marc Schwartz, Lisa A Bellm, Mark A Acosta, Andrei R Shustov, Ranjana H Advani, Tatyana A Feldman, Mary Jo Lechowicz, Sonali M Smith, Frederick Lansigan, Anil Tulpule, Michael D Craig, John P Greer, Brad S Kahl, Joseph W Leach, Neil Morganstein, Carla Casulo, Steven I Park, Francine M Foss
BACKGROUND: Long-term survival in patients with aggressive peripheral T-cell lymphoma (PTCL) is generally poor, and there currently is no clear consensus regarding the initial therapy used for these diseases. Herein, the authors analyzed treatment patterns and outcomes in a prospectively collected cohort of patients with a new diagnosis of nodal PTCL in the United States. METHODS: Comprehensive Oncology Measures for Peripheral T-cell Lymphoma Treatment (COMPLETE) is a prospective multicenter cohort study designed to identify the most common prevailing treatment patterns used for patients newly diagnosed with PTCL in the United States...
December 2, 2016: Cancer
https://www.readbyqxmd.com/read/27911533/giant-isotropic-nernst-effect-in-an-anisotropic-kondo-semimetal
#4
Ulrike Stockert, Peijie Sun, Niels Oeschler, Frank Steglich, Toshiro Takabatake, Piers Coleman, Silke Paschen
The "failed Kondo insulator" CeNiSn has long been suspected to be a nodal metal, with a node in the hybridization matrix elements. Here we carry out a series of Nernst effect experiments to delineate whether the severely anisotropic magnetotransport coefficients do indeed derive from a nodal metal or can simply be explained by a highly anisotropic Fermi surface. Our experiments reveal that despite an almost twentyfold anisotropy in the Hall conductivity, the large Nernst signal is isotropic. Taken in conjunction with the magnetotransport anisotropy, these results provide strong support for an isotropic Fermi surface with a large anisotropy in quasiparticle mass derived from a nodal hybridization...
November 18, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27910415/a-multi-cone-x-ray-imaging-bragg-crystal-spectrometer
#5
M Bitter, K W Hill, Lan Gao, P C Efthimion, L Delgado-Apariccio, S Lazerson, N Pablant
This article describes a new x-ray imaging Bragg crystal spectrometer, which-in combination with a streak camera or a gated strip detector-can be used for time-resolved measurements of x-ray line spectra at the National Ignition Facility and other high power laser facilities. The main advantage of this instrument is that it produces perfect images of a point source for each wavelength in a selectable spectral range and that the detector plane can be perpendicular to the crystal surface or inclined by an arbitrary angle with respect to the crystal surface...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910083/radiofrequency-catheter-ablation-of-accessory-pathways-in-patients-with-ebstein-s-anomaly-at-8-years-of-follow-up
#6
Michał Orczykowski, Paweł Derejko, Robert Bodalski, Piotr Urbanek, Joanna Zakrzewska-Koperska, Radosław Sierpiński, Katarzyna Kalin, Andrzej Hasiec, Grzegorz Warmiński, Maria Miszczak-Knecht, Katarzyna Bieganowska, Rafał Baranowski, Maria Bilińska, Elżbieta Biernacka, Piotr Hoffman, Łukasz Szumowski
BACKGROUND: Data regarding long-term follow-up of radiofrequency catheter ablation (RFCA) of accessory pathways (APs) in patients with Ebstein's anomaly (EA) are limited. The procedures are challenging due to multiple or wide APs. METHODS: Analysis was performed on clinical and periprocedural data of patients with EA referred to the centre in order to perform catheter ablation of accessory pathway (AP). The group consisted of 22 patients (female 40.9%, mean age 33...
December 2, 2016: Cardiology Journal
https://www.readbyqxmd.com/read/27910058/gene-delivery-for-the-generation-of-bioartificial-pacemaker
#7
Patrick K W Chan, Ronald A Li
Electronic pacemakers have been used in patients with heart rhythm disorders for device-supported pacing. While effective, there are such shortcomings as limited battery life, permanent implantation of catheters, the lack of autonomic neurohumoral responses, and risks of lead dislodging. Here we describe protocols for establishing porcine models of sick sinus syndrome and complete heart block, and the generation of bioartificial pacemaker by delivering a strategically engineered form of hyperpolarization-activated cyclic nucleotide-gated pacemaker channel protein via somatic gene transfer to convert atrial or ventricular muscle cardiomyocytes into nodal-like cells that rhythmically fire action potentials...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27909513/assessment-of-sinoatrial-node-function-in-patients-with-persistent-and-long-standing-persistent-forms-of-atrial-fibrillation-after-maze-iii-procedure-combined-with-mitral-valve-operation
#8
Kulikov Aleksei A, Bokeria Leo A
RESEARCH OBJECTIVE: Assessment of sinoatrial node function after Maze III procedure combined with a mitral valve operation. METHODS: 100 patients were included in the research with persistent and long-standing persistent forms of atrial fibrillation (AF) and need of operative treatment concerning valve disease. The following preoperative preparation methods were executed to all patients: Electrocardiogram in 12 standard assignments;Two-dimensional echocardiographic with assessment of systolic and diastolic functions of the left ventricle, size of the left atrium and grade of valve disease;Transesophageal echocardiography for exclusion of blood clots in the left atrium and left atrial appendage;Coronary angiography for exclusion of coronary heart disease;Computer tomography for examination of cardiac chambers and anatomic characteristics of pulmonary veins...
June 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909509/junctional-beats-during-cryo-ablation-of-the-slow-pathway-for-the-elimination-of-atrioventricular-nodal-reentrant-tachycardia
#9
Murat Sucu, Vedat Davutoglu, Esra Polat
The patient was a 39-year-old female with recurrent paroxysmal, regular narrow QRS complex tachycardia. Atrioventricular nodal reentrant tachycardia (AVNRT) was induced. The cryo-ablation attempts (-80°C, 240 second) were performed in the inferior-posterior triangle of Koch. We observed several junctional beats during cryo-ablation. After successful cryo-ablation, AVNRT induction was repeatedly checked during a waiting period of 30 minutes without recurrence. In our case we demonstrated that junctional beats can be observed during cryo-ablation...
June 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909503/first-and-second-generation-cryoballoon-ablation-efficacy-restoring-and-maintaining-sinus-rhythm-in-patients-electrically-selected-and-treated-for-long-standing-persistent-atrial-fibrillation-after-acute-complete-electrical-disconnection-of-pulmonary-veins
#10
Jesus M Paylos Md PhD, Luis Azcona Md, Lourdes Lacal Md, Marisol Paradela Md, Carmen Cilleros Md, Ildefonso Del Campo Md, Clara Ferrero Rn Carlos Martínez Md PhD, Aracelis Morales Md
Introduction Cryoballoon ablation (CB) has proven effective to treatment of patients (pts) with atrial fibrillation (AF). However, the isolated efficacy of CB to treat pts with long-standing persistent atrial fibrillation (LSPAF) is less know. We analyzed the acute results and the long-term follow-up of our pts suffering LSPAF and initially treated with CB. Methods A cohort of 44 pts, 37 male (84%) mean age (60±10 year) suffering LSPAF were treated with first (CB1): 15pts, and second (CB2): 29 pts, generation CB...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909485/supraventricular-tachycardia-with-irregular-ventricular-atrial-intervals-and-ventriculo-atrial-block
#11
Prof Dr Murat Sucu, Prof Dr Vedat Davutoglu, Dr Esra Polat
The patient was a 68-year-old female with recurrent paroxysmal, regular narrow QRS complex tachycardia. We observed complete VA conduction block, during tachycardia in our patient. A characteristic feature of our patient is the noticeable irregular atrial and ventricular rates. We considered that possible mechanism of this tachycardia was atrioventricular nodal reentrant tachycardia (AVNRT) with retrograde complete type block in the upper common pathway.
February 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27908089/vibration-analysis-of-coupled-conical-cylindrical-spherical-shells-using-a-fourier-spectral-element-method
#12
Zhu Su, Guoyong Jin
This paper presents a Fourier spectral element method (FSEM) to analyze the free vibration of conical-cylindrical-spherical shells with arbitrary boundary conditions. Cylindrical-conical and cylindrical-spherical shells as special cases are also considered. In this method, each fundamental shell component (i.e., cylindrical, conical, and spherical shells) is divided into appropriate elements. The variational principle in conjunction with first-order shear deformation shell theory is employed to model the shell elements...
November 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27907107/a-time-calibrated-mitogenome-phylogeny-of-catfish-teleostei-siluriformes
#13
Ilias Kappas, Spiros Vittas, Chrysoula N Pantzartzi, Elena Drosopoulou, Zacharias G Scouras
A very significant part of the world's freshwater ichthyofauna is represented by ancient, exceptionally diverse and cosmopolitan ray-finned teleosts of the order Siluriformes. Over the years, catfish have been established as an exemplary model for probing historical biogeography at various scales. Yet, several tantalizing gaps still exist in their phylogenetic history, timeline and mode of diversification. Here, we re-examine the phylogeny of catfish by assembling and analyzing almost all publicly available mitogenome data...
2016: PloS One
https://www.readbyqxmd.com/read/27906676/role-of-systematic-lymphadenectomy-as-part-of-primary-debulking-surgery-for-optimally-cytoreduced-advanced-ovarian-cancer-reappraisal-in-the-era-of-radical-surgery
#14
Kyung Jin Eoh, Jung-Yun Lee, Jung Won Yoon, Eun Ji Nam, Sunghoon Kim, Sang-Wun Kim, Young Tae Kim
The prognostic significance of pelvic and para-aortic lymphadenectomy during primary debulking surgery for advanced-stage ovarian cancer remains unclear. This study aimed to evaluate the survival impact of lymph node dissection (LND) in patients treated with optimal cytoreduction for advanced ovarian cancer. Data from 158 consecutive patients with stage IIIC-IV disease who underwent optimal cytoreduction (<1 cm) were obtained via retrospective chart review. Patients were classified into two groups: (1) lymph node sampling (LNS), node count <20; and (2) LND, node count ≥20...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27905324/primary-neuroendocrine-carcinoma-of-the-breast-a-single-center-experience-and-review-of-the-literature
#15
Paolo Locurto, Angelo Danilo Antona, Antonietta Grillo, Antonio Ciulla, Stefania Martorana, Calogero Cipolla, Giuseppa Graceffa, Salvatore Vieni
: Neuroendocrine carcinoma of the breast is an extremely rare tumor. A standard treatment has yet to be established because only a few cases have been reported in literature. The authors report five cases observed from January 2007 to December 2014 and a review of literature. Four patients underwent quadrantectomy and in two cases axillary nodal dissection and only one to mastectomy with axillary nodal dissection. Tumor size was from T1 to T2 with N0 to N1, according TNM classification...
November 28, 2016: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/27905120/incidence-of-contralateral-bilateral-nodes-in-the-human-papillomavirus-era
#16
Andrew G Tritter, Vikas Mehta, Madeleine Samuelson, Ginger deGravelle, Xiaohui Ma, Tara Medlin-Moore, Amol Takalkar, Gloria Caldito, Cherie-Ann O Nathan
OBJECTIVES/HYPOTHESIS: HPV-positive oropharyngeal squamous cell carcinoma has a more favorable prognosis when compared to HPV-negative disease, regardless of the presence of nodal metastases. However, the importance of contralateral neck treatment based on HPV status has not been well studied. Given the historically poor prognostic implications of cervical nodal metastases, this study sought to elucidate the relationship between HPV status and contralateral/bilateral nodal metastasis in patients with oropharyngeal squamous cell carcinoma...
December 1, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27900818/healthcare-costs-reduced-after-incorporating-the-results-of-the-american-college-of-surgeons-oncology-group-z0011-trial-into-clinical-practice
#17
Michelle M Fillion, Katherine E Glass, Joe Hayek, Allison Wehr, Gary Phillips, Alicia Terando, Doreen M Agnese
The purpose of our study was to quantitate the changes in axillary lymph node dissection (ALND), frozen section (FS), and the impact on costs after the publication of the American College of Surgeons Oncology Group (ACOSOG) Z0011 trial. We compared axillary nodal management and cost data in breast cancer patients who met Z0011 criteria and were treated with lumpectomy and sentinel lymph nodes (SLN) biopsy from 2007 to July 2013. Of 800 patients, 67 (13.5%) and 34 (12.5%) patients in the pre- and post-Z0011 era had 1-2 positive SLN...
November 30, 2016: Breast Journal
https://www.readbyqxmd.com/read/27900764/a-novel-thyroid-cancer-nodal-map-classification-system-to-facilitate-nodal-localization-and-surgical-management-the-a-to-d-map
#18
Marybeth Cunnane, Natalia Kyriazidis, Dipti Kamani, Amy F Juliano, Hillary R Kelly, Hugh D Curtin, Samuel R Barber, Gregory W Randolph
OBJECTIVES/HYPOTHESIS: To evaluate the effectiveness, reproducibility, and usability of our proposed nodal nomenclature and classification system employed for several years in our high-volume thyroid cancer unit, for the adequate localization and mapping of lymph nodes in thyroid cancer patients with extensive nodal disease. STUDY DESIGN: Retrospective review. METHODS: Thirty-three thyroid cancer patients with extensive nodal disease treated from January 2004 to May 2013 were included in our study...
November 30, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27900756/a-rare-case-of-medullary-carcinoma-thyroid-metastasizing-to-bilateral-breast-parenchyma
#19
Aamna Hassan, Maimoona Siddiqui, Sidra Jahangir
Medullary carcinoma of the thyroid (MTC) commonly spreads through the lymphatics to distant sites such as lung, liver and bone. Spread to the breast is rare. We report a case of metastatic MTC which progressed to develop nodal metastases to cer-vical and mediastinal regions, visceral metastases to the liver, lung and ultimately to bilateral breasts. Clinically it is important to distinguish metastatic breast lesions from primary breast cancer as each is managed differently. Both cytological and radio-logical investigations were done followed by excision biopsy...
2016: Nuclear Medicine Review. Central & Eastern Europe
https://www.readbyqxmd.com/read/27900059/expression-and-survival-significance-of-b-cell-specific-moloney-murine-leukemia-virus-integration-site-1-and-matrix-metalloproteinase-9-in-non-small-cell-lung-cancer
#20
Mingkui Mu, Yang Song, Bin Zhang
One of the main challenges in lung cancer research is identifying patients at high risk of progression and metastasis following surgical resection. In the present study, the prognostic significance of B-cell-specific Moloney murine leukemia virus integration site 1 (BMI1) and matrix metalloproteinase-9 (MMP9) in non-small-cell lung cancer (NSCLC) was evaluated. BMI1 and MMP9 expression in tumors from 132 surgical NSCLC patients [squamous cell carcinoma (SCC), n=79; and adenocarcinoma (AD), n=53] was evaluated by immunohistochemistry...
November 2016: Oncology Letters
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