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https://www.readbyqxmd.com/read/27915451/interobserver-agreement-in-detection-of-white-globe-appearance-and-the-ability-of-educational-lectures-to-improve-the-diagnosis-of-gastric-lesions
#1
Hitoshi Omura, Naohiro Yoshida, Tomoyuki Hayashi, Kazuhiro Miwa, Hajime Takatori, Hirokazu Tsuji, Katsuhisa Inamura, Yukihiro Shirota, Hiroyuki Aoyagi, Takaharu Masunaga, Kazuyoshi Katayanagi, Hiroshi Kurumaya, Shuichi Kaneko, Hisashi Doyama
BACKGROUND: White globe appearance (WGA) refers to a small white lesion of globular shape underneath cancerous gastric epithelium that can be clearly visualized by magnifying endoscopy with narrowband imaging (M-NBI). WGA has been reported to be a novel endoscopic marker that is highly specific in differentiating early gastric cancer (GC) from low-grade adenoma, and has a significantly higher prevalence in early GCs than in noncancerous lesions. However, interobserver agreement in detecting WGA and whether training intervention can improve diagnostic accuracy are unknown...
December 3, 2016: Gastric Cancer
https://www.readbyqxmd.com/read/27910618/faraday-cup-type-lost-fast-ion-detector-on-heliotron-j
#2
S Yamamoto, K Ogawa, M Isobe, D S Darrow, S Kobayashi, K Nagasaki, H Okada, T Minami, S Kado, S Ohshima, G M Weir, Y Nakamura, S Konoshima, N Kemmochi, Y Ohtani, T Mizuuchi
A Faraday-cup type lost-fast ion probe (FLIP) has been designed and installed in Heliotron J for the purpose of the studies of interaction between fast ions and MHD instabilities. The FLIP can measure the co-going fast ions whose energy is in the range of 1.7-42.5 keV (proton) and pitch angle of 90(∘)-140(∘), especially for fast ions having the injection energy of neutral beam injection (NBI). The FLIP successfully measured the re-entering passing ions and trapped lost-fast ions caused by fast-ion-driven energetic particle modes in NBI heated plasmas...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910523/first-measurement-of-the-edge-charge-exchange-recombination-spectroscopy-on-east-tokamak
#3
Y Y Li, X H Yin, J Fu, D Jiang, S Y Feng, B Lyu, Y J Shi, Y Yi, X J Zhou, C D Hu, M Y Ye, B N Wan
An edge toroidal charge exchange recombination spectroscopy (eCXRS) diagnostic, based on a heating neutral beam injection (NBI), has been deployed recently on the Experimental Advanced Superconducting Tokamak (EAST). The eCXRS, which aims to measure the plasma ion temperature and toroidal rotation velocity in the edge region simultaneously, is a complement to the exiting core CXRS (cCXRS). Two rows with 32 fiber channels each cover a radial range from ∼2.15 m to ∼2.32 m with a high spatial resolution of ∼5-7 mm...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910466/first-results-from-solid-state-neutral-particle-analyzer-on-experimental-advanced-superconducting-tokamak
#4
J Z Zhang, Y B Zhu, J L Zhao, B N Wan, J G Li, W W Heidbrink
Full function integrated, compact solid state neutral particle analyzers (ssNPA) based on absolute extreme ultraviolet silicon photodiode have been successfully implemented on the experimental advanced superconducting tokamak to measure energetic particle. The ssNPA system has been operated in advanced current mode with fast temporal and spatial resolution capabilities, with both active and passive charge exchange measurements. It is found that the ssNPA flux signals are increased substantially with neutral beam injection (NBI)...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910330/scintillator-based-fast-ion-loss-measurements-in-the-east
#5
J F Chang, M Isobe, K Ogawa, J Huang, C R Wu, Z Xu, Z Jin, S Y Lin, L Q Hu
A new scintillator-based fast ion loss detector (FILD) has been installed on Experimental Advanced Superconducting Tokamak (EAST) to investigate the fast ion loss behavior in high performance plasma with neutral beam injection (NBI) and ion cyclotron resonance heating (ICRH). A two dimensional 40 mm × 40 mm scintillator-coated (ZnS:Ag) stainless plate is mounted in the front of the detector, capturing the escaping fast ions. Photons from the scintillator plate are imaged with a Phantom V2010 CCD camera. The lost fast ions can be measured with the pitch angle from 60° to 120° and the gyroradius from 10 mm to 180 mm...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27904863/recent-updates-in-the-endoscopic-diagnosis-of-barrett-s-oesophagus
#6
REVIEW
Neel Sharma, Khek Yu Ho
BACKGROUND: Barrett's oesophagus (BO) is a premalignant condition associated with the development of oesophageal adenocarcinoma (OAC). Despite the low risk of progression per annum, OAC is associated with significant morbidity and mortality, with an estimated 5-year survival of 10%. Furthermore, the incidence of OAC continues to rise globally. Therefore, it is imperative to detect the premalignant phase of BO and follow up such patients accordingly. SUMMARY: The mainstay diagnosis of BO is endoscopy and biopsy sampling...
October 2016: Gastrointestinal Tumors
https://www.readbyqxmd.com/read/27895406/simplified-criteria-for-diagnosing-superficial-esophageal-squamous-neoplasms-using-narrow-band-imaging-magnifying-endoscopy
#7
Akira Dobashi, Kenichi Goda, Noboru Yoshimura, Tomohiko R Ohya, Masayuki Kato, Kazuki Sumiyama, Masato Matsushima, Shinichi Hirooka, Masahiro Ikegami, Hisao Tajiri
AIM: To simplify the diagnostic criteria for superficial esophageal squamous cell carcinoma (SESCC) on Narrow Band Imaging combined with magnifying endoscopy (NBI-ME). METHODS: This study was based on the post-hoc analysis of a randomized controlled trial. We performed NBI-ME for 147 patients with present or a history of squamous cell carcinoma in the head and neck, or esophagus between January 2009 and June 2011. Two expert endoscopists detected 89 lesions that were suspicious for SESCC lesions, which had been prospectively evaluated for the following 6 NBI-ME findings in real time: "intervascular background coloration"; "proliferation of intrapapillary capillary loops (IPCL)"; and "dilation", "tortuosity", "change in caliber", and "various shapes (VS)" of IPCLs (i...
November 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27894979/-comparison-of-white-light-photodynamic-diagnosis-and-narrow-band-imaging-in-detection-of-carcinoma-in-situ-cis-or-flat-dysplasia-at-transurethral-resection-of-the-bladder-the-dablaca-8-study
#8
Ditte Drejer, Sami Béji, Recep Oezeke, Anna Munk Nielsen, Søren Høyer, Truls Erik Bjerklund Johansen, Gitte W Lam, Jørgen B Jensen
: Photodynamic diagnosis (PDD) and narrow band imaging (NBI) are two different modalities used to improve detection of tumors, carcinoma in situ (CIS) and flat dysplasia compared to white light (WL) cystoscopy. OBJECTIVES: To compare findings in NBI to findings in WL and PDD in a high risk patient population. DESIGN, SETTING, AND PARTICIPANTS: 171 patients were included in the study from four different urological departments in Denmark and Norway...
November 25, 2016: Urology
https://www.readbyqxmd.com/read/27878600/narrow-band-imaging-for-early-diagnosis-of-epithelial-dysplasia-and-microinvasive-tumors-in-the-upper-aerodigestive-tract
#9
C Arens, C Betz, M Kraft, S Voigt-Zimmermann
The various stages of tumor growth are characterized by typical epithelial, vascular, and secondary connective tissue changes. Narrow Band Imaging (NBI) endoscopy is a minimally invasive imaging technique that presents vascular structures in particular at a higher contrast than white light endoscopy alone. In combination with high-resolution image recording and reproduction (high-definition television, HDTV; ultra-high definition, 4K), progress has been made in otolaryngological differential diagnostics, both pre- and intraoperatively...
November 23, 2016: HNO
https://www.readbyqxmd.com/read/27853747/can-magnifying-endoscopy-with-narrow-band-imaging-discriminate-between-carcinomas-and-low-grade-adenomas-in-gastric-superficial-elevated-lesions
#10
Takashi Nonaka, Masahiko Inamori, Yasushi Honda, Kenji Kanoshima, Yumi Inoh, Mizue Matsuura, Shiori Uchiyama, Eiji Sakai, Takuma Higurashi, Hidenori Ohkubo, Hiroshi Iida, Hiroki Endo, Koji Fujita, Akihiko Kusakabe, Kazuhiro Atsukawa, Hisao Takahashi, Yoko Tateishi, Shin Maeda, Kenichi Ohashi, Atsushi Nakajima
: Background and study aims: The aim of this study was to investigate the capability of magnifying endoscopy with narrow-band imaging (ME-NBI) to discriminate between early carcinomas (EC) and low grade adenomas (LGA) in gastric superficial elevated epithelial neoplasias. Patients and methods: We investigated 100 consecutive cases of gastric superficial elevated epithelial neoplasias that were removed using endoscopic submucosal dissection. The pathological diagnostic criteria were based on the revised Vienna classification; category 4 (mucosal high grade neoplasia) and category 5 (submucosal invasion by carcinoma) lesions were diagnosed as EC, whereas category 3 (mucosal low grade neoplasia) lesions were diagnosed as LGA...
November 2016: Endoscopy International Open
https://www.readbyqxmd.com/read/27853744/clinical-usefulness-of-narrow-band-imaging-magnifying-colonoscopy-for-assessing-ulcerative-colitis-associated-cancer-dysplasia
#11
Soki Nishiyama, Shiro Oka, Shinji Tanaka, Shintaro Sagami, Ryohei Hayashi, Yoshitaka Ueno, Koji Arihiro, Kazuaki Chayama
Background and study aims: Colitis-associated cancer/dysplasia (CC/D) can affect the life expectancy of patients with ulcerative colitis (UC). Although the utility of magnifying chromocolonoscopy has been shown, the use of optical magnification with narrow band imaging (NBI) for distinguishing CC/D from non-neoplastic lesions in patients with UC has not been reported. We evaluated whether endoscopic findings are distinguishing and thus assessed the clinical usefulness of NBI magnification for differentiating UC-associated lesions...
November 2016: Endoscopy International Open
https://www.readbyqxmd.com/read/27833952/narrow-band-imaging-with-near-focus-mode-for-colorectal-polyps-characterization
#12
Adriana Mihaela Ciocâlteu, Elena Tatiana CârŢână, Dan Nicolae Florescu, Ioana Andreea Gheonea, IonuŢ Mădălin Troponete, Tudorel Ciurea, Dan IonuŢ Gheonea
Conventional white light endoscopy is far from being an ideal tool to detect, characterize, and confirm the nature of colorectal lesions in order to indicate targeted biopsies or polyp resections only when necessary. Minimally invasive imaging techniques have gradually emerged to reveal previously unseen abnormalities to the operator during endoscopic examination. In this respect, technology and applications of narrow band imaging (NBI) are rapidly evolving. Magnification using NBI with near-focus mode has been introduced recently to enable closer examination under the control of a single button...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27833394/two-cases-of-adenocarcinoma-occurring-in-sporadic-fundic-gland-polyps-observed-by-magnifying-endoscopy-with-narrow-band-imaging
#13
Kazumi Togo, Tetsuya Ueo, Hirotoshi Yonemasu, Hideho Honda, Tetsuya Ishida, Hiroshi Tanabe, Kenshi Yao, Akinori Iwashita, Kazunari Murakami
Gastric fundic gland polyps (FGPs) are common non-adenomatous gastric polyps arising from normal fundic mucosa without Helicobacter pylori (H. pylori) infection. Although systemic FGPs associated with familial adenomatous polyposis (FAP) often have dysplasia, there are few reports of dysplasia occurring in sporadic FGPs, especially when detected by magnifying endoscopy with narrow band imaging (ME-NBI). We experienced two cases of adenocarcinoma occurring in sporadic FGPs, and their ME-NBI findings were very useful for differentiating FGP with cancer from non-dysplastic FGP...
October 28, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27826303/a-role-for-barley-calcium-dependent-protein-kinase-cpk2a-in-the-response-to-drought
#14
Agata Cieśla, Filip Mituła, Lucyna Misztal, Olga Fedorowicz-Strońska, Sabina Janicka, Małgorzata Tajdel-Zielińska, Małgorzata Marczak, Maciej Janicki, Agnieszka Ludwików, Jan Sadowski
Increasing the drought tolerance of crops is one of the most challenging goals in plant breeding. To improve crop productivity during periods of water deficit, it is essential to understand the complex regulatory pathways that adapt plant metabolism to environmental conditions. Among various plant hormones and second messengers, calcium ions are known to be involved in drought stress perception and signaling. Plants have developed specific calcium-dependent protein kinases that convert calcium signals into phosphorylation events...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27823975/narrow-band-imaging-assisted-transurethral-resection-reduces-the-recurrence-risk-of-non-muscle-invasive-bladder-cancer-a-systematic-review-and-meta-analysis
#15
REVIEW
Weiting Kang, Zilian Cui, Qianqian Chen, Dong Zhang, Haiyang Zhang, Xunbo Jin
CONTEXT: Compared with white light imaging (WLI) cystoscopy, narrow band imaging (NBI) cystoscopy could increase the visualization and detection of bladder cancer (BC) at the time of transurethral resection (TUR). NBI cystoscopy could increase the detection of BC, but it remains unclear whether narrow band imaging-assisted transurethral resection (NBI-TUR) could reduce the recurrence risk of non-muscle invasive bladder cancer (NMIBC). Several randomized clinical trials (RCTs) have recently tested the efficacy of NBI-TUR for NMIBC...
November 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27799882/narrow-band-imaging-with-magnifying-endoscopy-for-peyer-s-patches-is-useful-in-predicting-the-recurrence-of-remissive-patients-with-ulcerative-colitis
#16
Satoshi Hiyama, Hideki Iijima, Syoichiro Kawai, Akira Mukai, Eri Shiraishi, Shuko Iwatani, Toshio Yamaguchi, Manabu Araki, Yoshito Hayashi, Shinichiro Shinzaki, Tsunekazu Mizushima, Masahiko Tsujii, Tetsuo Takehara
BACKGROUND/AIMS: Peyer's patches (PPs) are aggregates of lymphoid follicles that are mainly located in the distal ileum; they play a major role in mucosal immunity. We recently reported that patients with ulcerative colitis (UC) have alterations in PPs that can be detected using narrow-band imaging with magnifying endoscopy (NBI-ME). However, the usefulness of NBI-ME in UC treatment as a whole is still unknown. METHODS: We collected NBI-ME images of PPs from 67 UC patients who had undergone ileocolonoscopy...
October 2016: Intestinal Research
https://www.readbyqxmd.com/read/27797481/screening-libraries-of-semifluorinated-arylene-bisimides-to-discover-and-predict-thermodynamically-controlled-helical-crystallization
#17
Ming-Shou Ho, Benjamin E Partridge, Hao-Jan Sun, Dipankar Sahoo, Pawaret Leowanawat, Mihai Peterca, Robert Graf, Hans W Spiess, Xiangbing Zeng, Goran Ungar, Paul A Heiney, Chain-Shu Hsu, Virgil Percec
Synthesis, structural and retrostructural analysis of a library containing sixteen self-assembling perylene (PBI), 1,6,7,12-tetrachloroperylene (Cl4PBI), naphthalene (NBI), and pyromellitic (PMBI) bisimides functionalized with environmentally friendly AB3 chiral racemic semifluorinated minidendrons at their imide groups via m = 0, 1, 2, and 3 methylene units is reported. These semifluorinated compounds melt at lower temperatures than homologous hydrogenated compounds, permitting screening of all their thermotropic phases via structural analysis to discover thermodynamically controlled helical crystallization from propeller-like, cogwheel, and tilted molecules as well as lamellar-like structures...
October 31, 2016: ACS Combinatorial Science
https://www.readbyqxmd.com/read/27781259/-research-progress-of-serrated-polyposis-syndrome
#18
Shihao Dong, Jingsong Chen
Serrated polyposis syndrome (SPS) is closely associated with the initiation and development of colorectal cancer (CRC), however, there is few research on SPS in China. Serrated polyps can be divided into hyperplastic polyps, sessile serrated polyps and traditional serrated polyps. The diagnosis standard of SPS is as following: (1) There are at least 5 serrated lesions in proximal colon, and diameter of more than 2 lesions is >10 mm; (2) The patient has one serrated polyp with family history of SPS; (3) More than 20 serrated polyps can be found in the entire large bowel...
October 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27774601/high-sensitivity-fees-with-nbi-illumination
#19
Susanne Fleischer, Christina Pflug, Markus Hess
No abstract text is available yet for this article.
October 24, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27773561/nbi-utility-in-the-pre-operative-and-intra-operative-assessment-of-oral-cavity-and-oropharyngeal-carcinoma
#20
Giancarlo Tirelli, Marco Piovesana, Annalisa Gatto, Lucio Torelli, Roberto Di Lenarda, Francesca Boscolo Nata
PURPOSE: Despite advances in the surgical management of head and neck squamous cell carcinoma, the identification of synchronous lesions, precancerous lesions around the main tumor, or the unknown primary in the case of neck metastasis remains a problem, as these lesions may be invisible to the naked eye or with standard white light (WL) endoscopy. However, the advent of tools such as narrow-band imaging (NBI) could help the clinician. The purpose of this study was to assess the impact of NBI during the pre-operative and intra-operative stages of management of oral and oropharyngeal cancers...
January 2017: American Journal of Otolaryngology
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