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https://www.readbyqxmd.com/read/29445907/management-of-serrated-polyps-of-the-colon
#1
REVIEW
Claire Fan, Adam Younis, Christine E Bookhout, Seth D Crockett
PURPOSE OF REVIEW: The purpose of this review is to summarize the management of serrated colorectal polyps (SPs), with a particular focus on the most common premalignant SP, sessile serrated adenoma or polyp (SSA/P). These lesions present a challenge for endoscopists with respect to detection and resection, and are also susceptible to pathologic misdiagnosis. RECENT FINDINGS: Patients with SSA/Ps are at an increased risk of future colorectal neoplasia, including advanced polyps and cancer...
February 14, 2018: Current Treatment Options in Gastroenterology
https://www.readbyqxmd.com/read/29439278/delineation-of-the-extent-of-early-gastric-cancer-by-magnifying-narrow-band-imaging-and-chromoendoscopy-a-multicenter-randomized-controlled-trial
#2
Takashi Nagahama, Kenshi Yao, Noriya Uedo, Hisashi Doyama, Tetsuya Ueo, Kunihisa Uchita, Hideki Ishikawa, Takashi Kanesaka, Yasuhito Takeda, Kurato Wada, Kentaro Imamura, Hisatomi Arima, Toshio Shimokawa
BACKGROUND: Accurate delineation of tumor margins is necessary for curative resection of early gastric cancer (EGC). The objective of this multicenter, randomized, controlled study was to compare the accuracy with which magnifying narrow-band imaging (M-NBI) and indigo carmine chromoendoscopy delineate EGC margins. METHODS: Patients with EGC ≥ 10 mm undergoing endoscopic or surgical resection were enrolled. The oral-side margins of the lesions were first evaluated with conventional white-light endoscopy in both groups and then delineated by either chromoendoscopy or M-NBI...
February 13, 2018: Endoscopy
https://www.readbyqxmd.com/read/29422806/topographic-histological-and-molecular-study-of-aberrant-crypt-foci-identified-in-human-colon-in-different-clinical-groups
#3
Shouriyo Ghosh, Brijnandan Gupta, Pavan Verma, Sreenivas Vishnubathla, Sujoy Pal, Nihar R Dash, Siddhartha Datta Gupta, Prasenjit Das
Background/Aims: Aberrant crypt foci (ACF) are early microscopic lesions of the colonic mucosa, which can be detected by magnified chromoendoscopy. Herein, we have investigated whether ACF identified in different clinical groups can be differentiated based on their characteristics. Methods: Macroscopically unremarkable mucosal flaps were collected from 270 fresh colectomies and divided into 3 clinical groups: colorectal carcinoma (group A), disease controls having known pre-neoplastic potential (group Bc), and disease controls without risk of carcinoma development (group Bn)...
January 2018: Intestinal Research
https://www.readbyqxmd.com/read/29406437/combining-eastern-and-western-practices-for-safe-and-effective-endoscopic-resection-of-large-complex-colorectal-lesions
#4
Andrew Emmanuel, Shraddha Gulati, Margaret Burt, Bu'Hussain Hayee, Amyn Haji
BACKGROUND: Endoscopic resection of large colorectal polyps is well established. However, significant differences in technique exist between eastern and western interventional endoscopists. We report the results of endoscopic resection of large complex colorectal lesions from a specialist unit that combines eastern and western techniques for assessment and resection. PATIENTS AND METHODS: Endoscopic resections of colorectal lesions of at least 2 cm were included...
February 5, 2018: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29399612/validity-of-conventional-endoscopy-using-non-extension-sign-for-optical-diagnosis-of-colorectal-deep-submucosal-invasive-cancer
#5
Takashi Hisabe, Sumio Tsuda, Toshio Hoashi, Hiroshi Ishihara, Kazutomo Yamasaki, Tatsuhisa Yasaka, Fumihito Hirai, Toshiyuki Matsui, Kenshi Yao, Hiroshi Tanabe, Akinori Iwashita
Background and study aims:  The non-extension sign relates to a localized increase in thickness and rigidity due to deep submucosal invasive (SM-d: depth of 1000 μm or more) cancer. The present study aimed to evaluate the efficacy of the non-extension sign in assessing the optical diagnosis of colorectal SM-d cancer. Patients and methods:  We retrospectively analyzed 309 patients with 315 early colorectal cancers that had been endoscopically or surgically resected...
February 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/29398900/evaluation-of-new-technologies-in-gastrointestinal-endoscopy
#6
REVIEW
Murat Akarsu, Cevher Akarsu
Gastrointestinal (GI) tumors are the most commonly diagnosed cancers worldwide and the second leading cause of cancer-related death. Endoscopy is the gold standard for diagnosis of GI cancers. Early diagnosis of GI tumors by endoscopy at the precancerous or early stage may decrease the prevalence and mortality rate of GI cancers. The preventive role of endoscopic interventions and the limitations of conventional white-light endoscopy have given rise to myriad innovations. Chromoendoscopy with dye injection can be used to detect lesions at an early stage...
January 2018: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/29394176/virtual-chromoendoscopy-with-fice-for-the-classification-of-polypoid-and-nonpolypoid-raised-lesions-in-ulcerative-colitis
#7
Andrea Cassinotti, Federico Buffoli, Paolo Fociani, Teresa Staiano, Vincenzo Villanacci, Manuela Nebuloni, Piergiorgio Duca, Maria Fichera, Roberto Grassia, Gianpiero Manes, Marianna Salemme, Paola Molteni, Gianluca Sampietro, Diego Foschi, Roberto de Franchis, Sandro Ardizzone
GOALS: The aim of this study was to analyze the performance of Fuji Intelligent Color Enhancement (FICE) using the classification of Kudo in the differentiation of neoplastic and non-neoplastic raised lesions in ulcerative colitis (UC). BACKGROUND: The Kudo classification of mucosal pit patterns is an aid for the differential diagnosis of colorectal polyps in the general population, but no systematic studies are available for all forms of raised lesions in UC. STUDY: All raised, polypoid and nonpolypoid, lesions found during consecutive surveillance colonoscopies with FICE for long-standing UC were included...
February 1, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29385427/diagnostic-yield-of-dysplasia-in-polyp-adjacent-biopsies-for-patients-with-inflammatory-bowel-disease-a-cross-sectional-study
#8
Conor Lahiff, Lai Mun Wang, Simon P L Travis, James E East
Introduction: Patients with inflammatory bowel disease (IBD) undergoing polypectomy are recommended by current guidelines to have biopsies taken from adjacent mucosa to determine whether there is dysplasia present. With improvements in endoscopic imaging it is now possible to characterise colonic lesions with higher levels of confidence than previously. We reviewed the diagnostic yield of polyp-adjacent biopsies in IBD. Materials and Methods: A systematic search of our histopathology database revealed cases where polyps had been endoscopically resected or biopsied in patients with IBD...
January 27, 2018: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/29340297/acetic-acid-guided-biopsies-in-barrett-s-surveillance-for-neoplasia-detection-versus-non-targeted-biopsies-seattle-protocol-a-feasibility-study-for-a-randomized-tandem-endoscopy-trial-the-abba-study
#9
Fergus Chedgy, Carole Fogg, Kesavan Kandiah, Hugh Barr, Bernard Higgins, Mimi McCord, Ann Dewey, John De Caestecker, Lisa Gadeke, Clive Stokes, David Poller, Gaius Longcroft-Wheaton, Pradeep Bhandari
Background and study aims : Barrett's esophagus is a potentially pre-cancerous condition, affecting 375,000 people in the UK. Patients receive a 2-yearly endoscopy to detect cancerous changes, as early detection and treatment results in better outcomes. Current treatment requires random mapping biopsies along the length of Barrett's, in addition to biopsy of visible abnormalities. As only 13 % of pre-cancerous changes appear as visible nodules or abnormalities, areas of dysplasia are often missed...
January 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/29339948/update-on-functional-heartburn
#10
Takahisa Yamasaki, Jessica O'Neil, Ronnie Fass
The definition of functional heartburn has been refined over the years. It is currently described, based upon Rome IV criteria, as typical heartburn symptoms in the presence of normal upper endoscopy findings (including normal biopsies), normal esophageal pH testing, and a negative association between symptoms and reflux events. Functional heartburn is very common, affecting women more than men, and with reflux hypersensitivity makes up the majority of heartburn patients who fail twice-daily proton pump inhibitor therapy...
December 2017: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29336196/effect-of-chromoendoscopy-filters-on-visualization-of-ktp-laser-associated-tissue-changes-a-cadaveric-animal-model
#11
Christopher M Johnson, Mariah B Pate, Gregory N Postma
Standard KTP laser (potassium titanyl phosphate) wavelength-specific protective eyewear often impairs visualization of tissue changes during laser treatment. This sometimes necessitates eyewear removal to evaluate tissue effects, which wastes time and poses safety concerns. The objective was to determine if "virtual" or "electronic" chromoendoscopy filters, as found on some endoscopy platforms, could alleviate the restricted visualization inherent to protective eyewear. A KTP laser was applied to porcine laryngeal tissue and recorded via video laryngoscopy with 1 optical (Olympus Narrow Band Imaging) and 8 digital (Pentax Medical I-scan) chromoendoscopy filters...
January 1, 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29306867/efficacy-of-endoscopic-screening-for-esophageal-cancer-in-china-esecc-design-and-preliminary-results-of-a-population-based-randomised-controlled-trial
#12
Zhonghu He, Zhen Liu, Mengfei Liu, Chuanhai Guo, Ruiping Xu, Fenglei Li, Anxiang Liu, Haijun Yang, Lin Shen, Qi Wu, Liping Duan, Xiang Li, Chaoting Zhang, Yaqi Pan, Hong Cai, Yang Ke
OBJECTIVE: Description of the design and preliminary results of baseline recruitment and screening in the endoscopic screening for esophageal cancer in China (ESECC), the first randomised controlled trial (RCT) assessing efficacy and cost-effectiveness of endoscopic screening for esophageal squamous cell carcinoma (ESCC). DESIGN: ESECC trial is a cluster RCT, and 668 villages in rural Hua County, Henan Province, a high-incidence area of ESCC in China, were randomised into two arms at a ratio of 1:1...
January 6, 2018: Gut
https://www.readbyqxmd.com/read/29250581/magnifying-image-enhanced-endoscopy-for-collagenous-colitis
#13
Masaaki Kobayashi, Takahiro Hoshi, Shin-Ich Morita, Tsutomu Kanefuji, Takeshi Suda, Go Hasegawa, Shuji Terai
Background and study aims  We report a case series of 5 patients with collagenous colitis (CC) presenting with chronic watery diarrhea, who were subjected to magnifying, chromoendoscopy and narrow band imaging (NBI). Magnifying chromoendoscopy revealed whitish-clouded, honeycomb-like appearance at orifices of the crypts. NBI with high magnification revealed irregular caliber variation of the subepithelial capillary network. Presence of these features corresponded with histological characteristics of CC indicated by thickening of the subepithelial collagen layer...
November 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/29237517/hypopharyngeal-cancer-associated-with-synchronous-oesophageal-cancer-risk-factors-and-benefits-of-image-enhanced-endoscopic-screening
#14
X-G Ni, Q-Q Zhang, J-Q Zhu, G-Q Wang
OBJECTIVES: To explore the risk factors associated with the occurrence of synchronous oesophageal cancer in patients with hypopharyngeal cancer, and to investigate the roles of image-enhanced endoscopic screening in the prediction and diagnosis of early oesophageal cancer. METHODS: The clinical characteristics of patients with hypopharyngeal cancer (n = 160) were analysed. All patients underwent laryngoscopic and gastroscopic examination using image-enhanced endoscopic techniques before treatment...
December 14, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/29222172/proximal-aberrant-crypt-foci-associate-with-synchronous-neoplasia-and-are-primed-for-neoplastic-progression
#15
David A Drew, Allen Mo, James J Grady, Richard G Stevens, Joel B Levine, Bruce M Brenner, Joseph C Anderson, Faripour Forouhar, Michael J O'Brien, Thomas J Devers, Daniel W Rosenberg
Aberrant crypt foci (ACF) are the earliest morphologically identifiable lesion found within the human colon. Despite their relatively high frequency in the distal colon, few studies have examined the molecular characteristics of ACF within the proximal colon. In the following study, clinical participants (n=184) were screened for ACF using high-definition chromoendoscopy with contrast dye-spray. Following pathological confirmation, ACF biopsies were subjected to laser-capture microdissection (LCM) and epithelial cells were evaluated for somatic mutations with a customized colorectal cancer mutation panel using DNA-mass spectrometry...
December 8, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29210900/development-of-image-enhanced-endoscopy-of-the-gastrointestinal-tract-a-review-of-history-and-current-evidences
#16
Shiaw-Hooi Ho, Noriya Uedo, Akira Aso, Shuji Shimizu, Yutaka Saito, Kenshi Yao, Khean-Lee Goh
Endoscopy imaging of the gastrointestinal (GI) tract has evolved tremendously over the last few decades. Key milestones in the development of endoscopy imaging include the use of various dyes for chromoendoscopy, the application of optical magnification in endoscopy, the introduction of high-definition image capturing and display technology and the application of altered illuminating light to achieve vascular and surface enhancement. Aims of this review paper are to summarize the development and evolution of modern endoscopy imaging and in particular, imaged-enhanced endoscopy (IEE), to promote appropriate usage, and to guide future development of good endoscopy practice...
November 28, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29174712/lugol-chromoendoscopy-detects-esophageal-dysplasia-with-low-levels-of-sensitivity-in-a-high-risk-region-of-china
#17
Jingjing Li, Ruiping Xu, Mengfei Liu, Hong Cai, Changqi Cao, Fangfang Liu, Fenglei Li, Chuanhai Guo, Yaqi Pan, Zhonghu He, Yang Ke
BACKGROUND & AIMS: Chromoendoscopy with Lugol dye is used to screen for early-stage esophageal squamous dysplasia (ESD) and esophageal cancer. However, the sensitivity with which Lugol chromoendoscopy detects ESD or esophageal cancer has not been fully assessed in large populations in China. METHODS: From 2012 to 2016, a total of 15,264 residents in rural Hua County, Henan Province, which is a high-incidence area of esophageal cancer in China, were screened by Lugol chromoendoscopy...
November 21, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29134964/a-randomized-trial-comparing-high-definition-colonoscopy-alone-with-high-definition-dye-spraying-and-electronic-virtual-chromoendoscopy-for-detection-of-colonic-neoplastic-lesions-during-ibd-surveillance-colonoscopy
#18
Marietta Iacucci, Gilaad G Kaplan, Remo Panaccione, Oluseyi Akinola, Brendan Cord Lethebe, Mark Lowerison, Yvette Leung, Kerri L Novak, Cynthia H Seow, Stefan Urbanski, Parham Minoo, Xianyong Gui, Subrata Ghosh
OBJECTIVES: Dye spraying chromoendoscopy (DCE) is recommended for the detection of colonic neoplastic lesions in inflammatory bowel disease (IBD). The majority of neoplastic lesions are visible endoscopically and therefore targeted biopsies are appropriate for surveillance colonoscopy. To compare three different techniques for surveillance colonoscopy to detect colonic neoplastic lesions in IBD patients: high definition (HD), (DCE), or virtual chromoendoscopy (VCE) using iSCAN image enhanced colonoscopy...
November 14, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/29110039/-endoscopic-and-surgical-treatment-of-early-gastric-and-esophageal-carcinoma
#19
REVIEW
T Haist, M Knabe, A May, D Lorenz
BACKGROUND: The treatment of early gastric (EGC) and esophageal carcinomas (EEC) is an interdisciplinary challenge. The risk of lymph node metastasis (LNM) is the crucial point in choosing the correct treatment option. OBJECTIVE: This article gives an overview of the current treatment options and provides help in choosing the correct therapy. METHOD: Current concepts and therapy algorithms are presented on the basis of a literature review and data from our own center...
November 6, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/29065437/basic-bli-adenoma-serrated-international-classification-classification-for-colorectal-polyp-characterization-with-blue-light-imaging
#20
Raf Bisschops, Cesare Hassan, Pradeep Bhandari, Emmanuel Coron, Helmut Neumann, Oliver Pech, Loredana Correale, Alessandro Repici
Backgound and study aim Advanced endoscopic imaging has revolutionized the characterization of lesions during colonoscopy. The aim of this study was to create a new classification for differentiating subcentimetric hyperplastic and adenomatous polyps, and deeply invasive malignant lesions using blue-light imaging (BLI) with high definition, with and without optical magnification, as well as to assess its interobserver concordance. Methods A video library consisting of 48 videos/still images (with/without optical magnification) from 24 histologically verified polyps/cancer with BLI was prospectively created...
October 24, 2017: Endoscopy
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