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Magnifying endoscopy

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https://www.readbyqxmd.com/read/29334527/transanal-minimally-invasive-anal-canal-polyp-resection
#1
Giovanni Dapri, Anny Cadenas Fabres, Olivier Nicod, Garces Duran Rodrigo, Vinciane Muls, Marc Van Gossum
Endoscopic mucosal resection and endoscopic submucosal dissection (ESD) are operative endoscopies that have been performed since a long time. Recently, an evolution of laparoscopy called transanal minimally invasive surgery began to be popularized, and it can be adopted in the face of difficult cases for endoscopic mucosal resection/ESD. In this video, a 36-year-old woman was submitted to transanal minimally invasive surgery resection, after unsuccessful ESD, for a 2-cm polyp located anteriorly in the anal canal, just beyond the pectineal line...
January 12, 2018: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/29250582/magnifying-advanced-endoscopy-in-collagenous-colitis-now-you-see
#2
EDITORIAL
Anastasios Koulaouzidis, Ervin Toth
No abstract text is available yet for this article.
November 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/29250581/magnifying-image-enhanced-endoscopy-for-collagenous-colitis
#3
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/29247549/a-training-program-of-a-new-simplified-classification-of-magnified-narrow-band-imaging-for-superficial-esophageal-squamous-cell-carcinoma
#4
Wen-Lun Wang, Sherry Yueh-Hsia Chiu, Ching-Tai Lee, Cheng-Hao Tseng, Chien-Chuan Chen, Ming-Lun Han, Chen-Shuan Chung, Ping-Hsin Hsieh, Wei-Lun Chang, Ping-Hsiu Wu, Wen-Hung Hsu, Hsu-Heng Yen, Hsiu-Po Wang, Chi-Yang Chang
BACKGROUND: Optimal staging of the invasion depth of superficial esophageal squamous cell carcinoma (SESCC) is vital prior to endoscopic treatment. A new simplified magnified narrow-band imaging (M-NBI) classification system based on vascular architecture has recently been developed by the Japan Esophageal Society, however its validity remains uncertain. METHODS: A total of 11 experienced and 11 inexperienced endoscopists were invited to join an endoscopic training program, which was composed of pre-test, educational section, and post-test...
December 16, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29218315/a-novel-lens-cleaner-to-prevent-water-drop-adhesions-during-colonoscopy-and-esophagogastroduodenoscopy
#5
Naohisa Yoshida, Yuji Naito, Ritsu Yasuda, Takaaki Murakami, Kiyoshi Ogiso, Ryohei Hirose, Yutaka Inada, Osamu Dohi, Tetsuya Okayama, Kazuhiro Kamada, Kazuhiko Uchiyama, Takeshi Ishikawa, Osamu Handa, Hideyuki Konishi, Rafiz Abdul Rani, Yoshito Itoh
Background and study aims:  Water drop adhesions (WDA) impair endoscopic view during gastrointestinal endoscopy. We developed a novel lens cleaner designed using two types of harmLess surfactants and it is reported to be useful for preventing lens cloudiness during colorectal ESD. In the current study, we examined the ability of it for preventing and removing WDA. Patients and methods:  During laboratory experiments, the cleaner (Cleash; Fujifilm Co., Tokyo, Japan and Nagase Medicals Co...
December 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/29214646/endoscopic-sentinel-lymph-node-biopsy-using-indocyanine-green-neomannosyl-human-serum-albumin
#6
Young Min Park, Yu Hua Quan, Ki Hyeok Kwon, Jae-Gu Cho, Jeong-Soo Woo, Beop-Min Kim, Yun-Sang Lee, Jae Min Jeong, Hyun Koo Kim, Jae-Jun Song
OBJECTIVE: The aim of this study was to determine the possibility of endoscopic sentinel lymph node biopsy of the head and neck region using indocyanine green-neomannosyl human serum albumin (ICG:MSA) and a custom-made intraoperative color-and-fluorescence-merged imaging system (ICFIS). METHODS: Using mouse and rabbit models of tongue cancer, we performed sentinel lymph node biopsy using an ICG:MSA tracer and custom imaging system equipped with an endoscope. RESULTS: ICG:MSA was localized to the cervical lymph node on the ipsilateral side for up to 30 minutes compared to ICG tracer (ICG n = 3, IGC:MSA n = 3)...
December 7, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29198695/-snowmelt-sign-and-corkscrew-microvessels-predicting-epithelium-regeneration-after-acute-rejection-of-small-bowel-transplantation-a-case-report
#7
C-S Chung, T-H Lee, C-T Chiu, Y Chen
Intestinal failure characterized by inadequate maintenance of nutrition via normal intestinal function comprises a group of disorders with many different causes. If parenteral nutrition dependency develops, which is associated with higher mortality and complications, it is considered for intestine transplantation. However, the graft failure rate is not low, and acute cellular rejection is one of the most important reasons for graft failure. As a result, early identification of rejection and timely modification of anti-rejection medications have been considered to be associated with better graft and patient survival rates...
December 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29159275/comparative-analysis-of-avascular-areas-in-superficial-esophageal-squamous-cell-carcinomas-using-in-vivo-and-ex-vivo-magnifying-endoscopy
#8
Taichi Ogo, Kenro Kawada, Yasuaki Nakajima, Yutaka Tokairin, Takashi Ito, Tatsuyuki Kawano
Background and study aims:  An avascular area (AVA), one of the microvasculature changes in superficial esophageal cancers, appears when a tumor demonstrates a bulky growth pattern. We aimed to compare endoscopic and histopathological findings by observing formalin-fixed AVA specimens using magnifying endoscopy. Patients and methods:  A prospective analysis was conducted on 16 patients with superficial esophageal cancer, including AVA, who underwent endoscopic submucosal dissection (ESD)...
October 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/29070477/-endoscopic-analysis-of-early-esophageal-cancer-and-precancerous-lesions-in-kazakh-patients
#9
Juan Xu, Zhi-Gang Gao, Lei Wang
OBJECTIVE: To explore the value of endoscopic narrow-band imaging in the diagnosis of early-stage esophageal cancer and precancerous lesions in Kazakh patients. METHODS: A total of 106 Kazakh patients with esophageal mucosa lesions diagnosed by routine endoscopy in our hospital from January 2014 to July 2016 were enrolled in this analysis with 30 randomly selected patients with normal endoscopic findings of the esophageal mucosa as the control group. The morphological changes of papillary capillary loop (IPCL) of the esophageal epithelium in the two groups were observed by narrow-band imaging magnifying endoscopy...
October 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/29063984/esophageal-squamous-cell-neoplasia-is-an-independent-negative-prognostic-factor-for-head-and-neck-cancer-patients
#10
Yasuhiko Hamada, Toshiro Mizuno, Kyosuke Tanaka, Masaki Katsurahara, Noriyuki Horiki, Reiko Yamada, Hiroyuki Inoue, Yoshiyuki Takei, Naoyuki Katayama
BACKGROUND: Patients with head and neck cancer (HNC) have a high incidence of esophageal squamous cell neoplasms (ESCN). ESCN also has a negative impact on the survival of HNC patients. However, recent endoscopic advances enable the early detection of ESCN, and novel treatments may lead to improving survival rates for HNC patients with ESCN. METHODS: HNC patients who underwent magnifying esophagogastroduodenoscopy (EGDS) from 2005 to 2012 were included in this study (n = 226)...
October 24, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29033768/preoperative-diagnosis-of-intestinal-endometriosis-by-magnifying-colonoscopy-and-target-biopsy
#11
Jun Tomiguchi, Hideaki Miyamoto, Kazutaka Ozono, Ryosuke Gushima, Takashi Shono, Hideaki Naoe, Motohiko Tanaka, Hideo Baba, Hidetaka Katabuchi, Yutaka Sasaki
Endometriosis can affect any portion of the gastrointestinal tract. A preoperative definitive diagnosis of intestinal endometriosis is difficult, because there is no characteristic endoscopic finding and the endoscopic biopsies usually sample insufficient endometrial tissue for pathologic diagnosis. To our knowledge, the magnifying endoscopic features of intestinal mucosal endometriosis have not been well documented. In this study, we report a case of intestinal endometriosis diagnosed preoperatively by magnifying image-enhanced colonoscopy and target biopsy...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29033421/the-resolution-of-helicobacter-suis-associated-gastric-lesions-after-eradication-therapy
#12
Satoru Nakagawa, Tadashi Shimoyama, Masahiko Nakamura, Daisuke Chiba, Hidezumi Kikuchi, Manabu Sawaya, Daisuke Chinda, Tatsuya Mikami, Shinsaku Fukuda
A reddish depressed lesion was found in the corpus of the stomach of a 56-year-old man. Gastric biopsy showed no findings of MALT lymphoma, including lympho-epithelial lesions. A urea breath test, stool antigen test and serum IgG antibody to Helicobacter pylori test were negative. Magnifying endoscopy using narrow-band-imaging showed no malignant structures. Gastric biopsy specimens were subjected to immunohistochemistry and a PCR, which identified Helicobacter suis infection. Triple therapy with esomeprazole, metronidazole, and amoxicillin was administered for 10 days...
October 16, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28947900/magnifying-endoscopy-with-blue-laser-imaging-improves-the-microstructure-visualization-in-early-gastric-cancer-comparison-of-magnifying-endoscopy-with-narrow-band-imaging
#13
Reiko Kimura-Tsuchiya, Osamu Dohi, Yasuko Fujita, Nobuaki Yagi, Atsushi Majima, Yusuke Horii, Tomoko Kitaichi, Yuriko Onozawa, Kentaro Suzuki, Akira Tomie, Tetsuya Okayama, Naohisa Yoshida, Kazuhiro Kamada, Kazuhiro Katada, Kazuhiko Uchiyama, Takeshi Ishikawa, Tomohisa Takagi, Osamu Handa, Hideyuki Konishi, Mitsuo Kishimoto, Yuji Naito, Akio Yanagisawa, Yoshito Itoh
BACKGROUNDS: Magnifying endoscopy with blue laser imaging (ME-BLI) for diagnosis of early gastric cancer (EGC) is as effective as magnifying endoscopy with narrow-band imaging (ME-NBI). However, there are different EGCs in microstructure visualization between ME-BLI and ME-NBI. This study aimed to clarify the pathological features of the EGCs, in which microstructure visualization was different between ME-NBI and ME-BLI. METHODS: EGCs were classified into groups A (irregular microsurface pattern (MSP) in ME-BLI and absent MSP in ME-NBI), B (irregular MSP in two modalities), or C (absent MSP in two modalities), according to the vessel plus surface classification...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28881911/vascular-density-of-superficial-esophageal-squamous-cell-carcinoma-determined-by-direct-observation-of-resected-specimen-using-narrow-band-imaging-with-magnifying-endoscopy
#14
D Kikuchi, T Iizuka, S Hoteya, K Nomura, Y Kuribayashi, T Toba, M Tanaka, S Yamashita, T Furuhata, A Matsui, T Mitani, N Inoshita, M Kaise
Observation of the microvasculature using narrow band imaging (NBI) with magnifying endoscopy is useful for diagnosing superficial squamous cell carcinoma. Increased vascular density is indicative of cancer, but not many studies have reported differences between cancerous and noncancerous areas based on an objective comparison. We observed specimens of endoscopic submucosal dissection (ESD) using NBI magnification, and determined the vascular density of cancerous and noncancerous areas. A total of 25 lesions of esophageal squamous cell carcinoma that were dissected en bloc by ESD between July 2013 and December 2013 were subjected to NBI magnification...
November 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28881897/comparative-evaluation-of-new-and-conventional-classifications-of-magnifying-endoscopy-with-narrow-band-imaging-for-invasion-depth-of-superficial-esophageal-squamous-cell-carcinoma
#15
T Fujiyoshi, M Tajika, T Tanaka, M Ishihara, N Mizuno, K Hara, S Hijioka, H Imaoka, Y Yatabe, Y Hirooka, H Goto, K Yamao, Y Niwa
A new classification of magnifying endoscopy with narrow band imaging (ME-NBI) for diagnosing and staging superficial esophageal squamous cell carcinoma (SESCC) was proposed by the Japan Esophageal Society in 2011. This study aimed to compare the new classification with the conventional classifications (Inoue's classification and Arima's classification). This was a prospective analysis of data from a single cancer center involving 151 consecutive patients with 156 SESCCs that were endoscopically or surgically resected...
November 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28862009/-endoscopic-optical-imaging-methods-in-the-diagnostics-of-the-laryngeal-cancer
#16
Petr Lukeš, Eva Lukešová, Michal Zábrodský, Jaroslav Sýba, Vít Kratochvíl, Adam Kešner, Michal Votava, Jan Plzák
Endoscopic optical imaging methods for the detection of mucosal lesions in the ENT area have been developed for better and earlier detection of these changes. They can be divided into horizontal methods group - showing the surface of the mucous membrane (autofluorescence, photodynamic diagnosis, Narrow Band Imaging, magnifying and contact endoscopy) and vertical methods group - visualizing different layers of the mucosa (optical coherence tomography and confocal endomicroscopy). Some of them are routinely used in practice, others are used in experimental mode and their introduction into practice may be a matter of the near future...
2017: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/28816382/endoscopic-diagnosis-and-treatment-of-superficial-pharyngeal-cancer
#17
Chikatoshi Katada, Tabito Okamoto, Koichi Kano
No abstract text is available yet for this article.
August 17, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28731617/in%C3%A2-vivo-diagnosis-of-early-stage-gastric-cancer-found-after-helicobacter-pylori-eradication-using-probe-based-confocal-laser-endomicroscopy
#18
Noriyuki Horiguchi, Tomomitsu Tahara, Hyuga Yamada, Dai Yoshida, Masaaki Okubo, Mitsuo Nagasaka, Yoshihito Nakagawa, Tomoyuki Shibata, Tetsuya Tsukamoto, Makoto Kuroda, Naoki Ohmiya
BACKGROUND AND AIM: Early-stage gastric cancer (EGC) found after Helicobacter pylori (Hp) eradication often displays non-tumorous regenerative epithelium and/or maturated tumorous epithelium overlying the cancerous tissue, which may confuse endoscopic and histological diagnosis. Probe-based confocal laser endomicroscopy (pCLE) enables in vivo real-time optical biopsy. We compared the diagnostic yields for these EGC cases using conventional white light endoscopy (WL), magnifying endoscopy with narrow-band imaging (ME-NBI), pCLE, and endoscopic biopsy; we also compared the accuracy of the horizontal extent diagnosis between ME-NBI and pCLE...
July 21, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28720472/mantle-cell-lymphoma-involving-the-esophagus-evaluated-by%C3%A2-magnifying-endoscopy-with-narrow-band-imaging
#19
Haruka Toyonaga, Masashi Fukushima, Tetsuro Inokuma, Yukihiro Imai
No abstract text is available yet for this article.
July 16, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28706424/new-magnifying-endoscopic-classification-for-superficial-esophageal-squamous-cell-carcinoma
#20
Su Jin Kim, Gwang Ha Kim, Moon Won Lee, Hye Kyung Jeon, Dong Hoon Baek, Bong Eun Lee, Geun Am Song
AIM: To assess the accuracy of a new magnifying endoscopy (ME) classification for predicting depth of invasion of superficial esophageal squamous cell carcinoma (SESCC). METHODS: This study included a total of 70 lesions in 69 patients with SESCC who underwent ME with narrow-band imaging (ME-NBI) before resection from August 2010 to July 2016. Accuracy of ME-NBI for predicting depth of invasion of SESCC was analyzed by using a new ME classification proposed by the Japan Esophageal Society (JES), and interobserver agreement was assessed...
June 28, 2017: World Journal of Gastroenterology: WJG
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