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Magnifying endoscopy

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https://www.readbyqxmd.com/read/29778549/linked-color-imaging-can-help-gastric-helicobacter-pylori-infection-diagnosis-during-endoscopy
#1
Tsung-Hsing Chen, Chen-Ming Hsu, Hao-Tsai Cheng, Yin-Yi Chu, Ming-Yao Su, Jun-Te Hsu, Ta-Sen Yeh, Chang-Fu Kuo, Cheng-Tang Chiu
BACKGROUND: Esophagogastroduodenoscopy (EGD) is a standard tool for detection of mucosal and submucosal lesions. However, identification of Helicobacter pylori (H. P) infection using EGD alone is limited in accuracy. Linked color imaging (LCI) is a novel tool to capture real-time image with sufficient contrast to observe mucosal microstructure. METHODS: This study aims to evaluate the applicability of LCI in the identification of H. pylori infection. Consecutive 122 patients scheduled for EGD were included...
May 16, 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29777405/ability-of-blue-laser-imaging-with-magnifying-endoscopy-for-the-diagnosis-of-gastric-intestinal-metaplasia
#2
Honglei Chen, Yanan Liu, Yi Lu, Xutao Lin, Qiuning Wu, Jiacheng Sun, Chujun Li
We aimed to determine the utility of blue laser imaging (BLI) with magnifying endoscopy (BLI-ME) for the prediction and diagnosis of gastric intestinal metaplasia (GIM). Participants, aged between 40 and 75 years, undergoing gastroscopy from January to April 2017 were included in this study. The ability of BLI-ME and white light endoscopy (WLE) to detect GIM was assessed by comparing the endoscopic findings with the histological findings. The correlation between the grades of light blue crest (LBC) appearance and histology grade of GIM was calculated...
May 18, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29762325/endoscopy-assisted-frontal-sinus-obliteration
#3
Anna Maria Jaźwiec, Benjamin Rechner, Ewa Komorowska-Timek
Comminuted fractures of the anterior table of the frontal sinus involving frontonasal ducts are traditionally treated with sinus obliteration. This technique entails precise mucosa removal which requires unimpeded visualization of the bony recesses. To achieve adequate access to the mucosa, temporary removal of a large part of the frontal bone may often be necessary. This in turn increases fracture comminution requiring placement of additional hardware associated with the risk for bony malalignment, infection, plate palpability, and visibility, especially in thin-skin individuals...
May 14, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29729058/a-case-of-pyloric-gland-adenoma-accompanied-by-a-component-of-foveolar-epithelial-type-adenoma-within-the-lesion
#4
Keiichiro Nakajo, Yasuhiro Oono, Takeshi Kuwata
An 80-year-old woman found to have a gastric tumor by endoscopy was referred to our hospital for further examination and treatment. Helicobacter pylori eradication therapy was successfully performed 10 years ago. Conventional endoscopy revealed a 20-mm flat elevated lesion in the greater curvature of the middle gastric body. (Fig. 1a). Magnifying endoscopy with narrow band imaging (M-NBI) revealed an irregular microvascular architecture, including closed-loop vessels with repeated irregular anastomoses (Fig...
May 5, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29700599/pilot-study-on-probe-based-confocal-laser-endomicroscopy-for-colorectal-neoplasms-an-initial-experience-in-japan
#5
Seiichiro Abe, Yutaka Saito, Yasuhiro Oono, Yusaku Tanaka, Taku Sakamoto, Masayoshi Yamada, Takeshi Nakajima, Takahisa Matsuda, Hiroaki Ikematsu, Tomonori Yano, Shigeki Sekine, Motohiro Kojima, Hidetsugu Yamagishi, Hiroyuki Kato
BACKGROUND: The aim of this pilot study is to investigate the diagnostic yield of probe-based confocal laser endomicroscopy (pCLE) in the evaluation of depth of invasion in colorectal lesions. METHODS: Patients with colorectal lesions eligible for either endoscopic treatment or surgery were enrolled in the study. Tumor's depth of invasion was classified as mucosal or slight submucosal (M-SM1) and deep submucosal invasion or deeper (SM2 or deeper). White light endoscopy (WLE), magnifying narrow band imaging (M-NBI), and magnifying chromoendoscopy (M-CE) were used to assess colorectal lesions, and pCLE was used to identify tumor's features related to SM2 or deeper...
April 26, 2018: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29685806/diagnostic-ability-of-blue-laser-imaging-combined-with-magnifying-endoscopy-for-early-esophageal-cancer
#6
Wenxiu Diao, Xu Huang, Lei Shen, Zhi Zeng
BACKGROUND: Blue laser imaging (BLI) is a new image-enhanced endoscopy technique that utilizes a laser light source developed for narrow-band light observation. AIMS: To evaluate the value of BLI combined with magnifying endoscopy (M-BLI) for the diagnosis of early esophageal cancers (EECs). METHODS: This single-center prospective study analyzed 149 patients with focal esophageal lesions detected with white light endoscopy (WLE) at Renmin Hospital of Wuhan University between April 2015 and June 2017...
March 30, 2018: Digestive and Liver Disease
https://www.readbyqxmd.com/read/29683968/functional-correlation-between-the-pancreas-and-the-small-intestine-in-humans-the-first-evaluation-using-a-newly-developed-enteroscopy
#7
Daijuro Hayashi, Yoshiki Hirooka, Hiroki Kawashima, Eizaburo Ohno, Takuya Ishikawa, Takamichi Kuwahara, Manabu Kawai, Takeshi Yamamura, Kazuhiro Furukawa, Kohei Funasaka, Masanao Nakamura, Ryoji Miyahara, Osamu Watanabe, Masatoshi Ishigami, Senju Hashimoto, Hidemi Goto
OBJECTIVES: The aim of this study is to evaluate a functional correlation between the pancreas and the small intestine and the association of this relationship with nutritional status, using magnifying enteroscopy. METHODS: The subjects were adults aged 20 years or older who underwent upper gastrointestinal endoscopy. An endoscope was inserted into the jejunum, and 10% glucose was sprayed under magnifying observation to evaluate changes in blood flow in the villous capillary network...
April 19, 2018: Pancreas
https://www.readbyqxmd.com/read/29672300/clinical-significance-of-reddish-depressed-lesions-observed-in-the-gastric-mucosa-after-helicobacter-pylori-eradication
#8
Takahiro Kotachi, Masanori Ito, Tomoyuki Boda, Mariko Kiso, Kazuhiko Masuda, Kosaku Hata, Toru Kawamura, Yoji Sanomura, Masaharu Yoshihara, Shinji Tanaka, Kazuaki Chayama
BACKGROUND AND AIM: Reddish depressed lesions (RDLs) frequently observed in patients following Helicobacter pylori eradication are indistinguishable from gastric cancer. We examined the clinical and histological feature of RDLs and its relevant endoscopic diagnosis including magnifying narrow-band imaging (M-NBI). METHODS: We enrolled 301 consecutive patients with H. pylori eradication who underwent endoscopy using white light imaging (WLI). We examined the prevalence and host factors contributing to the presence of RDLs...
April 19, 2018: Digestion
https://www.readbyqxmd.com/read/29666720/gastric-malt-lymphoma-with-increased-plasma-cell-differentiation-showing-unique-endoscopic-features
#9
Masaya Iwamuro, Takehiro Tanaka, Kenji Nishida, Seiji Kawano, Yoshiro Kawahara, Shogen Ohya, Tadashi Yoshino, Hiroyuki Okada
A 62-year-old woman was diagnosed with extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma) with increased plasma cell differentiation of the stomach. Esophagogastroduodenoscopy showed slightly elevated, whitish lesions in the gastric body. Magnifying endoscopic observation revealed that the gastric surface epithelium was swollen, but the structure was not destroyed or diminished. Elongated, tortuous vasculature was observed on the surface of the whitish lesions. The patient underwent eradication treatment for Helicobacter pylori , which resulted in complete remission...
2018: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/29656581/the-jnet-classification-nbi-magnifying-endoscopic-classification-of-colorectal-tumors
#10
Yasushi Sano, Daizen Hirata, Yutaka Saito
The NICE classification is widely used around the world as a universal NBI endoscopic classification that is available without magnifying endoscopy. On the other hand, as histopathological criteria of curative endoscopic resection for early colorectal cancers is getting clear in Japan, endoscopists are required to diagnose their invasion depth accurately with magnifying endoscopy and obtain deeper histopathological materials by endoscopic mucosal resection (EMR)/endoscopic submucosal dissection (ESD). Therefore, we need a new classification which provides accurate qualitative and quantitative diagnosis linking to the appropriate treatment strategy including polypectomy, EMR/ESD, and surgery...
April 14, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29563760/colonic-lesion-characterization-in-inflammatory-bowel-disease-a-systematic-review-and-meta-analysis
#11
Richard Lord, Nicholas E Burr, Noor Mohammed, Venkataraman Subramanian
AIM: To perform a systematic review and meta-analysis for the diagnostic accuracy of in vivo lesion characterization in colonic inflammatory bowel disease (IBD), using optical imaging techniques, including virtual chromoendoscopy (VCE), dye-based chromoendoscopy (DBC), magnification endoscopy and confocal laser endomicroscopy (CLE). METHODS: We searched Medline, Embase and the Cochrane library. We performed a bivariate meta-analysis to calculate the pooled estimate sensitivities, specificities, positive and negative likelihood ratios (+LHR, -LHR), diagnostic odds ratios (DOR), and area under the SROC curve (AUSROC) for each technology group...
March 14, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29557407/collagenous-gastritis-observed-by-magnifying-narrow-band-imaging-endoscopy
#12
Keisuke Kawasaki, Yasuko Fujita, Noriyuki Uesugi, Tamotsu Sugai, Takayuki Matsumoto
No abstract text is available yet for this article.
March 2018: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/29556915/sporadic-minute-pharyngeal-xanthomas-detected-incidentally-during-esophagogastroduodenoscopy-a-case-series
#13
Kenta Hamada, Yoji Takeuchi, Chiaki Kubo, Yasuhiko Tomita, Masayasu Omori, Noriya Uedo, Ryu Ishihara, Yasushi Yamasaki, Sachiko Yamamoto, Tomofumi Akasaka, Noboru Hanaoka, Koji Higashino, Hiroyuki Okada, Hiroyasu Iishi
Pharyngeal xanthomas are considered rare, and no reports have described their endoscopic appearance under magnifying or image-enhanced endoscopy. We report three cases of asymptomatic sporadic pharyngeal xanthoma that were detected incidentally during routine esophagogastroduodenoscopy. All the patients were men and had a solitary lesion of about 1 mm in size. Two of the lesions were located in the oropharynx, while one was in the hypopharynx. Non-magnifying endoscopy showed yellowish lesions, and magnifying endoscopy showed an aggregation of minute yellowish nodules with tortuous microvessels on their surface...
March 19, 2018: Head and Neck Pathology
https://www.readbyqxmd.com/read/29536297/diagnostic-accuracy-of-demarcation-using-magnifying-endoscopy-with-narrow-band-imaging-for-helicobacter-pylori-uninfected-undifferentiated-type-early-gastric-cancer
#14
Yusuke Horiuchi, Junko Fujisaki, Noriko Yamamoto, Shoichi Yoshimizu, Akiyoshi Ishiyama, Toshiyuki Yoshio, Toshiaki Hirasawa, Yorimasa Yamamoto, Masatsugu Nagahama, Hiroshi Takahashi, Tomohiro Tsuchida
BACKGROUND: It is unknown how the accuracy rate of diagnostic demarcation of undifferentiated-type early gastric cancers (UD-type EGCs) differs between patients uninfected with Helicobacter pylori (H. pylori) and patients with and without H. pylori eradication. This study assessed and compared the diagnostic accuracy rate in the H. pylori-uninfected group and the non-H. pylori eradication and H. pylori eradication groups. METHODS: Subjects were 81 patients with 81 lesions who underwent endoscopic submucosal dissection between January 2010 and January 2015...
March 13, 2018: Gastric Cancer
https://www.readbyqxmd.com/read/29527560/magnifying-endoscopy-with-narrow-band-imaging-for-gastric-heterotopic-pancreas
#15
Heetaek Oh, Gwang Ha Kim, Moon Won Lee, Hye Kyung Jeon, Dong Hoon Baek, Bong Eun Lee
Background and study aims:  Heterotopic pancreas is a common subepithelial lesion in the stomach. However, its histological diagnosis is difficult when tissue samples are obtained with a conventional biopsy forceps. This study aimed to describe the magnifying endoscopy with narrow-band imaging (ME-NBI) features of gastric heterotopic pancreas. Patients and methods:  We retrospectively analyzed a database of all patients who underwent endoscopic ultrasonography (EUS) at Pusan National University Hospital from January 2010 to December 2010...
March 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/29478307/magnifying-endoscopy-for-esophageal-ectopic-sebaceous-glands
#16
Mu Song Jeon, Gwang Ha Kim, Dong Young Jeong, Byeong Kyu Park, Moon Won Lee, So-Jeong Lee, Do Youn Park
Ectopic sebaceous glands are found very rarely in the esophagus; heretofore, several cases have been reported. The sebaceous gland is originally a source of an endodermal origin; however, there have been controversies regarding whether the origin of the esophageal ectopic sebaceous gland is ectodermal or endodermal. Ectopic sebaceous glands of the esophagus usually do not cause symptoms; thus, they are often found incidentally on endoscopy for routine health screening. Endoscopic findings are characterized by single or multiple yellow patches or nodular lesions of various sizes, sometimes with small central openings...
February 26, 2018: Clinical Endoscopy
https://www.readbyqxmd.com/read/29446041/characteristic-findings-of-high-grade-cervical-intraepithelial-neoplasia-or-more-on-magnifying-endoscopy-with-narrow-band-imaging
#17
Kunihisa Uchita, Kenji Kanenishi, Koki Hirano, Hideki Kobara, Noriko Nishiyama, Ai Kawada, Shintaro Fujihara, Emi Ibuki, Reiji Haba, Yohei Takahashi, Yuka Kai, Kenji Yorita, Hirohito Mori, Jun Kunikata, Naoki Nishimoto, Toshiyuki Hata, Tsutomu Masaki
BACKGROUND: Colposcopy, which is a standard modality for diagnosing cervical intraepithelial neoplasia (CIN), can have limited accuracy owing to poor visibility. Flexible magnifying endoscopy with narrow band imaging (ME-NBI) has excellent diagnostic accuracy for early gastrointestinal neoplasms and is expected to be highly useful for CIN diagnosis. This study aimed to determine the characteristic findings and evaluate the diagnostic ability of ME-NBI for lesions ≥ CIN 3. METHODS: A well-designed prospective diagnostic case series conducted at multiple tertiary-care centers...
February 14, 2018: International Journal of Clinical Oncology
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
#18
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/29435906/retrospective-assessment-of-the-diagnostic-accuracy-of-the-depth-of-invasion-by-narrow-band-imaging-magnifying-endoscopy-in-patients-with-superficial-esophageal-squamous-cell-carcinoma
#19
Chikatoshi Katada, Satoshi Tanabe, Takuya Wada, Kenji Ishido, Takafumi Yano, Yasuaki Furue, Yuki Kondo, Natsuko Kawanishi, Sakiko Yamane, Akinori Watanabe, Mizutomo Azuma, Wasaburo Koizumi
PURPOSE: Treatment strategies for superficial esophageal squamous cell carcinoma (S-ESCC) are determined mainly on the basis of the depth of invasion. We retrospectively studied the accuracy of the depth of tumor invasion, comprehensively assessed using the Japan Esophageal Society (JES) classification. METHODS: The study group comprised 256 patients who underwent narrow band imaging (NBI) magnifying endoscopy, and endoscopic submucosal dissection for S-ESCC. The depth of invasion of S-ESCC was classified into three groups: EP/LPM, MM/SM1, and SM2...
February 13, 2018: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/29428955/clinicopathological-features-and-magnifying-chromoendoscopic-findings-of-non-ampullary-duodenal-epithelial-tumors
#20
Yosuke Toya, Masaki Endo, Risaburo Akasaka, Jun Urushikubo, Takahiro Gonai, Kensuke Asakura, Shunichi Yanai, Keisuke Kawasaki, Makoto Eizuka, Noriyuki Uesugi, Shotaro Nakamura, Tamotsu Sugai, Takayuki Matsumoto
BACKGROUND AND AIMS: We aimed to investigate an association between clinicopathological features, including immunohistochemical mucin phenotypes, and magnifying chromoendoscopic findings with crystal violet staining (ME-CV) in non-ampullary duodenal epithelial tumors (NADETs). METHODS: A total of 55 patients with NADET were divided into 3 groups by mucin phenotype: intestinal, gastrointestinal, or gastric. ME-CV findings were classified into 4 patterns: convoluted, leaf-like, reticular/sulciolar, and pinecone...
2018: Digestion
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