Results 51 to 60 of about 11,772 (135)

Deep Learning–Based Detection of Sessile Serrated Lesions in Colonoscopy Images: Optimization of a YOLOv3 Framework With Mucus Cap Feature Enhancement for Sessile Serrated Lesion Detection

Journal of Gastroenterology and Hepatology, EarlyView.
ABSTRACT Background and Aim Sessile serrated lesions (SSLs) are difficult to detect during colonoscopy via standard white‐light imaging (WLI) because they are flat, have indistinct borders, and are often hidden by mucus caps. Although narrowband imaging (NBI) can help, its effectiveness is inconsistent.
Hongna Lu, Pan Jiang, Tianyin Chen, QinQin Hu, Jiahua Wu, Xi Deng, Mengyao Ge, Ting Weng, Liangshun Zhang, Wenying Guo, Xiaolin Chen, Feng Xu   +11 more
wiley   +1 more source

New multiobjective optimization algorithm using NBI-SASP approaches for mechanical structural problems

, 2022
Various engineering design problems are formulated as constrained multi-objective optimization problems. One of the relevant and popular methods that deals with these problems is the weighted method.
Samira El Moumen, Siham Ouhimmou, Ouhimmou Siham, El Moumen Samira   +3 more
core   +1 more source

Does previous biopsy lead to cancer overdiagnosis of superficial non-ampullary duodenal epithelial tumors?

Endoscopy International Open, 2021
Background and study aims We aimed to evaluate the diagnostic performance of magnifying endoscopy with narrow-band imaging (M-NBI) in superficial non-ampullary duodenal epithelial tumors (SNADETs) regarding the absence or presence of biopsy before M-NBI ...
Shigetsugu Tsuji, Hisashi Doyama, Sho Tsuyama, Akihiro Dejima, Takashi Nakashima, Shigenori Wakita, Yosuke Kito, Hiroyoshi Nakanishi, Naohiro Yoshida, Kazuyoshi Katayanagi, Hiroshi Minato, Takashi Yao, Kenshi Yao   +12 more
doaj   +1 more source

Metaplasia and the Origins of Gastric Cancer—Implications for Screening and Surveillance

Journal of Gastroenterology and Hepatology, EarlyView.
ABSTRACT Gastric intestinal metaplasia (IM) is a key step in the development of intestinal‐type gastric cancer (GC) and a checkpoint for preventive strategies. The risk of progression to GC is highest for incomplete IM and extensive severe IM as classified by scoring systems such as operative link on gastric intestinal metaplasia (OLGIM) assessment ...
Khay Guan Yeoh
wiley   +1 more source

Combination of Narrow-band Imaging and Autofluorescence Imaging 
Videobronchoscopy in the Assessment of Lung Cancer

Chinese Journal of Lung Cancer, 2013
Background and objective Narrow-band imaging (NBI) and autofluorescence imaging (AFI) are new bronchoscopy technologies that are important in lung cancer diagnosis.
Zhongbo CHEN, Yiming YU, Shifang SUN, Hongying MA, Qiaoli ZHANG, Dan LV, Bijiong WANG, Chao CAO, Qunli DING, Zaichun DENG   +9 more
doaj   +1 more source

Narrow Band Imaging by Novice Raters After Short Training: A Pilot Feasibility Study of Diagnostic Accuracy and Repeatability

Oral Diseases, EarlyView.
ABSTRACT Objective To pilot the feasibility, diagnostic accuracy, and repeatability of the Takano NBI‐based IPCL classification when applied by novice raters after short formal training. Methods Ten dental students classified 90 oral lesions shown as paired white‐light and NBI images in two sessions, 4 weeks apart.
Matteo Zotti, Katia Rupel, Edgar Andrea Keller, Griselda Pedroso Acosta, Roberto Di Lenarda, Matteo Biasotto, Giulia Ottaviani   +6 more
wiley   +1 more source

NBI: results review

, 2015
The narrow band imaging (NBI) is a new technology introduced to complement the traditional endoscopy in order to enhance the detection of nonmuscle-invasive bladder cancer and, consequently, to improve the management of the disease.
Ragonese, Mauro, Di Gianfrancesco, Luca, Racioppi, Marco, D'Agostino, Daniele, Bassi, Pierfrancesco   +4 more
core   +1 more source

Lymphocytic Esophagitis Mimicking Eosinophilic Esophagitis and Esophageal Candidiasis: A Case Report

DEN Open, Volume 7, Issue 1, April 2027.
ABSTRACT A 59‐year‐old man presented with a 5‐year history of progressive dysphagia. Esophagogastroduodenoscopy (EGD) revealed an esophageal stricture with adherent whitish exudates, and biopsy specimens demonstrated fungal elements. Subsequent EGD showed longitudinal furrows, concentric rings, and white exudates, mimicking eosinophilic esophagitis ...
Hiroshi Sugawara, Makoto Eizuka, Yosuke Toya, Ryo Sugimoto, Shunichi Yanai, Yuki Yasumi, Naoki Yanagawa, Takayuki Matsumoto   +7 more
wiley   +1 more source

Endoscopic Diagnosis of Necator americanus Infection Presenting With Persistent Iron‐Deficiency Anemia: Usefulness of Image‐Enhanced Endoscopy and Capsule Endoscopy

DEN Open, Volume 7, Issue 1, April 2027.
ABSTRACT Necator americanus infection is now rare in developed countries but remains an important cause of iron‐deficiency anemia and abdominal symptoms in individuals with relevant epidemiological backgrounds. A 59‐year‐old Filipino man with long‐standing unexplained iron‐deficiency anemia was admitted to our hospital for epigastric pain associated ...
Tomohiro Takebe, Satoshi Osawa, Yukihiro Watanabe, Shingo Yamagata, Takuya Aoyama, Yusuke Kawamura, Airi Manabe, Taro Kisamori, Munetaka Sano, Ken Sugimoto   +9 more
wiley   +1 more source

The effect of NBI on UWB time-hopping systems

, 2004
This letter presents an analysis of the effect of narrowband interference (NBI) on ultrawideband (UWB) time-hopping (TH) systems in the presence of multipath fading using both analytical derivations and simulations. Our analysis demonstrates that NBI may
Chu, Xiaoli, Murch, Ross D., Murch, Ross
core   +1 more source