keyword
https://read.qxmd.com/read/38410098/the-absolute-number-of-small-and-diminutive-adenomas-with-high-grade-dysplasia-is-substantially-higher-compared-with-large-adenomas-a-retrospective-pooled-study
#21
Jiancheng Zhang, Huajun Sun, Fei Xiong, Shan Lei, Guanyu Zhou, Xun Xiao, Lin Liu, Pu Wang
INTRODUCTION: The risk that a large polyp (≥10 mm) evolves into high-grade dysplasia (HGD) is relatively high compared with that of a small/diminutive polyp (<10 mm). Recently, the detection of small and diminutive polyps has been substantially improved with the advancement of endoscopy. However, further research is needed on the role of the incidence of HGD caused by the co-occurrence of small and diminutive polyps in the progression of HGD. In this study, we aim to investigate whether and how the small and diminutive polyps correlate with the incidence of HGD in the population...
2024: Frontiers in Oncology
https://read.qxmd.com/read/38395489/updates-on-the-prevention-and-management-of-post-polypectomy-bleeding-in-the-colon
#22
REVIEW
Hisham Wehbe, Aditya Gutta, Mark A Gromski
Post-polypectomy bleeding (PPB) remains a significant procedure-related complication, with multiple risk factors determining the risk including patient demographics, polyp characteristics, endoscopist expertise, and techniques of polypectomy. Immediate PPB is usually treated promptly, but management of delayed PPB can be challenging. Cold snare polypectomy is the optimal technique for small sessile polyps with hot snare polypectomy for pedunculated and large sessile polyps. Topical hemostatic powders and gels are being investigated for the prevention and management of PPB...
April 2024: Gastrointestinal Endoscopy Clinics of North America
https://read.qxmd.com/read/38388860/reading-of-small-bowel-capsule-endoscopy-after-frame-reduction-using-an-artificial-intelligence-algorithm
#23
JOURNAL ARTICLE
Dong Jun Oh, Youngbae Hwang, Sang Hoon Kim, Ji Hyung Nam, Min Kyu Jung, Yun Jeong Lim
OBJECTIVES: Poorly visualized images that appear during small bowel capsule endoscopy (SBCE) can confuse the interpretation of small bowel lesions and increase the physician's workload. Using a validated artificial intelligence (AI) algorithm that can evaluate the mucosal visualization, we aimed to assess whether SBCE reading after the removal of poorly visualized images could affect the diagnosis of SBCE. METHODS: A study was conducted to analyze 90 SBCE cases in which a small bowel examination was completed...
February 22, 2024: BMC Gastroenterology
https://read.qxmd.com/read/38382386/tfcnet-a-texture-aware-and-fine-grained-feature-compensated-polyp-detection-network
#24
JOURNAL ARTICLE
Xiaoying Pan, Yaya Mu, Chenyang Ma, Qiqi He
PURPOSE: Abnormal tissue detection is a prerequisite for medical image analysis and computer-aided diagnosis and treatment. The use of neural networks (CNN) to achieve accurate detection of intestinal polyps is beneficial to the early diagnosis and treatment of colorectal cancer. Currently, image detection models using multi-scale feature processing perform well in polyp detection. However, these methods do not fully consider the misalignment of information in the process of feature scale change, resulting in the loss of fine-grained features, and eventually cause the missed and false detection of targets...
February 14, 2024: Computers in Biology and Medicine
https://read.qxmd.com/read/38382099/polyp-segmentation-with-interference-filtering-and-dynamic-uncertainty-mining
#25
JOURNAL ARTICLE
Yunhua Zhang, Gang Yang, Congjin Gong, Jianhao Zhang, Shuo Wang, Yutao Wang
Accurate polyp segmentation from colonoscopy images plays a crucial role in the early diagnosis and treatment of colorectal cancer. However, existing polyp segmentation methods are inevitably affected by various image noises, such as reflections, motion blur, and feces, which significantly affect the performance and generalization of the model. In addition, coupled with ambiguous boundaries between polyps and surrounding tissue, i.e., small inter-class differences, accurate polyp segmentation remains a challenging problem...
February 21, 2024: Physics in Medicine and Biology
https://read.qxmd.com/read/38370186/the-role-of-zeb1-in-regulating-tight-junctions-in-antrochoanal-polyp
#26
JOURNAL ARTICLE
Yisha Wu, Dingqian Hao, Yanyi Tu, Lin Chen, Peng Yu, Aiping Chen, Yuzhu Wan, Li Shi
BACKGROUND: Antrochoanal polyp (ACP) is a benign nasal mass of unknown etiology. Tight junctions (TJs) are essential to the epithelial barrier that protects the body from external damage. However, the phenotype of tight junction in ACP is currently unclear. METHODS: The samples were collected from 20 controls, 37 patients with ACP and 45 patients with chronic rhinosinusitis with nasal polyp (CRSwNP). Quantitative Real-Time PCR (qRT-PCR) and immunofluorescence staining (IF) were performed to analyze the expressions of TJs markers (ZO-1, claudin-3 and occludin) and ZEB1...
February 29, 2024: Heliyon
https://read.qxmd.com/read/38357029/gel-immersion-emr-of-small-bowel-inflammatory-fibroid-polyp-using-double-balloon-endoscopy
#27
JOURNAL ARTICLE
Yuka Matsubara, Akiyoshi Tsuboi, Issei Hirata, Akihiko Sumioka, Hidenori Tanaka, Ken Yamashita, Yuji Urabe, Shiro Oka
Video 1A case of an inflammatory fibroid polyp of the ileum that was safely resected using gel immersion EMR with double-balloon endoscopy.
February 2024: VideoGIE
https://read.qxmd.com/read/38353447/society-of-radiologists-in-ultrasound-consensus-conference-recommendations-for-incidental-gallbladder-polyp-management-interreader-agreement-among-ten-radiologists
#28
JOURNAL ARTICLE
Mark A Anderson, Sarah Mercaldo, Jinjin Cao, Nayla Mroueh, Felipe S Furtado, Rory L Cochran, Ryan Chung, Reece J Goiffon, Madeleine Sertic, Theodore T Pierce, Aoife Kilcoyne, Amirkasra Mojtahed, Anuradha S Shenoy-Bhangle, Onofrio A Catalano, Avinash Kambadakone
Background: The 2022 Society of Radiologists in Ultrasound (SRU) consensus conference recommendations support less-aggressive management of small gallbladder polyps on ultrasound versus earlier approaches and may help standardize polyp evaluation by radiologists. Objective: To assess radiologists' interreader agreement in applying the SRU recommendations for management of incidental gallbladder polyps on ultrasound. Methods: This retrospective study included 105 patients (median age, 52 years; 75 women, 27 men) with a gallbladder polyp on ultrasound (without features highly suspicious for invasive or malignant tumor) who underwent cholecystectomy between January 1, 2003 and January 1, 2021...
February 14, 2024: AJR. American Journal of Roentgenology
https://read.qxmd.com/read/38333687/clinical-significance-of-type-iv-vascularization-of-laryngeal-lesions-according-to-the-ni-classification
#29
JOURNAL ARTICLE
Lucia Staníková, Peter Kántor, Katarína Fedorová, Karol Zeleník, Pavel Komínek
BACKGROUND: Scattered, small, dot-like intraepithelial papillary capillary loops (IPCLs) represent type IV epithelial vascularization according to "Ni classification" and are considered to be nonmalignant. According to the European Laryngological Society classification, these loops are malignant vascular changes. This contradiction has high clinical importance; therefore, clarification of the clinical significance of type IV vascularization according to the Ni classification is needed...
2024: Frontiers in Oncology
https://read.qxmd.com/read/38332773/excellent-bowel-preparation-quality-is-not-superior-to-good-bowel-preparation-quality-for-improving-adenoma-polyp-detection-rate
#30
JOURNAL ARTICLE
Yingchao Li, Fanjun Meng, Rongrong Cao, Cong Gao, Dongshuai Su, Ke Wang, Jie Han, Xingshun Qi
BACKGROUND: Adequate bowel preparation quality is essential for high-quality colonoscopy according to the current guidelines. However, the excellent effect of bowel preparation on adenoma/polyp detection rate (ADR/PDR) remained controversial. METHODS: During the period from December 2020 to August 2022, a total of 1566 consecutive patients underwent colonoscopy by an endoscopist. Their medical records were reviewed. According to the Boston bowel preparation scale, patients were divided into excellent, good, and poor bowel preparation quality groups...
2024: Clinical Medicine Insights. Oncology
https://read.qxmd.com/read/38310437/recurrent-ileo-ileal-intussusception-caused-by-inflammatory-fibroid-polyp-a-rare-case-report
#31
JOURNAL ARTICLE
Gökmen Güzel, Muhammer Ergenç
An inflammatory fibroid polyp is a rare benign lesion of the gastrointestinal tract, which can cause obstruction or intussusception when it reaches a large diameter. We present a case of a 46-year-old female admitted to our clinic with recurrent ileus attacks. We performed segmental resection of the small bowel due to a 3-cm pedunculated polypoid lesion located in the terminal ileum that caused ileo-ileal intussusception and whose pathology was reported as an inflammatory fibroid polyp. In adults presenting with ileus, the possibility of intussusception should be kept in mind...
June 1, 2023: Archives of Iranian Medicine
https://read.qxmd.com/read/38310266/comparison-of-the-efficacy-and-tolerability-of-elobixibat-plus-sodium-picosulfate-with-magnesium-citrate-and-split-dose-2-l-polyethylene-glycol-with-ascorbic-acid-for-bowel-preparation-before-outpatient-colonoscopy-a-study-protocol-for-the-multicentre-randomised
#32
JOURNAL ARTICLE
Kinichi Hotta, Yosuke Otake, Daisuke Yamaguchi, Yuichi Shimodate, Norihiro Hanabata, Hiroaki Ikematsu, Yohei Yabuuchi, Yasushi Sano, Ryo Shimoda, Shinya Sugimoto, Mari Oba, Hiroyuki Takamaru, Kouichiro Kimura, Yoshihiro Kishida, Kazunori Takada, Sayo Ito, Kenichiro Imai, Kazuya Hosotani, Tatsuro Murano, Masayoshi Yamada, Kensuke Shinmura, Rio Takezawa, Michito Tomonaga, Yutaka Saito
BACKGROUND: Sodium picosulfate (SP)/magnesium citrate (MC) and polyethylene glycol (PEG) plus ascorbic acid are recommended by Western guidelines as laxative solutions for bowel preparation. Clinically, SP/MC has a slower post-dose defaecation response than PEG and is perceived as less cleansing; therefore, it is not currently used for major bowel cancer screening preparation. The standard formulation for bowel preparation is PEG; however, a large dose is required, and it has a distinctive flavour that is considered unpleasant...
February 3, 2024: BMC Gastroenterology
https://read.qxmd.com/read/38304315/multiple-intussusceptions-secondary-to-peutz-jegher-s-syndrome-in-an-adult-male-a-case-report-from-pakistan
#33
Waniyah Masood, Raheel Ahmed, Faizan Ahmed Fazlani, Shaheryar Shakir, Md Al Hasibuzzaman
Intussusception is a medical condition characterized by invagination of the intestinal segment, causing obstruction and leading to potential complications such as ischemia, necrosis and perforation. While paediatric intussusception is well documented with a peak in ages between 4 and 36 months, adult intussusception is a rare condition usually involving a lead point. In this article, we present an uncommon case of an adult male with worsening of his long-standing lower abdominal pain for the last 2 months...
January 2024: Journal of Surgical Case Reports
https://read.qxmd.com/read/38299637/low-levels-of-mir-143-3p-are-associated-with-severe-chronic-rhinosinusitis-with-nasal-polyps
#34
JOURNAL ARTICLE
V Tubita, M Fuentes, B Callejas, M Bantulà, C Marin, I Alobid, J Bartra, A Valero, J Roca-Ferrer, J Mullol
microRNAs (miRNAs) are small, single-stranded, non-coding RNA molecules that regulate post-transcriptional gene expression. Accumulating evidence suggests their involvement in regulating various biological and pathological processes, including inflammation. Studies have revealed distinct expression patterns of miRNAs in Chronic Rhinosinusitis with (CRSwNP) and without (CRSsNP) nasal polyps (1). Specifically, miR-155 and miR-21 have been observed to be upregulated in CRSwNP, increasing and attenuating the expression of pro-inflammatory cytokines, respectively (2,3)...
February 1, 2024: Rhinology
https://read.qxmd.com/read/38299370/epolar-unet-an-edge-attending-polar-unet-for-automatic-medical-image-segmentation-with-small-datasets
#35
JOURNAL ARTICLE
Yating Ling, Yuling Wang, Qian Liu, Jie Yu, Lei Xu, Xiaoqian Zhang, Ping Liang, Dexing Kong
BACKGROUND: Medical image segmentation is one of the most key steps in computer-aided clinical diagnosis, geometric characterization, measurement, image registration, and so forth. Convolutional neural networks especially UNet and its variants have been successfully used in many medical image segmentation tasks. However, the results are limited by the deficiency in extracting high resolution edge information because of the design of the skip connections in UNet and the need for large available datasets...
February 1, 2024: Medical Physics
https://read.qxmd.com/read/38292586/device-assisted-enteroscopy-in-the-surveillance-of-intestinal-hamartomas-in-peutz-jeghers-syndrome
#36
JOURNAL ARTICLE
Omar Wahid Mohamed Elfeky, Suraj Panjwani, David Cave, Daniel Wild, Daniel Raines
Background and study aims Peutz-Jeghers syndrome (PJS) is an autosomal-dominant genetic disorder characterized by the formation of hamartomatous polyps in the gastrointestinal tract. These polyps result in significant morbidity due to adverse events (AEs) including intestinal obstruction, bleeding, and malignancy. The aim of this study was to describe the role of device-assisted enteroscopy (DAE) in monitoring and prophylactic polypectomy within the small bowel. Patients and methods Electronic medical records were surveyed to identify all DAE procedures performed in patients with PJS at three US referral centers between January 1, 2007 and January 1, 2020...
January 2024: Endoscopy International Open
https://read.qxmd.com/read/38289665/cold-snare-polypectomy-in-small-10-mm-pedunculated-colorectal-polyps-a-systematic-review-and-meta-analysis
#37
JOURNAL ARTICLE
Andrew Canakis, Saurabh Chandan, Jay Bapaye, Justin Canakis, Benjamin Twery, Babu P Mohan, Daryl Ramai, Antonio Facciorusso, Mohammad Bilal, Douglas G Adler
INTRODUCTION: Endoscopic removal techniques for colorectal polyps include cold snare polypectomy (CSP) and hot snare polypectomy (HSP). Although HSP is recommended for pedunculated polyps (PPs) larger than 10 mm, data regarding use of CSP for PPs <10 mm continues to emerge. We aimed to investigate outcomes of these techniques in small (<10 mm) pedunculated colorectal polyps. METHODS: Multiple databases were searched till June 2022 to identify studies involving the removal of small PPs with CSP and HSP...
March 30, 2023: Journal of Clinical Gastroenterology
https://read.qxmd.com/read/38289210/natural-history-of-colorectal-polyps-undergoing-longitudinal-in-vivo-ct-colonography-surveillance
#38
JOURNAL ARTICLE
B Dustin Pooler, David H Kim, Kristina A Matkowskyj, Michael A Newton, Richard B Halberg, William M Grady, Cesare Hassan, Perry J Pickhardt
Background The natural history of colorectal polyps is not well characterized due to clinical standards of care and other practical constraints limiting in vivo longitudinal surveillance. Established CT colonography (CTC) clinical screening protocols allow surveillance of small (6-9 mm) polyps. Purpose To assess the natural history of colorectal polyps followed with CTC in a clinical screening program, with histopathologic correlation for resected polyps. Materials and Methods In this retrospective study, CTC was used to longitudinally monitor small colorectal polyps in asymptomatic adult patients from April 1, 2004, to August 31, 2020...
January 2024: Radiology
https://read.qxmd.com/read/38270839/a-case-of-intestinal-intussusception-with-unique-hemorrhagic-polyps-due-to-al-amyloidosis-and-excessive-anticoagulation
#39
JOURNAL ARTICLE
Rie Hayashi, Genta Sawada, Yoshitoshi Ichikawa, Akihiro Takata, Masahiro Murakami, Hiroki Fukunaga, Hayato Kimura, Shunji Morita
Most adult intussusceptions are secondary to various pathological conditions that serve as a lead point. Because of their serious nature, intussusceptions often require emergency surgery. We report a surgical case of amyloidosis associated with intussusception, probably due to polypoid protrusions and bleeding tendencies. An 80-year-old man with abdominal pain was suspected of having jejunal intussusception on computed tomography. He had been prescribed warfarin for atrial fibrillation, and excessive anticoagulation was observed with a prolonged prothrombin time/international normalized ratio of 5...
January 25, 2024: Clinical Journal of Gastroenterology
https://read.qxmd.com/read/38264462/colonic-invasive-adenocarcinoma-with-squamoid-morules-a-case-report
#40
Akira Ishikawa, Hidenori Tanaka, Ken Yamashita, Koji Arihiro, Shiro Oka, Manabu Shimomura, Hideki Ohdan
Colorectal adenomas with squamoid morules are rare; however, colorectal adenocarcinomas are even rarer. Herein, we present a case of colorectal adenocarcinoma with squamoid morules arising from the transverse colon. A 60-year-old Japanese man underwent a colonoscopy, and a Type 0-Is polyp was detected in the transverse colon. The endoscopic findings suggested a high possibility of carcinoma invasion into the deep submucosa. However, endoscopic mucosal resection was performed due to the patient's preference...
April 2024: DEN Open
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