Results 11 to 20 of about 78,537 (269)

An Effective Representation Learning Approach: The Integrated Self-Supervised Pre-Training Models of StyleGAN2-ADA and DINO for Colon Polyp Images

open access: yesIEEE Access, 2023
In order to achieve optimal performance in the task of visual representation learning from image or video datasets, a significant quantity of annotated data is required.
Jong-Yeup Kim   +6 more
doaj   +1 more source

Juvenile polyp [PDF]

open access: yesEuropean Journal of Pediatrics, 2013
The most frequent clinical presentation of intestinal polyps is painless rectal bleeding. Although colonoscopy is the modality of choice for the diagnosis of intestinal polyps, sonography may be the first diagnostic tool in the evaluation of children with bloody stools. Ultrasonography has the advantage of being safe and noninvasive.
Caiulo, Silvana   +2 more
openaire   +3 more sources

A New Automated Polyp Detection Network MP-FSSD in WCE and Colonoscopy Images Based Fusion Single Shot Multibox Detector and Transfer Learning

open access: yesIEEE Access, 2022
Small polyp region detection in wireless capsule endoscopy (WCE) images is a challenging task in computer vision owing to two major problems: its variation in terms of shape, texture, and size, and the low illumination in the gastrointestinal tract. This
Meryem Souaidi, Mohamed El Ansari
doaj   +1 more source

Secondary Colo-Colic Intussusception Caused by Giant Polyp of Sigmoid Colon in a 5-Year-Old Girl

open access: yesCase Reports in Gastroenterology, 2023
Intussusception is common in infants and young children. The most common type is small intestinal intussusception or ileo-colic intussusception. Colonic intussusception is rare.
Tan Haizhi, Xiao Xiaobing, Deng Jianrong
doaj   +1 more source

Meta-Polyp: A Baseline for Efficient Polyp Segmentation

open access: yes2023 IEEE 36th International Symposium on Computer-Based Medical Systems (CBMS), 2023
In recent years, polyp segmentation has gained significant importance, and many methods have been developed using CNN, Vision Transformer, and Transformer techniques to achieve competitive results. However, these methods often face difficulties when dealing with out-of-distribution datasets, missing boundaries, and small polyps.
openaire   +2 more sources

Transverse colon xanthoma: Rare yet important

open access: yesSaudi Journal for Health Sciences, 2019
Colonic xanthomas are rare, benign lesions of the gastrointestinal tract characterized by a foamy cell containing lipid in the lamina propria and mucosa. They have been commonly described in the stomach and rectosigmoid region in few case reports.
Sameer Ahmed Ansari   +3 more
doaj   +1 more source

Case of recurrent cervical polyp-unusual presentation of leiomyosarcoma

open access: yesArchives of Medicine and Health Sciences, 2014
Leiomyosarcomas are relatively rare tumors of mesodermal origin. These tumors constitute 2-6% of uterine malignancies. Lieomyosarcoma is common in age group of 43-53 yrs; only 15% is usually seen in younger than 40 yrs.
Archana Vikram   +3 more
doaj   +1 more source

Laparoscopic–Endoscopic “Rendezvous” Procedure in Pediatric Gastrointestinal Surgery—Case Series

open access: yesChildren, 2021
Laparoscopic–endoscopic “rendezvous” procedures were introduced in surgery for common bile duct stone treatment but are now widely used in other fields of abdominal surgery. An endoscopist navigates a surgeon during the same operative procedure and, thus,
Radoica Jokić   +4 more
doaj   +1 more source

Pseudoxanthoma elasticum: A rare cause of gastrointestinal bleed

open access: yesSahel Medical Journal, 2015
Causes of obscure gastrointestinal (GI) bleed are diverse and rare. The most common cause for GI bleeding of small bowel origin is angiodysplasia, followed by tumors of the small intestine, and various other causes, including small bowel ulcers and ...
Ishrat H Dar, Samia R Mir, Showkat H Dar
doaj   +1 more source

Role of the β-Catenin/REG Iα Axis in the Proliferation of Sessile Serrated Adenoma/Polyps Associated with Fusobacterium nucleatum

open access: yesPathogens, 2021
Although sessile serrated adenoma/polyps (SSA/Ps) may arise through a pathway different from the traditional adenoma–carcinoma sequence, details of SSA/P tumorigenesis still remain unclear.
Heihachiro Nishimura   +8 more
doaj   +1 more source

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