Results 11 to 20 of about 94,278 (212)

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

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

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

A statistical approach for robust polyp detection in CT colonography [PDF]

open access: yes, 2005
In this paper we describe the development of a computationally efficient computer-aided detection (CAD) algorithm based on the statistical features derived from the local colonic surface that are used for the detection of colonic polyps in computed ...
Chowdhury, Tarik A.   +5 more
core   +1 more source

A note on feature selection for polyp detection in CT colonography [PDF]

open access: yes, 2006
In this paper we describe a computer aided detection (CAD) algorithm for robust detection of polyps in computed tomography (CT) colonography. The devised algorithm identifies suspicious polyp candidate surfaces using the surface normal intersection ...
Chowdhury, Tarik A.   +11 more
core   +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

Shape filtering for false positive reduction at computed tomography colonography [PDF]

open access: yes, 2006
In this paper, we treat the problem of reducing the false positives (FP) in the automatic detection of colorectal polyps at Computer Aided Detection in Computed Tomography Colonography (CAD-CTC) as a shape-filtering task.
Abhilash A. Miranda   +7 more
core   +1 more source

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

Oropharyngeal Hairy Polyp Causing Dysphagia [PDF]

open access: yes, 2015
Hairy polyp is a rare, benign tumor that comprises ectodermal and mesodermal germ layers. The embryogenesis of hairy polyp is precisely unknown, and concurrently, it has a female predominance.
Yusuf Vayısoğlu   +3 more
core   +1 more source

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