Results 11 to 20 of about 126,798 (312)

Schwannoma of the uterine cervix: a rare case report [PDF]

open access: yesObstetrics & Gynecology Science, 2019
Schwannomas are neurogenic tumors, which are among the most varied tumors with respect to morphology, clinical associations, and presentations; they occur in a wide variety of sites.
Biswajit Dey   +4 more
doaj   +1 more source

Risk of adenoma recurrence after polypectomy in patients younger than 50 years vs. 50 years old and over with diminutive or small adenomas

open access: yesFrontiers in Oncology, 2022
Background and aimsCurrent studies have shown that polyp recurrence occurs after colonic adenomas polypectomy (AP), but the difference in recurrence risk between patients in patients older than 50 years and younger than 50 years has not been clearly ...
Sicheng Cai   +4 more
doaj   +1 more source

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

The use of 3D surface fitting for robust polyp detection and classification in CT colonography [PDF]

open access: yes, 2006
In this paper we describe the development of a computationally efficient computer-aided detection (CAD) algorithm based on the evaluation of the surface morphology that is employed for the detection of colonic polyps in computed tomography (CT ...
Chowdhury, Tarik A.   +2 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

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

Factors associated with the efficacy of polyp detection during routine flexible sigmoidoscopy [PDF]

open access: yes, 2017
Objective: Flexible sigmoidoscopy reduces the incidence of colonic cancer through the detection and removal of premalignant adenomas. However, the efficacy of the procedure is variable.
Anderson, John H.   +4 more
core   +1 more source

Polyphosphate granule biogenesis is temporally and functionally tied to cell cycle exit during starvation in Pseudomonas aeruginosa [PDF]

open access: yes, 2017
Polyphosphate (polyP) granule biogenesis is an ancient and ubiquitous starvation response in bacteria. Although the ability to make polyP is important for survival during quiescence and resistance to diverse environmental stresses, granule genesis is ...
Dieterle, Michael G.   +5 more
core   +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

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