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The researchers will investigate gut microbiome in Korean patients with ulcerative colitis and normal control subjects using metagenomic analysis to elucidate the significant difference between two groups This study will help to understand the association between gut microbiome and inflammatory bowel disease.
Observational Model: Case Control, Time Perspective: Prospective
Colonoscopy biopsy, stool collection, colonoscopy biopsy, stool collection
Seoul National University Hospital
Korea, Republic of
Seoul National University Hospital
Computed tomography (CT) colonography has gained widespread multi-disciplinary interest as an evolving noninvasive colorectal screening examination, with the potential of improved patient ...
The aim of this study is to compare the colonoscopy success rate, cecal time and polyp detection rate between cap-fitted colonoscopy and conventional colonoscopy.
Observing the effects of an Olympus cap on the visibility and in adenoma detection during colonoscopy.
The primary aim of the study is to increase the success rate of cecal intubation in first colonoscopy and in repeated colonoscopy for the first failed procedure. The secondary aims are to...
This study will examine the effectiveness of G-CSF in treating patients with Crohn's disease-a long-term recurring inflammation of the small and large intestine. Patients may have swelling...
Despite strong recommendations for colorectal cancer (CRC) screening, participation rates are low. Understanding factors that affect screening choices is essential to developing future screening strat...
Fecal Microbiota Transplantation (FMT) is a safe and highly effective treatment for recurrent and refractory C. difficile infection (CDI). Various methods of FMT administration have been reported in t...
Screening has a central role in colorectal cancer (CRC) control. Different screening tests are effective in reducing CRC-specific mortality. Influence on cancer incidence depends on test sensitivity f...
Polyps of 1-5 mm are often detected during colonoscopy; these are only sporadically malignant. The removal, collection and pathological analysis of these polyps accounts for a significant part of the ...
Colonoscopy is the cornerstone of colorectal cancer screening programs. There is significant variability in the quality of colonoscopy between endoscopists. Colonoscopy quality assessment tracks vario...
A subtype of MICROSCOPIC COLITIS, characterized by chronic watery DIARRHEA of unknown origin, a normal COLONOSCOPY but abnormal histopathology on BIOPSY. Microscopic examination of biopsy samples taken from the COLON show larger-than-normal band of subepithelial COLLAGEN.
A subtype of MICROSCOPIC COLITIS, characterized by chronic watery DIARRHEA of unknown origin, a normal COLONOSCOPY but abnormal histopathology on BIOPSY. Microscopic examination of biopsy samples taken from the COLON show infiltration of LYMPHOCYTES in the superficial EPITHELIUM and the underlying connective tissue (lamina propria).
A condition characterized by chronic watery DIARRHEA of unknown origin, a normal COLONOSCOPY but abnormal histopathology on BIOPSY. This syndrome was first described in 1980 by Read and associates. Subtypes include COLLAGENOUS COLITIS and LYMPHOCYTIC COLITIS. Both have similar clinical symptoms and are distinguishable only by histology.
Development of a library collection, including the determination and coordination of selection policy, assessment of needs of users and potential users, collection use studies, collection evaluation, identification of collection needs, selection of materials, planning for resource sharing, collection maintenance and weeding, and budgeting.
Formation of a firm impassable mass of stool in the RECTUM or distal COLON.