نتایج جستجو برای: intestinal polyposis
تعداد نتایج: 141322 فیلتر نتایج به سال:
BACKGROUND Multiple lymphomatous polyposis is a rare type of gastrointestinal lymphoma that extensively infiltrates the intestine. Multiple lymphomatous polyposis originates from the mantle zone of the lymphoma follicle and is considered to be a mantle cell lymphoma, which is a relatively aggressive type of B-cell non-Hodgkin's lymphoma. We report an unusual case of a patient with multiple lymp...
BACKGROUND Mantle cell lymphoma (MCL) is an aggressive type of B-cell non-Hodgkin's lymphoma that originates from small to medium sized lymphocytes located in the mantle zone of the lymph node. Extra nodal involvement is present in the majority of cases, with a peculiar tendency to invade the gastro-intestinal tract in the form of multiple lymphomatous polyposis. MCL can be accurately diagnosed...
Oral administration of particulate IL-10 suppressed polyposis, ameliorated systemic pathology and extended lifespan in APCmin/+ mice. Therapeutic effect was associated with selective activity of IL-10 on intestinal CD4+Foxp3+RORγt+IL-17+ pathogenic T-regulatory cells. Studies were recently extended to a bacterially-driven murine colon adenocarcinoma model with similar results. Clinical implicat...
A FEW decades ago intestinal polyposis was regarded as a single entity, but increasing knowledge has led to the identification of a number of different syndromes. The term polyposis coli is usually taken to mean familial adenomatosis coli, a premalignant condition occurring in adolescents and adults. Although there have been many reports of colonic polyposis in children, discussions on the subj...
A polyp is defined as any mass protruding into the lumen of a hollow viscus. Colorectal polyps may be classified by their macroscopic appearance as sessile (flat, arising directly from the mucosal layer) or pedunculated (extending from the mucosa through a fibrovascular stalk). Colorectal polyps may also be histologically classified as neoplastic or as non-neoplastic (hyperplastic, hamartomatou...
Mutation of the adenomatous polyposis coli (APC gene), an early event in the adenoma-carcinoma sequence, is present in 70-80% of sporadic human colorectal adenomas and carcinomas. To test the hypothesis that mutation of the APC gene alters microbial interactions with host intestinal mucosa prior to the development of polyposis, culture-independent methods (targeted qPCR assays and Illumina sequ...
Background and Aim: Polyps of the gastrointestinal tract (GI) are apparent protrusions from mucosal surface. The majority polyps is asymptomatic goes unnoticed; however in symptomatic situations, most common clinical manifestations include abdominal discomfort, rectal prolapse, intestinal blockage, GI bleeding. present study intended to assess colorectal characteristics based on clinical, patho...
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