نتایج جستجو برای: colorectal carcinoma
تعداد نتایج: 454376 فیلتر نتایج به سال:
BACKGROUND Colorectal carcinoma is thought to be rare among children and young adults among whom presentation is usually at a late stage with poor prognosis. OBJECTIVE To review the demography, clinical presentation, morphology, and pathological stage of cases of colorectal carcinomas diagnosed in the children and adults. METHODS This was a retrospective review of cases of histologically di...
The enzyme glutathione S-transferase Mu 1 (GSTM1) is encoded by the GSTM1 gene. Polymorphisms in GSTM1 affect the detoxifying function of the enzyme variants. This forms the basis of the debate about the impact of the GSTM1 null/present genotype on colorectal carcinoma risk. We tested the potential influence of GSTM1 polymorphisms on the development of colorectal cancer. DNA extracted from 83 s...
MiRNAs are small, non-protein-coding RNA molecules that regulate gene expression either by post-transcriptionally suppressing mRNA translation or by mRNA degradation. We examine differentially expressed miRNAs in colorectal carcinomas, adenomas and normal colonic mucosa. Data come from population-based studies of colorectal cancer conducted in Utah and the Kaiser Permanente Medical Care Program...
Background & Aim: Colorectal carcinoma (CRC) is a leading cause of death in the world. It is 2nd most common cancer in Men & 3rd most common cancer in Women in the West. Colorectal carcinoma is more common in Developed countries. We have analyzed diagnostic role of colonoscopy in colorectal carcinoma. Methods: Patients admitted to General Surgery Department & Gastroenterology Department of SCB ...
Background and Purpose: Each year, about 50,000 new cases of cancer occur in Iran and the most common being the gastrointestinal (GI) tract (38%). Colorectal cancers account for the 3rd and 4th most prevalent cancers in Iranian men and women, respectively. Since genetic and environmental factors lead to differences in colorectal cancer occurrence in different geographic regions and races, we ...
BACKGROUND The aim of this study was to evaluate cyclooxygenase-2 (COX-2) immunoreactivity in colorectal adenocarcinomas and to find correlations with different pathological features. MATERIALS AND METHODS This study included 35 cases of colorectal carcinoma for which surgical colectomy specimens were collected. Immunohistochemical staining of COX-2 (cyclooxygenase-2) is done by using the Str...
This case highlights two very rare complications of metastatic colorectal carcinoma. It describes a 59 year old female with both cutaneous and endometrial metastases from colorectal carcinoma. While both of these presentations are very unusual, they highlight the need to be vigilant about the detection of metastatic complications during follow up.
AIMS Microsatellite instability (MSI) was first observed in hereditary non-polyposis colorectal carcinoma (HNPCC) and was subsequently seen in non-familial colorectal carcinoma. The relation between MSI and cancer associated genes in non-familial colorectal carcinomas has yet to be evaluated. To clarify this matter, changes in cancer associated genes were examined in non-familial colorectal car...
Recent research advances highlighted an intestinal goblet cell-produced lectin, intelectin-1 (also known as omentin-1), as a tumor suppressor. One study indicated that downregulation of intelectin-1 may be related to the unfavorable prognosis among patients with colorectal carcinoma at an advanced stage. The present study was aimed at analyzing the expression of a hitherto uncharacterized trans...
NDRG2, a new member of the N-Myc downstream-regulated gene (NDRG) family, is a focus for study at present. Up to now, its expression and function in carcinoma remain to be elucidated. In this study, using a colorectal cancer tissue array and a series of 213 colorectal cancer samples, the relationship between Ndrg2 and c-MYC expression and tumor differentiation level was investigated. Immunohist...
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