نتایج جستجو برای: colorectal tumor
تعداد نتایج: 494611 فیلتر نتایج به سال:
Background: Colorectal Cancer (CRC) is the third common cancer in the world. One of the pathways in colorectal tumor genesis is Microsatellite Instability (MSI+). MSI is detected in about 15% of all colorectal cancers. Colorectal tumors with MSI have dis-tinctive features compared with Microsatellite Stable (MSS) tumors. Due to the high percentage of MSI+ in patients with CRC in Iran, screening...
Background and purpose: Colorectal cancer is the fourth most common cancer in Iran. The incidence of this cancer, especially in the northern regions in Iran, has increased in the last two decades. This study was designed to update the demographic and clinical characteristics of patients with colorectal cancer in Mazandaran province. Materials and methods: All patients with diagnosis of colorec...
background: colorectal tumor is one of the main causes of death in our country. the aim of the present study was to determine the clinicopathological aspects of tumor and the presence of hepatic micrometastasis in patients with colorectal cancer (crc). materials and methods: forty two patients with crc were evaluated in the study surgical treatment was performed and liver biopsy was taken for t...
PURPOSE Infection with human papillomaviruses (HPV) is associated with the development of cervical cancer, but whether HPVs have a role in colorectal cancer remains controversial. EXPERIMENTAL DESIGNS To determine the relationship between HPV and colorectal cancer, we did a retrospective, controlled study using tumor and tumor-adjacent colorectal tissues dissected from patients with colorecta...
colorectal cancer most commonly metastasizes to the liver and lung. metastatic colon carcinoma (mcc) to the breast is extremely rare. krukenberg tumor is an uncommon metastatic tumor of the ovary. case presentation: a 38 years woman presented with abdominal pain. in evaluation colon cancer was diagnosed at stage 3. folfox chemotherapy was done. after one year she developed krukenberg tumor. few...
Colorectal cancer (CRC) is one of the most common types of cancers worldwide. Despite the improved therapeutic and diagnostic strategies and screening programs, morbidity and mortality of CRC is still considerable. Currently, most common approaches for diagnosis of CRC are colonoscopy and fecal occult blood test (FOBT). Because of the invasive nature of colonoscopy and low sensitivity of FOBT, ...
background: colorectal cancer is one of the most common malignancies worldwide with more than one million new cases diagnosed each year . the aim of this study is to investigate the prevalence of herpes simplex virus and epstein-barr virus in patients with colorectal carcinomas and polyps in comparison with healthy subjects by using the polymerase chain reaction technique. methods: in this anal...
Background and objective: EGFR and HER-2 are two members of ERbB/HER family of Type I Transmembrane growth factor receptors. Cox2 is an enzyme responsible for the conversion of arachidonic acid to prostaglandins, which has a major role in angiogenesis and can modelate tumor growth. The aim of this study was to determine the level of expression of EGFR, HER-2 and Cox2 in colorectd cancer. Mater...
Background and Objective: Neuroendocrine differentiation has not been proved to have effects in behavior of colorectal carcinomas. The aim of this study was Immunohistochemical evaluation of neuroendocrine differentiation in colorectal cancer. Patients and Methods: In this cross-sectional study, 83 paraffin blocks from patients admitted in Rasoul-e-akram Hospital, Tehran, Iran, during 2003 to ...
Introduction: Detection of malignant cells in the peritoneal cavity indicates the extension of cancer cells. The aim of this study is to evaluate the incidence rate of positive cytology in colorectal cancer and its relationship with the local progress of the tumor. Methods: In a 2-year prospective study in Mashhad and Iran Universities of Medical Sciences, peritoneal lavage was performed on...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید