نتایج جستجو برای: colorectal neoplasm
تعداد نتایج: 257461 فیلتر نتایج به سال:
Background: Ovarian neoplasms are the second most common cause of gynecological malignancy both worldwide as well in India. Innocuous clinical presentation and late diagnosis contribute to mortality toll this neoplasm. Thus, early remains cornerstone increase survival rate ovarian neoplasms. Though, cancer antigen 125 (CA-125) is a time-tested marker for neoplasm yet its increment benign condit...
Enumeration of circulating tumor cells (CTCs) has been proven as a prognostic marker for metastatic colorectal cancer (m-CRC) patients. However, the currently available techniques for capturing and enumerating CTCs lack of required sensitivity to be applicable as a prognostic marker for non-metastatic patients as CTCs are even more rare. We have developed a microfluidic device utilizing antibod...
AIM To assess the prevalence and location of advanced neoplasia in patients undergoing colonoscopy, and to compare the yield per indication. METHODS In a multicenter colonoscopy survey (n = 18 hospitals) in the Amsterdam area (Northern Holland), data of all colonoscopies performed during a three month period in 2005 were analyzed. The location and the histological features of all colonic neop...
BACKGROUND Several genetic alterations have been documented in dysplasia and cancer developing in ulcerative colitis (UC). However, the microsatellite instability (MSI) status has rarely been described, especially in the inflamed epithelium of UC. AIMS To study MSI status during neoplastic and inflammatory changes in UC. METHODS Seventy five surgically resected samples of colorectal mucosa,...
BACKGROUND AND STUDY AIMS Although endoscopic resection is widely used for the treatment of superficial colorectal neoplasms, the rate of local recurrence of lesions with a positive or indeterminate lateral margin on histologic evaluation is unclear. We aimed to demonstrate the relationship between lateral margin status and local recurrence after the endoscopic resection of intramucosal colorec...
Alcohol is a probable risk factor with regard to colorectal neoplasm and is metabolized to the carcinogen acetaldehyde by the genetically polymorphic alcohol dehydrogenase 3 (ADH3) enzyme. We evaluated whether the association between alcohol and colorectal adenomas is modified by ADH3 polymorphism. We recruited 433 cases with adenomatous polyps and 436 polyp-free controls among Caucasians under...
Objectives. Endoscopic submucosal dissection (ESD) for early colorectal neoplasms is regarded as a difficult technique and should commence after receiving the experiences of ESD in the stomach. The implementation of colorectal ESD in countries where early gastric cancer is uncommon might therefore be difficult. The aim is to delineate the feasibility and the learning curve of colorectal ESD per...
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