objectives: to investigate fasting glucose, glucose tolerance, insulin resistance and insulin–like growth factor 1 in patients with or without colorectal polyps. materials and methods: in this cross-sectional study, we evaluated fasting glucose, insulin, insulin–like growth factor 1 (igf-1), lipid profile and glucose tolerance test in 103 patients undergoing colonoscopy (52 normal and 53 with a...

cronkhite-canada syndrome (ccs) is a rare, non-familial disorder of unknown etiology associated with alopecia, cutaneous hyperpigmentation, gastrointestinal polyposis, onychodystrophy, diarrhea, weight loss and abdominal pain.the prevalence ofâ gastrointestinal malignancy in ccs patients is about 13%, and especially is high in colorectal and gastric areas; 5 year mortality rate is 55%. in this ...

Recently, p16 stromal expression has been reported in the examination of endometrial serous adenocarcinomas associated with polyps. Therefore, polyps are defined as preneoplastic formations some textbooks. Due to these different expressions cells polyps, we wanted present place tissue hyperplasia and differential diagnosis our review article.

Background & Objective: Most colorectal cancers (CRCs) arise from adenomatous polyps, and clinical management of this type of polyp is highly dependent on the reliability and validity of the pathological diagnosis. The aim of this study was to examine the interobserver agreement of five pathologists in assessing dysplasia in adenomatous polyps. Methods: I...

34 children aged 9 months to 12 years presenting with chronic and intermittent rectal bleeding were diagnosed as having colorectal polyps by fiberoptic colonoscopy performed under sedation. Bleeding per rectum (mean duration, 15 months) was the chief presenting symptom and was present in 97% of these patients. In 85% of patients polypectomy was carried out without using general anesthesia....

From June 1989, to June 1991, 58 patients with GI polyps were reviewed. Except two patients who had multiple polyps, 56 had only one polyp. The size of polyps were 0.5 to 3 em in diameter. 51 (75%) of polyps were located in the rectosigmoid region, 25 (37%) were in the rectum and 26 (38%) in the sigmoid. (Seventeen) (25%) polyps (two in right colon, four in transverse, and 11 in descending...

conclusion we constructed and validated a ct colonography phantom with correct density allowing performance of reproducible experiments. materials and methods we found 15 different phantom designs by literature search and compared their advantages and disadvantages based on their description and images. we tested various materials for density and mechanical properties and constructed a phantom ...

aim : the aim of this study was to report the anatomical location and histologic type of colorectal polyps in a large series of iranian patients that attended for colonoscopy. background : polyps that develop through the adenoma-carcinoma pathway are considered neoplastic and may eventually progress to invasive carcinomas. in addition polyps can develop with no neoplastic potential. these neopl...

nasal polyposis is an inflammatory condition of unknown etiology that involves nasal and sinus mucous membrane. these polyps can impair a person’s quality of life by nasal obstruction, recurrent sinusitis, persistent postnasal drainage, hyposmia, anosmia, changes in sense of taste and even bony destruction. it has been shown that chronic inflammation causes a reactive hyperplasia of the intrana...