Results: 49

Primary adenocarcinoma at colostomy site: report of a clinical case

Colorectal cancer (CRC) is the fourth most frequently diagnosed cancer in the United States and it is found in 17% of patients thought to have complicated diverticular disease. However, primary adenocarcinoma rarely occur in the colostomy site and the risk of developing malignancy is similar to that of a...

Anticarcinogenic activity of methanol extract of Melastoma malabathricum leaves is attributed to the presence of phenolics compounds and the activation of endogenous antioxidant system

Melastoma malabathricum (M. malabathricum) extracts have been reported to exert various pharmacological activities including antioxidants, anti-inflammatory and antiproliferative activities. The objective of the present study was to determine the anticarcinogenic activity of its methanol extract (MEMM)...

Effects of magnesium sulfate and dioctyl sodium sulfosuccinate on fecal hydration, output and systemic hydration in healthy horses

Magnesium sulphate (MS) and dioctyl sodium sulphosuccinate (DSS) are laxative drugs frequently used for the treatment of impactions. The aim of this study was to compare the effects of MS and DSS in fecal hydration, output and systemic hydration in healthy horses. Five healthy horses received 3 treatment...

Effect of preconditioning and postoperative hyperbaric oxygen therapy on colonic anastomosis healing with and without ischemia in rats

Acta cir. bras; 35 (5), 2020
Abstract Purpose To investigate the effect of hyperbaric oxygen therapy on colonic anastomosis healing with and without ischemia in rats. Methods Forty female rats underwent segmental resection of 1 cm of the left colon followed by end-to-end anastomosis. They were randomly assigned to four groups (n...

Colorectal cancer in patients under age 50: a five-year experience

Rev. Col. Bras. Cir; 47 (), 2020
ABSTRACT Objective : to evaluate the clinical characteristics of patients with colorectal cancer under the age of 50 treated at a public hospital in Brasilia over 5 years. Methods: we conducted a longitudinal, retrospective study, with 184 patients undergoing surgical procedures at the Asa Norte Regio...

Effects of anti-TNF-α in experimental diversion colitis

Acta cir. bras; 34 (10), 2019
Abstract Purpose: To evaluate the effects of infliximab on the inflammation of the colonic mucosa devoid from fecal stream. Methods: Twenty-four rats were submitted to a Hartmann's procedure. They remained for 12 weeks with the fecal derivation to development of diversion colitis on excluded colorectal...

Extensive colectomy in colorectal cancer and hereditary nonpolyposis colorectal cancer - long-term results

ABSTRACT Background: Colorectal cancer survival is better in hereditary nonpolyposis colorectal cancer patients than in sporadic colorectal cancer patients and even for hereditary nonpolyposis colorectal cancer with colorectal cancer is not consensual that extensive colectomy is preferable to partial co...

The significance of retroflexion technique in the right colon on adenoma detection rates during colonoscopy

ABSTRACT Background and aim: Right colon adenomas can easily missed with significant adenoma miss rate particularly when they are located behind the haustral folds and anatomical flexures. The aim of this study was to assess the significance of retroflexion technique in the right colon for improving ade...

Therapeutic effect of adenosine on experimentally induced acute ulcerative colitis model in rats

Acta cir. bras; 34 (12), 2019
Abstract Purpose To examine the therapeutic effect of external adenosine on an acetic acid-induced acute ulcerative colitis model in rats. Methods Thirty male mature rats were divided into three groups as control, acute colitis (AC) and AC+adenosine group (AC+AD). AC was induced by rectal administrat...