aim : this study aims to investigate some clinical and pathologic factors associated with the prognosis of patients with colon and rectum cancers separately. background : colorectal cancer is the most common cancer of the digestive system and also the fourth cause of cancer-related deaths around the world. different studies indicate that survival of patients with colorectal cancer has improved ...

In myelomeningocele, there is an interruption of the pathway of bowel control via loss of the message given by pressured rectum which normally informs brain for emptying the rectum via an order from the brain to relax the external anal sphincter. but the rectum in myelomeningocele is weak and stretched losing the sensory perception mechanism which leads to accumulation of the waste in rectum pr...

A description of the examination of the rectum falls naturally into two parts: (I) Examination of the rectum itself; (II) Examination of the pelvis and, under certain conditions, of some abdominal organs through the wall of or from within the lumen of the rectum. The latter should always be made to include the former, and no examination of the rectum per se can be considered adequate unless it ...

Chronic constipation is a disorder frequently encountered in clinical practice. Here, we describe the use of ultrasonography as a new approach to the follow-up of adult patients with functional chronic constipation. Specifically, we report two cases of functional chronic constipation: fecal retention in the rectum and not fecal retention in the rectum. In the not fecal retention in the rectum p...

background: this study assessed the optimal timing of computed tomography for detection of metastatic disease in locoregional lymph nodes in patients with rectal cancer who have undergone chemoradiotherapy. materials and methods: this observational retrospective study was performed in a single institution. all patients with locally advanced rectal cancer treated with chemoradiotherapy, followed...

PURPOSE A major concern in prostate brachytherapy is rectal toxicity, which mainly depends on the dose and volume of rectum involved by radiation. We hypothesize that the rectal distension, as produced by constipation, influences the dosimetric parameters of the rectum and other pelvic organs. MATERIAL AND METHODS An open, controlled, prospective, paired trial (pre-post test) was designed and...

BACKGROUND The aim of this study was to analyze the influence of volumetric changes of bladder and rectum filling on the 3D dose distribution in prostate cancer radiotherapy. METHODS A total of 314 cone-beam CT (CBCT) image data sets from 19 patients were enrolled in this study. For each CBCT, the bladder and rectum were contoured and volume sizes were normalized to those on their original CT...

We report a case that an ileo-ileal fistula in the pelvis due to Crohn's disease adhered rectum, formed abscess, and resulted multiple nodular protrusion rectum resembling phlegmonous colitis. In disease, inflammation of ileum may spread form cystic or rectal fistulas. It was considered rare endoscopic finding could be seen disease.

The purpose of this study was to investigate the consistency of rectal sparing using multiple periodic quality assurance computerized tomography imaging scans (QACT) obtained during the course of proton therapy for patients with prostate cancer treated with a hydrogel spacer. Forty-one low- and intermediate-risk prostate cancer patients treated with image-guided proton therapy with rectal space...