Water molecular diffusion in vivo tissue is much more complicated. We aimed to compare non-Gaussian diffusion models of diffusion-weighted imaging (DWI) including intra-voxel incoherent motion (IVIM), stretched-exponential model (SEM) and Gaussian diffusion model at 3.0 T MRI in patients with rectal cancer, and to determine the optimal model for investigating the water diffusion properties and ...

background and objectives: the etiology, pathophysiology, nomenclature and clinical manifes-tation of solitary rectal ulcer syndrome (srus) is poorly understood. aim: to examine the pathology of mucosal changes and clinical features of this syndrome. materials and methods: the mucosal biopsies of 19 patients with clinical evidence of solitary rectal ulcer as been reviewed in accordance with the...

Cancer of the colon and rectum are two distinct entities, which require different treatment strategies and separate treatment. MicroRNAs (miRNAs) act as critical regulators of genes involved in several biological processes. Aberrant alterations of miRNAs have been found in several types of cancer, including colon cancer and rectal cancer. Extensive catalogues of downregulated miRNAs have been i...

We evaluated the potential utility of hydrogels for delivery of the photosensitizing agents 5-aminolevulinic acid (ALA) and hematoporphyrin monomethyl ether (HMME) to rectal tumors. Hydrogel suppositories containing ALA or HMME were administered to the rectal cavity of BALB/c mice bearing subcutaneous tumors of SW837 rectal carcinoma cells. For comparison, ALA and HMME were also administered by...

Total mesorectal excision (TME) has emerged as a method for complete cure of rectal cancer with promising results. The present study aimed to evaluate the technical feasibility and the clinical and oncological outcomes of laparoscopic TME with abdominoperineal resection (APR) for distal rectal carcinoma. Twenty patients with distal rectal carcinoma were treated with laparoscopic APR and TME in ...

INTRODUCTION Endoscopic extraperitoneal radical prostatectomy (EERPE) has gained popularity for the treatment of localized prostate cancer. However, prior complex lower abdominal or pelvic surgery can complicate subsequent EERPE. To date, there have been few reports on patients who underwent EERPE after radical resection of pT1-pT2 rectal cancer. AIM To present our experience with EERPE in pa...

Abstract Aim The primary objective of this study is to estimate the incidence rectal carcinoma in patients with an Inflammatory Bowel Disease diagnosis, who have had a total colectomy preserving rectum. secondary objectives are identify risk factors associated malignancy occurrence and explore current recommendations for screening processes these patients. Method A systematic review 5 databases...

Among women with intestinal endometriosis, the sigmoid colon and rectum are the most commonly involved areas. Sometimes, the differential diagnosis of colorectal endometriosis from carcinoma of the colon and rectum is difficult due to similar colonoscopic and radiologic findings. From October 2002 to September 2007, we performed five operations with curative intent for rectal and sigmoid colon ...

BACKGROUND Preoperative diagnosis of lymph node metastasis is often difficult. A number of different criteria have been advocated in the literature, however, an optimal criterion has not yet been determined in patients with rectal carcinoma. PATIENTS AND METHODS Fifty-one patients, undergoing radical surgery with total mesorectal excision, were examined with reference to regional lymph node s...