نتایج جستجو برای: rectal retractor prostate cancer radiotherapy rectum
تعداد نتایج: 988414 فیلتر نتایج به سال:
BACKGROUND The aim of the study was to evaluate self-assessed bowel toxicity after radiotherapy (RT) for prostate cancer. In contrast to rectal bleeding, information concerning irritative symptoms (rectal urgency, pain) and incontinence after RT has not been adequately documented and reported in the past. METHODS Patients (n = 286) have been surveyed prospectively before (A), at the last day ...
INTRODUCTION A rectum balloon implant (RBI) is a new device to spare rectal structures during prostate cancer radiotherapy. The theoretical advantages of a RBI are to reduce the high radiation dose to the anterior rectum wall, the possibility of a post-implant correction, and their predetermined shape with consequent predictable position. OBJECTIVE To describe, step-by-step, our mini-invasive...
BACKGROUND Recently, the use of hypo-fractionated treatment schemes for the prostate cancer has been encouraged due to the fact that alpha/beta ratio for prostate cancer should be low. However a major concern on the use of hypofractionation is the late rectal toxicity, it is important to be able to predict the risk of toxicity for alternative treatment schemes, with the best accuracy. The main ...
Background: In the treatment of prostate cancer, radiotherapy is the potential to increase second primary cancers such as bladder and rectal cancers. The reasons for this potential are more monitor units (MUs), therefore a larger total body dose because of leakage radiation, a bigger volume of normal tissue is exposed to lower radiation doses. This study was designed to compare the integral dos...
Background: To present the technique and dose distribution of intraoperative radiotherapy (IORT) for prostate cancer. Patients and Methods: Pelvic lymphadenectomy, prostate IORT and radical retropubic prostatectomy was performed in 11 prostate cancer patients. Prostate thickness and rectum depth were measured with intraoperative ultrasound. IORT was delivered by a mobile linear accelerator in t...
Background: The rectum is the lower part of colon. Its cancer third most common worldwide. Aim: To determine frequency and severity acute perineal skin reactions in rectal patients at completion preoperative pelvic radiotherapy. Study Design: Descriptive case series. Methodology: conducted Department Clinical Oncology, Shaukat Khanum Memorial Cancer Hospital Multan. Patients (n=96) were enrolle...
Introduction Robot-assisted radical cystectomy for bladder cancer that develops after curative treatment prostate has not yet been reported. Case presentation A 65-year-old man underwent prostatectomy and received salvage radiotherapy his postoperative prostate-specific antigen level failed to decrease. Nine years radiotherapy, local recurrence lung/bone metastases were observed, he was started...
In patients undergoing radiotherapy for localized prostate cancer, dose-volume histograms and clinical variables were examined to search for correlations between radiation treatment planning parameters and late rectal bleeding. We analyzed 129 patients with localized prostate cancer who were managed from 2002 to 2010 at our institution. They were treated with 3D conformal radiation therapy (3D-...
Background: Prostate cancer is the most common malignancy in men and the second leading cause of death in all countries of the world. The exact mechanism of prostate cancer is not known. On the other hand, early detection of prostate cancer can lead to a complete cure. Several clinical experiments including Digital Rectum Examination (DRE), biochemistry such as Prostate Specific Antigen (PSA), ...
PURPOSE To investigate added morbidity associated with the addition of pelvic elective nodal irradiation (ENI) to hypofractionated radiotherapy to the prostate. METHODS AND MATERIALS Two-hundred twelve patients, treated with hypofractionated radiotherapy to the prostate between 2004 and 2011, met the inclusion criteria for the analysis. All patients received 70 Gy to the prostate delivered ov...
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