نتایج جستجو برای: prostate radiotherapy
تعداد نتایج: 157351 فیلتر نتایج به سال:
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...
PURPOSE When faced with biochemical recurrence after definitive radiotherapy for prostate cancer, clinicians must determine whether the recurrence is local or systemic. Post radiotherapy prostate biopsies to detect persistent local disease are difficult to interpret histopathologically and are subject to sampling error. Our study examines outcomes for patients with a negative prostate biopsy pe...
CONTEXT To date, there is no Level 1 evidence comparing the efficacy of radical prostatectomy and radiotherapy for patients with clinically-localized prostate cancer. OBJECTIVE To conduct a meta-analysis assessing the overall and prostate cancer-specific mortality among patients treated with radical prostatectomy or radiotherapy for clinically-localized prostate cancer. EVIDENCE ACQUISITION...
Node-positive prostate cancer represents 12% of newly diagnosed prostate cancer cases in the United States; with decreasing use of screening, this proportion is likely to increase. However, very few clinical trials have specifically compared treatment options for this group of patients. Radiotherapy has a potential role as both definitive therapy and adjuvant therapy for node-positive prostate ...
PURPOSE Androgen deprivation therapy is often used as salvage treatment in men with rising prostate specific antigen after initial radical prostatectomy or radiotherapy for clinically localized prostate cancer. Given the lack of evidence from general practice, we examined the association of salvage androgen deprivation therapy with mortality in an observational cohort study. MATERIALS AND MET...
Background: For the purpose of individual clinical target volume assessment in radiotherapy of prostate cancer, MRSI was used as a molecular imaging modality with MRI and CT images. Materials and Methods: The images of 20 prostate cancer patients were used in this study. The MR and MRSI images were registered with CT ones using non-rigid registration technique. The CT based planning (BP), CT/MR...
Background: In prostate radiotherapy, changes in the volume of the bladder and rectum can influence dose delivery. In this study, cone-beam computerised tomography (CBCT) imaging was used to assess volumetric, and corresponding radiation dosimetric changes, for the bladder and rectum in patients with prostate cancer treated using VMAT. Materials and Methods: Treatment planning computed tomograp...
BACKGROUND In recent years, the delayed side effects associated with radiotherapy for prostate cancer have drawn the interest of urologists. Although urosymphyseal fistula is one of these delayed side effects, this serious complication is rarely described in literature and is poorly recognized. CASE PRESENTATION We report our experience in treating a 77-year-old male patient with necrotizing ...
There have been significant improvements in the radiotherapeutic management of patients with high risk prostate cancer. Randomized trials have clearly demonstrated improved outcomes with the combination of radiotherapy in conjunction with androgen deprivation. While these trials have utilized low doses of radiotherapy in the range of 70 Gy, recent studies have suggested that significant benefit...
Background and Aim: Increased mortality rate�due to prostate cancer shows the growth of this disease.Prostate cancer is the second most widespread malignancy after lung cancer in men.It is important to use new methods in the radiation therapy of prostate cancer that are associated with lower exposure of the normal tissues. Nowadays, in most of the radiotherapy centers in our country, the Co-60 ...
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