نتایج جستجو برای: intravascular brachytherapy
تعداد نتایج: 24513 فیلتر نتایج به سال:
Cobalt-60 (Co-60) is a relatively new source for the application of high-dose rate (HDR) brachytherapy. Radiation dose to the rectum is often a limiting factor in achieving the full prescribed dose to the target during brachytherapy of cervical cancer. The aim of this study was to measure radiation doses to the rectum in-vivo during HDR Co-60 brachytherapy. A total of eleven HDR brachytherapy t...
Optimal treatment for patients with only local prostate cancer recurrence after external beam radiation therapy (EBRT) failure remains unclear. Possible curative treatments are radical prostatectomy, cryosurgery, and brachytherapy. Several single institution series proved that high-dose-rate brachytherapy (HDRBT) and pulsed-dose-rate brachytherapy (PDRBT) are reasonable options for this group o...
Planned in-situ radiosensitization may improve the therapeutic ratio of image guided I prostate brachytherapy. Spacers used in permanent implants may be manufactured from a radiosensitizer-releasing polymer to deliver protracted localized sensitization of the prostate. Such devices will have a limited drug-loading capacity, and the drug release schedule that optimizes outcome, under such a cons...
BACKGROUND Although radical prostatectomy for localized disease is considered as a standard of care, external-beam radiotherapy and brachytherapy are equally effective. We report on the technique and preliminary results of high-dose-rate (HDR) brachytherapy using a temporary iridium-192 implant technique. METHODS The authors reviewed the literature on the techniques, treatment protocols, and ...
The aim of this article is to describe the history of brachytherapy in Poznań from the beginning of 20th century. Among the most important medical and oncological institutions that were created in Poznań at the beginning of twentieth century were: Surgical Clinic of Poznań University (City Hospital, Poznań), Transfiguration of the Lord Hospital (Poznań) and Radiology Faculty of Poznań Universit...
External beam radiotherapy (EBRT) is a standard treatment for prostate cancer. Despite the development of novel radiotherapy techniques such as intensity-modulated conformal radiotherapy, the risk of local recurrence after EBRT has not been obviated. Various local treatment options (including salvage prostatectomy, brachytherapy, cryotherapy, and high-intensity focused ultrasound [HIFU]) have b...
Brachytherapy is a modality of treatment available for lung cancer with tracheal involvement. Correct positioning of the brachytherapy catheter is vital to the optimisation of treatment effect and reduction of complications. Normal airway anatomy and tumour location can make this positioning difficult. The current study presents the case of a 65-yr-old male with invasive tracheal squamous cell ...
PURPOSE To report the treatment effect of image-guided high-dose-rate (HDR) interstitial brachytherapy for refractory recurrence of papillary thyroid cancer (PTC). CASE REPORT This 66-year-old female presented with recurrence 5 years after thyroidectomy for PTC. Despite external irradiation and radioactive (131)I, the lesion expanded as 3.7 × 3.0 × 2.3 cm(3) and 2.0 × 1.5 × 1.5 cm(3). The loc...
Background. Combined radiation therapy is the «gold standard» for treatment of stages IIB-IVA cervical cancer (cervical cancer). Given data statistical indicators cancer, study new approaches to and implementation in clinical practice modern technologies widespread an extremely important area.
 Purpose – evaluate benefits using CT topometric preparation planning brachytherapy cancer.
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