منابع مشابه
Independent assessment of source transit time for the BEBIG SagiNova® high dose rate brachytherapy afterloader
Introduction: The dwell time and transit time components contribute to the overall delivered dose to patients in high dose rate (HDR) brachytherapy treatments. The transit time results from source entry and exit as well as source movements between dwell positions. It depends on various parameters such as the source speed profile, source indexer distance to dwell position, and ...
متن کاملDose to professionals in epiescleral brachytherapy
Introduction and purposes. Ocular implant with radioactive sources of iodine 125 is a technical of brachyterapy. It allows keeping an eye vision with a low percentage of secondary effects, which depend on situation and size of tumour. It is applied for treatment of intraocular and malignant tumours as well as some non-malignant processes when another therapeutic alternatives fails or can not be...
متن کاملFractionated High-Dose-Rate Brachytherapy
Purpose: A growing body of data suggests that local control in nasopharyngeal cancer (NPC) is related to the radiation dose administered. We conducted a singleinstitution study of high-dose radiotherapy (RT), which incorporated high-dose-rate (HDR) brachytherapy (BT). These results were analyzed together with data obtained from controls who did not receive BT. Patients and Methods: The BT group...
متن کاملIntracoronary brachytherapy: time to sell short?
The introduction of innovative new devices and drugs has been a major influence in the dissemination of catheter-based coronary revascularization procedures into clinical practice. Systematic appraisals of effectiveness have typically come only after regulatory approval and widespread clinical acceptance. Consideration of the potential economic implications of these technologies, if performed a...
متن کاملHigh-Dose-Rate 192Ir Brachytherapy Dose Verification: A Phantom Study
BACKGROUND The high-dose-rate (HDR) brachytherapy might be an effective tool for palliation of dysphagia. Because of some concerns about adverse effects due to absorbed radiation dose, it is important to estimate absorbed dose in risky organs during this treatment. OBJECTIVES This study aimed to measure the absorbed dose in the parotid, thyroid, and submandibular gland, eye, trachea, spinal c...
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ژورنال
عنوان ژورنال: Nature Reviews Urology
سال: 2011
ISSN: 1759-4812,1759-4820
DOI: 10.1038/nrurol.2011.15