نتایج جستجو برای: system ct simulator radiotherapy pelvis cancer
تعداد نتایج: 3231764 فیلتر نتایج به سال:
OBJECTIVES To assess the tolerability and survival outcome of curative radiotherapy in patients over the age of 85 years. DESIGN, SETTING, AND PARTICIPANTS Retrospective analysis of all patients aged over 85 years who received radiotherapy as part of curative treatment for any cancer (excluding insignificant skin cancers) at the Peter MacCallum Cancer Centre between 1 January 2000 and 1 Janua...
Objective(s): We performed a phase IIa clinical trial of trans-1-amino-3-18Ffluoro-cyclobutane carboxylic acid (anti-18F-FACBC), a synthetic amino acid analog for PET, in patients with metastatic prostate cancer. Methods: The study subjects consisted of 10 untreated prostate cancer patients having lymph node and/or bone metastasis. Five patients underwent whole-body PET 5 and 30 min after intra...
Radiation is a treatment of many gynecologic malignancies, especially locally-advanced cervical cancer. Development of second malignancies is a rare complication of radiotherapy. Our patient had uterine carsinosarcoma20 years after radiotherapy for cervical cancer. Two theories of radiationinduced malignancies were described: direct damage of double strand DNA and the abscopal or indirect damag...
Y our patient presents with a history of ovarian carcinoma, 2 years post pelvic exenteration, chemotherapy, and pelvic radiation therapy. She has a colostomy and an ileal conduit. She now is experiencing extremely high output from her colostomy, symptoms of dehydration, frequent leakage and skin irritation, and a short wear time of 24 to 48 hours for her colostomy pouching system. After her phy...
This study was designed to estimate radiation-induced secondary cancer risks from high-dose-rate (HDR) brachytherapy and external radiotherapy for patients with cervical cancer based on measurements of doses absorbed by various organs. Organ doses from HDR brachytherapy and external radiotherapy were measured using glass rod dosimeters. Doses to out-of-field organs were measured at various loca...
Abstract Aims The aim of the study is to debate if primary surgical treatment (abdominoperineal (AP) resection remains safe and effective in low resource settings especially when considering cost, availability, protracted complications radiotherapy+/- chemotherapy. Methods An electronic literature search were performed identify original published studies on anal carcinoma management. Results on...
Background: We evaluated the feasibility and accuracy of 11C–choline PET-CT/TRUS fusion-guided prostate biopsy in men with persistently elevated PSA and negative mpMRI or contraindication to MRI, after previous negative biopsy. Clinical data were part of a prospective on-going observational clinical study: “Diagnostic accuracy of target mpMRI/US fusion biopsy in patients with suspected prostate...
There is a growing interest in the use of megavoltage cone-beam computed tomography (MV CBCT) data for radiotherapy treatment planning. To calculate accurate dose distributions, knowledge of the electron density (ED) of the tissues being irradiated is required. In the case of MV CBCT, it is necessary to determine a calibration-relating CT number to ED, utilizing the photon beam produced for MV ...
background: acute radiation dermatitis is a very common side effect of radiation therapy in large numbers of cancers including breast cancer. despite high prevalence rate of acute radiation dermatitis and also wet desquamation, a few trials on prophylaxis of this complication using topical treatment have been conducted. despite effectiveness of topical corticosteroids in treatment of acute radi...
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