نتایج جستجو برای: system ct simulator radiotherapy pelvis cancer
تعداد نتایج: 3231764 فیلتر نتایج به سال:
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Background Lung cancer is the most common cancer in the world. Staging of lung cancer involves CT of chest and abdomen. Subsequently these are discussed in MDT and if required PET imaging is arranged. We have performed a study to assess double reporting of the initial staging CT would identify in field metastasis and hence decrease the use of PET. Methods A refined search from the lung cancer...
INTRODUCTION Radiation treatment has been associated with radiation induced cardiotoxicity, especially with older, long-outdated, techniques. Such complications include pericarditis, myocardial fibrosis, valvular injury, ischemic heart disease, and myocardial infarction. AIM To assess the effect of outdated breast radiation therapy (RT) - using a diagnostic CT scanner in the absence of a CT s...
OBJECTIVE: To evaluate the necessity of weekly monitoring by means of leukocyte and platelet counts of patients with head and neck, chest, and pelvis cancer submitted to conventional radiotherapy. MATERIALS AND METHODS: A hundred and one adult patients with cancer of head and neck (n = 11), chest (n = 35) and pelvis (n = 55), submitted to radiotherapy were assessed by means of leukocyte and pla...
Radiomics, the method by which digital images could be transformed into mineable data, opens new horizons for biomedical research and in particular oncology, diagnostic, predictive prognostic purposes. The use of artificial intelligence (AI) algorithms radiomics algorithm makes AI two inseparable, intricate domains. defined as machine capability imitating human intelligence, has already been im...
There are very few cases of radiation-induced femoral head necrosis described in the literature, therefore, this case will add new knowledge and highlights important aspects in the diagnosis and management of this uncommon condition. Our patient was 74 years old and presented with left hip and groin pain for 8 months, with no previous history of trauma or osteoarthritis. However, he had been tr...
PURPOSE To evaluate the outcomes of adjuvant radiotherapy (RT) and to analyze prognostic factors of survival in the International Federation of Gynecology and Obstetrics (FIGO) IB-IIA uterine cervical cancer. MATERIALS AND METHODS We retrospectively reviewed the medical records of 148 patients with FIGO IB-IIA uterine cervical cancer who underwent surgery followed by adjuvant RT at the Yonsei...
Background: Our aim was to analyze the effects of set-up errors on dose distribution in radiotherapy treatment for lung cancer by using kilovoltage cone-beam CT (CBCT). Materials and Methods: In this study, we used a Varian IX linear accelerator system perform CBCT scans 30 patients before radiotherapy. Subsequently, image matched with planned CT, left right (LR), top bottom (SI), front back (A...
To cite: Saba R, Kwatra SG, Mohammedabdul M, et al. BMJ Case Reports Published online: [please include Day Month Year] doi:10.1136/ bcr-2012-007787 DESCRIPTION A 21-year-old woman was admitted to the hospital because of sudden onset of severe abdominal pain, nausea and vomiting. The patient also experienced decreased appetite and non-intentional weight loss of approximately 45.3 kg during the p...
We describe a patient with newly diagnosed limy cancer. Staging was performed with CT and mediastinoscopy. FDG PET scan was performed and confirmed increased metabolic activity in the primary tumor as well as the hilar lymph node. Seven months after initial presentation, the patient was found to have two lytic lesions in the pelvis on plain radiograph. Hone scan was negative but PET demon...
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