OC-0445: Evaluation of soft tissue changes using ConeBeam CT scans during treatment of esophageal cancer
نویسندگان
چکیده
منابع مشابه
Automated Segmentation of Soft tissue in Abdominal CT scans
Patient-specific 3D models are necessary for many medical procedures. However, current techniques require manual segmentation of organs from CT or MRI images. Such a method is tedious, resulting in segmentation being done only on selected slices. Estimation of 3D volumes from this data will result in coarse models. This will affect the accuracy of any treatment or diagnosis that uses such model...
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شناسایی مخاطرات در واحد 400 پالایشگاه گاز پارسیان. در این پروزه با بکارگیری از تکنیک hazop به شناسا یی مخاطرات ، انحرافات ممکن و در صورت لزوم ارایه راهکارهای مناسب جهت افزایش ایمنی فرا یند پرداخته میگردد. شرایط عملیاتی مخاطره آمیز نظیر فشار و دمای بالا و وجود ترکیبات مختلف سمی و قابل انفجار در واحدهای پالایش گاز، ضرورت توجه به موارد ایمنی در این چنین واحدهایی را مشخص می سازد. مطالعه hazop یک ر...
Evaluation of changes in excision cavity volume during whole breast irradiation using secondary CT image
Background: The aim of this study was to evaluate the reduction in excision cavity volume (ECV) during the whole breast radiotherapy (WBRT). The delineating of reduced cavity volume on secondary CT (computed tomography) might decrease the field size of boost plan. Materials and Methods: Twenty patients were treated having breast conservative surgery. At first, primary CT simulation (CT-1) was d...
متن کاملVolume changes in soft tissue sarcomas during preoperative radiotherapy of extremities evaluated using cone-beam CT
OBJECTIVE The objective of this study is to quantify volume changes in the gross target volume (GTV) during preoperative radiotherapy for extremity soft tissue sarcomas (ESTS). METHODS Twenty-seven patients with ESTS, treated with preoperative radiotherapy, were included in this study. Weekly cone-beam CT scans acquired for setup correction were used for GTV delineation in order to quantify v...
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ژورنال
عنوان ژورنال: Radiotherapy and Oncology
سال: 2013
ISSN: 0167-8140
DOI: 10.1016/s0167-8140(15)32751-1