Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"Lung phantom"”.
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Commissioning An Anthropomorphic Spine and Lung Phantom For Remote Dose Verification of Institutions Participating In Rtog 0631
The RPC developed a new phantom to ensure comparable and consistent radiation administration in spinal radiosurgery clinical trials. This study assessed the phantom’s dosimetric and anatomic utility. The ‘spine phantom’ is a water filled thorax with anatomy encountered in spinal radiosurgery: …
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Evaluation of The Effectiveness of Anisotropic Analytical Algorithm In Flattened and Flattening-Filter-Free Beams For High Energy Lung Dose Delivery Using The Radiological Physics Center Lung Phantom
… theRadiologicalPhysicsCenteranthropomorphic lung phantom using both flattened and flattening-filter-free high energy beams. Radiation treatment plans were developed following the Radiation Therapy Oncology Group and theRadiologicalPhysicsCenterguidelines for lung treatment using Stereotactic …
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Quantifying The Magnitude of to tal Dose Deviation Caused By Various Sources of Error Among Iroc Phantom Irradiation Results
<p>The Imaging and Radiation Oncology Core (IROC) phantoms are used as an end-to-end test of an institution’s radiotherapy processes, and for clinical trial credentialing. Phantoms are treated like patients, and evaluation of the doses received by the thermoluminescent dosimeters (TLDs) inside the …
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Assessment of Uncertainty In Planning and Dose Delivery of Proton Therapy In An Iroc- Houston Qa Phantom Due to Variable Ct Technique and Proton Energy
… therapy treatment planning for the IROC-H proton phantom QA program due to variations in CT technique and proton energy. It was hypothesized that variations in CT technique and proton energy will alter the delivered dose distributions of typical proton treatments by reducing the percent of passing …
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Implementation of Upright Treatments For Lung and Head and Neck Cancers
… as better patient comfort and increased total lung volume with reduced lung motion. The purpose of this study was to investigate the feasibility of implementing upright treatments for lung and H&N cancers. Several clinical aspects were examined, including radiation shielding for various fixed …
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The Advantage of Digital Tomosynthesis for Pulmonary Nodule Detection concerning Influence of Nodule Location and Size: Phantom Study
… exam) were inserted into 8 different area of lung phantom classified as danger or non-danger zone. All 96 cases in which SPNs were inserted underwent examinations of 3 modalities at the same time. Additional 96 examinations were done to serve as a normal control using the same thoracic …
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Electromagnetic tracking and steering for catheter navigation
… The end application is virtual navigation of the lung for biopsy of early stage cancer nodules. Navigation to the peripheral regions of the lung is difficult due to physical dimensions of the bronchi and current methods have low successes rates for accurate diagnosis. Firstly, the potential use of …
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A Phantom Study for Attenuation Change and Detection of Calcification in Lung Nodules According to Variation of Examination Techniques in Low Dose CT
… To evaluate the attenuation change of hyperdense lung nodule and diagnostic performance of visual assessment according to various tube voltage and current setting in low-dose CT comparing with standard-dose CT. Material and Methods : A chest phantom containing artificial nodules was scanned with …