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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
Search results
Showing 131 to 140 of 1395 (0.178 seconds)Spelling suggestions: "subject:"radiology"" "subject:"adiology""
| 131 |
The evaluation of SPECTMR registration error from the internal landmark matching techniqueLukban, Andrew F. January 1994 (has links)
No description available.
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| 132 |
Performance evaluation of a picture archiving and communications systemRioux, Alexandre January 2001 (has links)
No description available.
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| 133 |
Comparison of three linac-based stereotactic radiosurgery techniquesOliveira, Silvana C. January 2003 (has links)
No description available.
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| 134 |
Development and implementation of quality-assurance standards for external beam intensity modulated radiation therapyHack, Joshua January 2009 (has links)
No description available.
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| 135 |
Dosimetric Evaluation and Verification of Respiratory Motion Management System in Radiation OncologyLiu, Chenguang CL January 2017 (has links)
No description available.
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| 136 |
A comparative study of radioresistance and DNA repair processes in cultured insect and mammalian cells followings uv and x irradiations /Koval, Thomas Michael January 1976 (has links)
No description available.
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| 137 |
Spatially Selective 2D RF Inner Field of View (iFOV) Diffusion Kurtosis Imaging (DKI) of the Pediatric Spinal CordConklin, Chris J. January 2015 (has links)
Magnetic resonance based diffusion imaging has been gaining more utility and clinical relevance over the past decade. Using conventional echo planar techniques it is possible to acquire and characterize water diffusion within the central nervous system (CNS); namely in the form of Diffusion Weighted Imaging (DWI) and Diffusion Tensor Imaging (DTI). While each modality provides valuable clinical information in terms of the presence of diffusion, DWI, and its directionality, DTI, the techniques used for analysis are limited to assuming an ideal Gaussian distribution for water displacement with no intermolecular interactions. This assumption reduces the amount of relevant information that can be interpreted in a clinical setting. By measuring the excess kurtosis, or peakedness, of the Gaussian distribution it is possible to get a better understanding of the underlying cellular structure. The objective of this work is to provide mathematical and experimental evidence that Diffusion Kurtosis Imaging (DKI) can provide additional information about the micromolecular environment of the pediatric spinal cord by more completely characterizing the probabilistic nature of random water displacement. A novel DKI imaging sequence based on a 2D spatially selective radio frequency pulse providing reduced FOV imaging with view angle tilting (VAT) was implemented, optimized on a 3Tesla MRI scanner, and tested on pediatric subjects (normal:15; patients with spinal cord injury:5). Software was developed and validated in-house for post processing of the DKI images and estimation of the tensor parameters. The results show statistically significant differences in kurtosis parameters (mean kurtosis, axial kurtosis) between normal and patients. DKI provides incremental and new information over conventional diffusion acquisitions that can be integrated into clinical protocols when coupled with higher order estimation algorithms. / Electrical and Computer Engineering
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| 138 |
Interseed and tissue-composition effects in permanent low dose rate brachytherapyBertrand, Marie-Joëlle January 2008 (has links)
No description available.
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| 139 |
A dosimetric analysis of the varian enhanced dynamic wedge for symmetric and asymmetric configurationsBenson, Richard January 2008 (has links)
No description available.
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| 140 |
Dose distribution studies of rectal cancer patients treated with brachytherapyYan, Xiangsheng January 2008 (has links)
No description available.
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