National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Model of dynamic contrast CT data for verification of registration algorithms
Kupková, Karolína ; Harabiš, Vratislav (referee) ; Walek, Petr (advisor)
This work is focused on the description of the dynamic contrast-enhanced CT examination and its contribution in the pneumooncology. It includes a program for creating a two-dimensional model of the scan from the thorax and for the perfuse examination simulation using the time-density curve. Real CT data are simulated more authentic using rigid geometric transformations and noise. The model will be used for the validation of registration algorithms that is used to suppress the spatial deformation generated by patient motions during the long time examination.
Modern radiotherapeutic treatment of lung tumors
ŽÁKOVÁ, Klára
In its theoretical part, the bachelor's thesis describes the anatomy of the respiratory system, the types of lung cancers, their symptoms, risk factors and possible treatment. It mainly focuses on lung radiotherapy itself and lung irradiation techniques with regard to the current technical possibilities of radiotherapy. The practical part is represented by the analysis of data from a questionnaire survey examining, in particular, the frequency of the presence of risk factors in patients with lung cancer treated at the RTO of the České Budějovice Hospital. The research part was treatment by questionnaire, the group of patients consisted of a total of 60 respondents. The obtained data were subsequently evaluated with MS Excel tools. In addition to the presence of smoking as the main risk factor, attention was also paid to other risk factors, e.g. occupational stress, general lifestyle or long-term residence in areas with increased radon content in the subsoil. The results confirmed that long-term tobacco smoking remains the most represented risk factor. The processing of answers from the questionnaire also ensures the assumption that a non-negligible risk is also a long-term stay in areas with an increased radon index. The bachelor's thesis can serve as a comprehensive study material for future radiology assistants as an overview of modern lung cancer radiation treatment. But it can also be used in professional articles in magazines, or be a source of information for those interested in this topic.
Model of dynamic contrast CT data for verification of registration algorithms
Kupková, Karolína ; Harabiš, Vratislav (referee) ; Walek, Petr (advisor)
This work is focused on the description of the dynamic contrast-enhanced CT examination and its contribution in the pneumooncology. It includes a program for creating a two-dimensional model of the scan from the thorax and for the perfuse examination simulation using the time-density curve. Real CT data are simulated more authentic using rigid geometric transformations and noise. The model will be used for the validation of registration algorithms that is used to suppress the spatial deformation generated by patient motions during the long time examination.

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