Sökning: "treatment planning"
Visar resultat 1 - 5 av 313 avhandlingar innehållade orden treatment planning.
1. Radiation therapy of upper gastrointestinal cancers with scanned proton beams : A treatment planning study
Sammanfattning : Proton beam therapy (PBT), using scanned beams, is an emerging modality used for the treatment of cancer. The clinical advantages of PBT, compared to commonly used photon beam therapy, have been demonstrated in different studies. LÄS MER
Sammanfattning : .... LÄS MER
Sammanfattning : The dissertation includes four different studies which, from different points of departure, aim to illuminate problems and prospects of social work with alcohol problems in contemporary Sweden.Paper 1 analyses the historical succession of predominant public images of, and societal responses to, alcohol problems in Sweden during the past century. LÄS MER
4. Probabilistic treatment planning based on dose coverage : How to quantify and minimize the effects of geometric uncertainties in radiotherapy
Sammanfattning : Traditionally, uncertainties are handled by expanding the irradiated volume to ensure target dose coverage to a certain probability. The uncertainties arise from e.g. the uncertainty in positioning of the patient at every fraction, organ motion and in defining the region of interests on the acquired images. LÄS MER
5. Comparative treatment planning in external radiotherapy of malignant tumours : Potential gains using protons
Sammanfattning : It is well known that protons have physical characteristics superior to conventional radiation qualities in external beam radiotherapy. The primary aim of this work is to determine if the physical advantages also may lead to clinical advantages. LÄS MER