Sökning: "Radiation therapy"
Visar resultat 11 - 15 av 162 uppsatser innehållade orden Radiation therapy.
11. Improving proton therapy planning with photon-counting spectral computed tomography
Master-uppsats, KTH/FysikSammanfattning : Proton radiation therapy is an alternative to conventional photon radiation therapy, which accounts for the majority of radiation treatments today. The rationale for using protons in radiation therapy lies in their dose deposition properties; photons deposit a radiation dose inversely proportional to the energy, and therefore tissue depth, while protons exhibit a sharp Bragg peak when traversing matter. LÄS MER
12. Increasing the Efficiency of CyberKnife Cancer Treatments by Faster Robot Traversal Paths
Kandidat-uppsats, KTH/Matematisk statistikSammanfattning : Cancer remains a significant global challenge, constituting one of the leading causes of death worldwide. With an aging population, the demand for cancer treatments is increasing. Nevertheless, due to technological advancements, cancer mortality rates are declining. LÄS MER
13. Self-supervised pre-training of an attention-based model for 3D medical image segmentation
Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)Sammanfattning : Accurate segmentation of anatomical structures is crucial for radiation therapy in cancer treatment. Deep learning methods have been demonstrated effective for segmentation of 3D medical images, establishing the current standard. However, they require large amounts of labelled data and suffer from reduced performance on domain shift. LÄS MER
14. 3d-utskrivet fantom för kontroll av linjär-acceleratorer
Uppsats för yrkesexamina på grundnivå, Umeå universitet/Institutionen för tillämpad fysik och elektronik; Umeå universitet/Centrum för medicinsk teknik och fysik (CMTF)Sammanfattning : Cancer är en sjukdom som var tredje person får som diagnos under en livstid. Stor del av dessa cancerpatienter får behandling med hjälp av strålbehandling. Där strålbehandlingen kan ske med en linjäraccelerator. Linjäracceleratorn producerar elektron eller fotonstrålning i Mega Volt energiområde. LÄS MER
15. Visualizing osteonecrosis of jaws through neutrophil elastase : [11C]NES novel PET tracer
Uppsats för yrkesexamina på grundnivå, Uppsala universitet/Institutionen för läkemedelskemiSammanfattning : Radiation and medical drugs are used to fight head and neck cancer, but unfortunately in some cases these treatments cause development of other diseases and injuries. Osteoradionecrosis (ORN) and medical-related osteonecrosis of the jaw (MRONJ) are dreaded late complications in jaws from radiation therapy and medical drugs and cause great suffering to those affected. LÄS MER