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Feasibility of contrast-enhanced cone-beam CT for target localization and treatment monitoring |
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| Authors: | Jan Rø dal,Å ste Sø vik,Hege Kippenes Skogmo,Eirik Malinen |
| Affiliation: | a Department of Medical Physics, The Norwegian Radium Hospital, Oslo University Hospital, Norway b Department of Physics, The Norwegian University of Science and Technology, Trondheim, Norway c Department of Radiation Biology, The Norwegian Radium Hospital, Oslo University Hospital, Norway d Department of Companion Animal Clinical Sciences, Norwegian School of Veterinary Science, Oslo, Norway e Interventional Centre, Oslo University Hospital, Norway |
| Abstract: | A dog with a spontaneous maxillary tumour was given 40 Gy of fractionated radiotherapy. At five out of 10 fractions cone-beam CT (CBCT) imaging before and after administration of an iodinated contrast agent were performed. Contrast enhancement maps were overlaid on the pre-contrast CBCT images. The tumour was clearly visualized in the images thus produced. |
| Keywords: | Cone-beam CT Contrast agent Image guided radiotherapy |
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