Accuracy of geometrical modelling of heat transfer from tissue to blood vessels
G M J Van Leeuwen; A N T J Kotte; J De Bree; J F Van der Koijk; J Crezee; J J W Lagendijk; G M J Van Leeuwen; Department of Radiotherapy, University Hospital Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands; A N T J Kotte; Department of Radiotherapy, University Hospital Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands; J De Bree; Department of Radiotherapy, University Hospital Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands; J F Van der Koijk; Department of Radiotherapy, University Hospital Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands; J Crezee; Department of Radiotherapy, University Hospital Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands; J J W Lagendijk; Department of Radiotherapy, University Hospital Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
Журнал:
Physics in Medicine and Biology
Дата:
1997-07-01
Аннотация:
We have developed a thermal model in which blood vessels are described as geometrical objects, 3D curves with associated diameters. Here the behaviour of the model is examined for low resolutions compared with the vessel diameter and for strongly curved vessels. The tests include a single straight vessel and vessels describing the path of a helix embedded in square tissue blocks. The tests show the excellent behaviour of our discrete vessel implementation.
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