Controlling heterogeneity within the lymphatic target volume for dose painted treatment of prostate cancer
Introduction: For patients with high risk prostate cancer, conventionally fractionated treatment of the pelvic lymphatics and hypofractionated treatment to the prostate can be delivered simultaneously with dose painting. The purpose of this technical note is to highlight unexpected hot spots within...
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| Veröffentlicht in: | Medical dosimetry : official journal of the American Association of Medical Dosimetrists 2020-01, Vol.45 (3), p.202-205 |
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| container_title | Medical dosimetry : official journal of the American Association of Medical Dosimetrists |
| container_volume | 45 |
| creator | McDonald, Andrew M. Kirkland, Robert S. Maas, Jared A. Dalton, Allison P. |
| description | Introduction: For patients with high risk prostate cancer, conventionally fractionated treatment of the pelvic lymphatics and hypofractionated treatment to the prostate can be delivered simultaneously with dose painting. The purpose of this technical note is to highlight unexpected hot spots within the low dose lymphatic target volume as a clinical problem that we have observed with dose painting, and to describe a simple approach to account for this during treatment planning.
Summary: We describe the creation of a control structure that can be incorporated into the optimization objective function. An upper constraint objective can be placed on the control structure such that heterogeneity within the plan is limited to the area near the high dose target volume and better emulates the dosimetry of a conventionally fractionated sequential boost plan. |
| doi_str_mv | 10.1016/j.meddos.2019.11.004 |
| format | Article |
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| ispartof | Medical dosimetry : official journal of the American Association of Medical Dosimetrists, 2020-01, Vol.45 (3), p.202-205 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Dose painting Hypofractionation Prostate cancer Simultaneous integrated boost |
| title | Controlling heterogeneity within the lymphatic target volume for dose painted treatment of prostate cancer |
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