Investigations on intensity modulated treatment techniques in conformal radiotherapy:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | German |
| Veröffentlicht: |
1997
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 93 S. graph. Darst. |
Internformat
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Datensatz im Suchindex
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| adam_text |
1 INTRODUCTION_ 3
1.1 GENERATION OF INTENSITY-MODULATED BEAMS.4
1.2 PURPOSE OF THIS WORK. 6
2 MATERIAL AND METHODS.9
2.1 INVERSE TREATMENT PLANNING.9
2.2 LINEAR ACCELERATORS IN RADIOTHERAPY. 13
2.3 THE MULTILEAF COLLIMATOR. 15
2.4 DYNAMIC MULTILEAF-MODULATION. 18
2
.
4.1
BASIC EQUATIONS
.]8
2
.
4.2
TRANSMISSION AND LEAFEND-DESIGN
. 19
2
.
4.3
"TONGUE AND GROOVE" - UNDERDOSAGE
.25
2
.
4.4
COLLISION AVOIDANCE
. .32
2
.
4.5
HEAD SCATTER AND FINITE SOURCE SIZE
.35
2.5
STATIC MULTILEAF MODULATION.42
2
.
5.1
THE BORTFELD/BOYER-TECHNIQUE
. 42
2
.
5.2
DISCRETIZATION OF CONTINUOUS TRAJECTORIES
. 44
3 RESULTS.47
3.1 QUALITY OF TREATMENT PLANS FOR INTENSITY-MODULATED TREATMENTS./.47
3.2 CONSIDERATIONS ON TREATMENT TIMES FOR INTENSITY-MODULATED
TREATMENTS.51
3.3 DOSE DELIVERY BY DYNAMIC MULTILEAF MODULATION.54
3
.
3.1
EFFECT OF BASE TRANSMISSION AND ROUNDED LEAF END DESIGN
.54
3
.
3.2
EFFECT OF HEAD SCATTER AND FINITE SOURCE SIZE
.57
3
.
3.3
LEAF POSITIONING ACCURACY
.63
3
.
3.4
AVOIDANCE OF TONGUE AND GROOVE UNDERDOSAGE AND COLLISIONS
.65
3.4 DOSE DELIVERY BY STATIC MULTILEAF MODULATION.71
4 DISCUSSION AND CONCLUSIONS.73
4.1 WHICH IS THE OPTIMUM INTENSITY-MODULATED TREATMENT TECHNIQUE?.73
4.2 DOSE DELIVERY BY MULTILEAF MODULATION.74
4.3 DESIGN REQUIREMENTS.76
5 SUMMARY.79
6 APPENDIX_ 81
6.1 INTENSITY-MODULATED ARC THERAPY.81
6.2 FAN BEAM TECHNIQUES.84
6.3 DERIVATION OF THE CONDITIONS FOR PARTIAL SYNCHRONIZATION.86
7 REFERENCES.89
1
BIBLIOGRAFISCHE INFORMATIONEN
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| indexdate | 2024-10-09T16:08:09Z |
| institution | BVB |
| language | German |
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| physical | 93 S. graph. Darst. |
| publishDate | 1997 |
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| spelling | Stein, Jörg 1948- Verfasser (DE-588)111380952 aut Investigations on intensity modulated treatment techniques in conformal radiotherapy [vorgelegt von Jörg Stein] 1997 93 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Heidelberg, Univ., Diss., 1997 Strahlungsintensität (DE-588)4183540-2 gnd rswk-swf Strahlentherapie (DE-588)4057833-1 gnd rswk-swf Regelung (DE-588)4048971-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Strahlentherapie (DE-588)4057833-1 s Strahlungsintensität (DE-588)4183540-2 s Regelung (DE-588)4048971-1 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007787976&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Stein, Jörg 1948- Investigations on intensity modulated treatment techniques in conformal radiotherapy Strahlungsintensität (DE-588)4183540-2 gnd Strahlentherapie (DE-588)4057833-1 gnd Regelung (DE-588)4048971-1 gnd |
| subject_GND | (DE-588)4183540-2 (DE-588)4057833-1 (DE-588)4048971-1 (DE-588)4113937-9 |
| title | Investigations on intensity modulated treatment techniques in conformal radiotherapy |
| title_auth | Investigations on intensity modulated treatment techniques in conformal radiotherapy |
| title_exact_search | Investigations on intensity modulated treatment techniques in conformal radiotherapy |
| title_full | Investigations on intensity modulated treatment techniques in conformal radiotherapy [vorgelegt von Jörg Stein] |
| title_fullStr | Investigations on intensity modulated treatment techniques in conformal radiotherapy [vorgelegt von Jörg Stein] |
| title_full_unstemmed | Investigations on intensity modulated treatment techniques in conformal radiotherapy [vorgelegt von Jörg Stein] |
| title_short | Investigations on intensity modulated treatment techniques in conformal radiotherapy |
| title_sort | investigations on intensity modulated treatment techniques in conformal radiotherapy |
| topic | Strahlungsintensität (DE-588)4183540-2 gnd Strahlentherapie (DE-588)4057833-1 gnd Regelung (DE-588)4048971-1 gnd |
| topic_facet | Strahlungsintensität Strahlentherapie Regelung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007787976&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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