Dosimetric study between Helical Tomotherapy, RapidArc and fixed field Intensity Modulated Radiation Therapy for pancreatic cancer cases |
||||
|
|
||||
|
||||
BibTeX: |
||||
|
@article{IJIRSTV2I12033, |
||||
Abstract: |
||||
|
Objective: The aim of this present study was to investigate the potential clinical role of a novel treatment technique Rapid-Arc, Helical Tomotherapy (HT) and Conventional IMRT for post-operated pancreatic cancer. Material and Method: Five patients with post operated pancreatic cancer were selected for the dosimetric study. A convenient prescription (2Gy/fraction) was considered: 45 Gy for PTV and 55 Gy for SIBV according to RTOG protocol. For each patient three optimized plans were generated. Constraints to maximum and minimum dose to the PTV were also applied during dose optimization. Results: No statistical significance was observed between RA and HT independently from the MLC resolution meaning that for such small targets, although the resolution matters, the modulation capability of the optimization process is dominant. Concerning organs at risk, all techniques achieved largely the planning objectives described in the methods and proved to have the same degree of inter-patient variability. |
||||
Keywords: |
||||
|
Rapid Arc, Helical Tomotherapy, Intensity modulated radiotherapy |
||||



