文档介绍：Radiotherapy and Oncology 92 (2009) 118–124
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Radiotherapy and Oncology
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Anal cancer IMRT
Volumetric-modulated arc radiotherapy for carcinomas of the anal canal:
A treatment parison with fixed field IMRT
Alessandro Clivio a, Antonella Fogliata a, Alessandra Franzetti-Pellanda b, ia Nicolini a,
Eugenio ti a, Rolf Wyttenbach c,d, Luca Cozzi a,*
a Medical Physics, Oncology Institute of Southern Switzerland, Bellinzona, Switzerland
b Radiation Oncology Department, Oncology Institute of Southern Switzerland, Bellinzona, Switzerland
c Ospedale San Giovanni, Radiology, Bellinzona, Switzerland
d University of Bern, Bern, Switzerland
article info abstract
Article history: Purpose: A treatment planning study was performed pare volumetric-modulated arc radiotherapy
Received 2 September 2008 against conventional fixed field IMRT.
Received in revised form 23 December 2008 Materials and methods: CT datasets of 10 patients affected by carcinoma of the anal canal were included
Accepted 26 December 2008
and five plans were generated for each case: fixed beam IMRT, single (RA1)- and double (RA2)-modulated
Available online 30 January 2009
arcs with the RapidArc technique. Dose prescription was set according to a simultaneous integrated boost
strategy to Gy to the primary tumour PTVI (at Gy/fraction) and to 49.