文档介绍：Radiotherapy and Oncology 93 (2009) 593–596
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Radiotherapy and Oncology
journal homepage:
Brain tumor radiotherapy
Radiotherapy of malignant gliomas: Comparison of volumetric single arc
technique (RapidArc), dynamic intensity-modulated technique and 3D conformal
technique
Daniela Wagner *, Hans Christiansen, Hendrik Wolff, Hilke Vorwerk
Radiotherapy and Radiooncology, University Hospital Goettingen, Germany
article info abstract
Article history: Purpose: The analysis was designed to identify the optimal radiation technique for patients with malig-
Received 18 March 2009 nant glioma.
Received in revised form 26 September Methods: A volumetric-modulated radiation treatment technique (RapidArc), an IMRT technique and a
2009
3D conformal technique were calculated puted tomograms of 14 consecutive patients with malig-
Accepted 3 October 2009
nant glioma. The treatment plans pared with each other using dose–volume histograms.
Available online 10 November 2009
Results: The 3D conformal technique showed a good PTV coverage, if PTV was distant ans at risk
(OAR). If PTV was nearby OAR, the 3D technique revealed a poor PTV coverage in contrast to both inten-
Keywords:
sity-modulated techniques. The conventional IMRT technique showed a slightly better PTV coverage than
IMRT
RapidArc RapidArc. The advantages of RapidAr