PMID: 9422556Jan 9, 1998Paper

Parotid gland tumors: a comparison of postoperative radiotherapy techniques using three dimensional (3D) dose distributions and dose-volume histograms (DVHS)

International Journal of Radiation Oncology, Biology, Physics
R YaparpalviJ J Beitler

Abstract

To compare different treatment techniques for unilateral treatment of parotid gland tumors. The CT-scans of a representative parotid patient were used. The field size was 9 x 11 cm, the separation was 15.5 cm, and the prescription depth was 4.5 cm. Using 3D dose distributions, tissue inhomogeneity corrections, scatter integration (for photons) and pencil beam (for electrons) algorithms and dose-volume histogram (DVH), nine treatment techniques were compared. [1] unilateral 6 MV photons [2] unilateral 12 MeV electrons [3] unilateral 16 MeV electrons [4] an ipsilateral wedge pair technique using 6 MV photons [5] a 3-field AP (wedged), PA (wedged) and lateral portal technique using 6 MV photons [6] a mixed beam technique using 6 MV photons and 12 MeV electrons (1:4 weighting) [7] a mixed beam technique using 6 MV photons and 16 MeV electrons (1:4 weighting) [8] a mixed beam technique using 18 MV photons and 20 MeV electrons (2:3 weighting) [9] a mixed beam technique using 18 MV photons and 20 MeV electrons (1:1 weighting). Using dose-volume histograms to evaluate the dose to the contralateral parotid gland, the percentage of contralateral parotid volume receiving > or = 30% of the prescribed dose was 100% for techniques [1], [8] a...Continue Reading

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Citations

Feb 23, 2010·Australasian Physical & Engineering Sciences in Medicine·R Prabhakar, G K Rath
Jul 6, 2001·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·C M NuttingS Webb
Feb 19, 2002·International Journal of Radiation Oncology, Biology, Physics·Christopher M BraggMartin H Robinson
Aug 17, 2002·International Journal of Radiation Oncology, Biology, Physics·Jonathan Beitler
Jul 3, 2010·Cancer radiothérapie : journal de la Société française de radiothérapie oncologique·A Berger, R-J Bensadoun
Jul 16, 2010·Head & Neck·Sarbani Ghosh-LaskarAnil D'Cruz
Apr 3, 2019·ORL; Journal for Oto-rhino-laryngology and Its Related Specialties·Joseph ZengaDaniel G Deschler

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