PMID: 9652833Jul 4, 1998Paper

Radiotherapy of bladder cancer: relevance of bladder volume changes in planning boost treatment

International Journal of Radiation Oncology, Biology, Physics
R MiralbellD Schneider

Abstract

This study aims to evaluate tumor motion with controlled changes of the bladder volume, and to assess the reproducibility of bladder (and tumor) position using a urinary catheter balloon as an immobilization device. First, three patients with tumor growths in three different bladder regions (trigone, left lateral wall, anterior wall) were evaluated. Three-dimensional CT-based reconstructed images were used to measure the displacement of the tumors when 100 cc were removed from a bladder originally filled with 170 cc of contrast. The 3D calculated boost beam arrangements and field sizes for the three tumors in the partially emptied bladders were used to simulate treatment of the same tumors in the maximally filled bladders. Dose-volume histograms were obtained. Second, verification of an ellipsoid model for bladder volume changes was undertaken in 41 patients. Third, in eight additional patients a urinary catheter balloon filled with 80-cc sterile saline solution was used in an attempt to reproduce the shape and spatial coordinates of the bladder during the boost treatment. A pair of orthogonal films with the 80-cc balloon filled with contrast material were taken at simulation and repeated twice at weekly intervals during radiot...Continue Reading

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Citations

Jul 30, 2003·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·Floris J PosDionisio González González
Apr 24, 2001·International Journal of Radiation Oncology, Biology, Physics·K M Langen, D T Jones
Feb 8, 2003·International Journal of Radiation Oncology, Biology, Physics·Floris J PosDionisio González González
Mar 26, 2003·International Journal of Radiation Oncology, Biology, Physics·Gert J MeijerJoos V Lebesque
Feb 16, 2010·Computer Methods in Biomechanics and Biomedical Engineering·J KrywonosX J Ren
Oct 1, 2005·Medical Physics·Heidi T LotzPeter Remeijer
May 18, 2010·International Journal of Radiation Oncology, Biology, Physics·Susan LalondrelleVincent Khoo
May 27, 2009·International Journal of Radiation Oncology, Biology, Physics·Wojciech MajewskiLeszek Miszczyk
Jan 22, 2008·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·Miho WatanabeHisao Ito
Oct 13, 2007·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·Stephen A MangarVincent S Khoo
Aug 19, 2007·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·Ludvig Paul MurenDuncan McLaren
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May 29, 2009·International Journal of Radiation Oncology, Biology, Physics·Catherine A McBainPatricia M Price
Aug 28, 2014·International Journal of Radiation Oncology, Biology, Physics·Emine CanyilmazAdnan Yoney
Jul 21, 2004·Medical Physics·Heidi T LotzLuc M Moonen
May 19, 2010·Physics in Medicine and Biology·Bongile MzendaDavid J Brown
Mar 16, 2021·Frontiers in Oncology·Adham HijabShaista Hafeez
Mar 27, 2021·Clinical Oncology : a Journal of the Royal College of Radiologists·S HafeezUNKNOWN RAIDER Trial Management Group
May 12, 2021·Clinical Oncology : a Journal of the Royal College of Radiologists·V KongS Hafeez

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