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Bladder and rectal toxicity of BeamCath application in radiotherapy of prostate cancer
1Department of Oncology, Section of Radiotherapy, University Hospital of North Norway, Tromsø, Norway. solveig.hanssen@unn.no
Background:
Patient-reported toxicity in two radiotherapy regimens for early stage prostate cancer was investigated. In 2003, the Swedish BeamCath technique was adapted for Northern Norway.
Materials And Methods:
Ninety men underwent radiotherapy for early-stage prostate cancer in February 2002 to March 2005. They were invited to participate in a telephone interview employing a questionnaire guide focusing on bladder, intestinal and sexual function.
Results:
Eighty patients responded, which represents 89% of all patients. The treatment group (23 patients) had received 76 Gy with the BeamCath technique and the control group (57 patients) received 70 Gy employing a conformal technique. The BeamCath technique was associated with a lower median rectal (p=0.004; 50.6 Gy versus 56.2 Gy) and bladder dose (p=0.017; 48.5 Gy versus 61.5 Gy). There were no differences in scores on masculinity and sexual function. In conclusion, the BeamCath technique did not increase rectal or bladder toxicity.
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