Internal Immobilization: From Rectal Balloon to Hyaluronic Acid

Part of the Medical Radiology book series (MEDRAD)


Within the last decades, numerous adoptions in prostate cancer radiotherapy were implemented. Advanced techniques such as image-guided radiotherapy and (volumetric) intensity-modulated radiotherapy (VMAT/IMRT) allowed to escalate dose resulting in local doses applied of ~80 Gy and more. However, dose escalation is limited by toxicity of normal tissues, especially anorectal toxicity and as a consequence various efforts to protect the rectum such as the use of an endorectal balloon or injection/insertion of a rectal spacer (hyaluronic acid, gel, biodegradable balloon) are performed.


Hyaluronic Acid Rectal Wall Anterior Rectal Wall Rectal Toxicity Rectal Dose 
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Copyright information

© Springer-Verlag Berlin Heidelberg  2013

Authors and Affiliations

  1. 1.Klinik für Strahlentherapie, MUW Wien, Allgemeines Krankenhaus Wien 1090Austria

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