Purpose: Craniospinal irradiation (CSI) remains one of the most technically challenging planning processes in radiation oncology due to its long shape especially in adults and complex target volume. In addition, CSI is associated with significant acute and late morbidities. We undertook a dosimetric analysis to determine if intensity modulated radiation therapy (IMRT) could improve target coverage while sparing normal tissue structures compared to classic 3D conformal radiation (3D‐CRT) planning.

American Society for Therapeutic Radiation Oncology (ASTRO) 52nd Annual Meeting October 31 - November 4, San Diego, CA

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