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Sparing of the penile bulb and proximal penile structures with intensity-modulated radiation therapy for prostate cancer

¹ University of Chicago/University of Illinois at Chicago Department of Radiation Oncology, 5758 S. Maryland Avenue, MC 9006, Chicago, IL 60637, ² University of Arizona, Department of Radiation Oncology, 1501 N. Campbell Avenue, Tucson, AZ 85724 and ³ University of California at Davis, Department of Radiation Oncology, 4501 X Street G126, Sacramento, CA 95817, USA

View larger version (119K): [in a new window]   Figure 1. 3D reconstruction of prostate and adjacent structures. Prostate (red), seminal vesicles (white), bladder (yellow), rectum (purple) and penile bulb and proximal penile tissues (blue).

View larger version (21K): [in a new window]   Figure 2. Dose volume constraints for intensity-modulated radiation therapy plans. (a) Initial (50 Gy) phase, and (b) boost (last 24 Gy) phase.

View larger version (18K): [in a new window]   Figure 3. Composite dose–volume histograms for 3D conformal radiotherapy and intensity-modulated radiation therapy plans for a representative patient.