22 Penis cancer

Penis cancer

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THE GEC ESTROHANDBOOKOF BRACHYTHERAPY | Part II Clinical Practice Version 1 - 15/07/2022

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c Figure 6: Cylindrical applicator for surface HDR brachytherapy. Figure 7: Cylindrical applicator for surface HDR brachytherapy. a) Penis positioned and visible within applicator. 5 mm of superflab bolus was placed on the dorsal surface to ensure snug fit. The lucite cork with a concave end has been placed in the distal end of the applicator, in contact with the glans to ensure tissue equivalent bolus. A snug constriction ring can be seen at the base of the penis (under the edge of the superflab) to keep redundant penile skin from sliding into the treatment volume. b) Dose distribution: Imbedding the treatment catheters 5 mm within the applicator prevents overdose of the skin surface through direct contact. CTV is in light blue, skin dark blue, 40 Gy isodose in green and 36 Gy (yellow) centrally. c) Dose volume histogram: CTV orange, skin blue d) Clinical result 4 years later a) Penis positioned and visible within applicator. 5 mm of superflab bolus was placed on the surface to ensure a snug fit. The lucite cork with a concave end has been placed in the dis of the applicator, in contact with the glans to ensure tissue equivalent bolus. A snug const ring can be seen at the base of the penis (under the edge of the superflab) to keep redund penile skin from sliding into the treatment volume.