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Radiation Oncology • Genitourinary Cancers
What is your bladder constraint for LDR prostate brachy?
HDR CT planned prostate brachytherapy stipulates bladder V75% Rx<1cc. What bladder constraint is used for LDR prostate brachytherapy?
Answer from: Radiation Oncologist at Academic Institution
There are typically no bladder constraints with LDR planning. The bladder itself should generally not be in the PTV.
The urethra does have important planning objectives/constraints, which depend on isotope and technique used. ABS guidelines are a good place to start.
Some people do have loose cons...
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Answer from: Radiation Oncologist at Community Practice
We try to limit bladder neck area covered by 80-85% IDL instead of 100%. Smith et al., PMID 20888139
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Radiation Oncologist at Prostate Cancer Institute of America
Know your ultrasound anatomy and don’t impla...
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