How do you minimize urethral dose when doing LDR prostate seed brachytherapy with small glands (<20 cc)?

Topics: Radiation Oncology • Genitourinary Cancers

Patient had neoadjuvant ADT. Are there any preferred isotopes, seed activities, etc for small prostate brachytherapy?

Answer from: Radiation Oncologist at Community Practice

These cases can be challenging, especially when you approach the 10 to 15cc range. I’ve approached them using back to back sources in the peripheral needles, and loading the central needles in a manner to minimize the 150 isodose line overlap with the urethra. One should pay special attention ...

Comments

Radiation Oncologist at University of Utah School of Medicine
These are challenging cases with LDR. We have a st...

Radiation Oncologist at Bay Pines VAMC
Any chance of post-LDR SpaceOAR deforming the impl...

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