To what dose do you treat the seminal vesicles in intermediate and high risk prostate cancer?

For men with unfavorable intermediate or high risk prostate cancer and T1c-2 disease, treatment of the SV's is recommended (following what you would do for local control if you had a RP - i.e. complete removal of the SV's) to a total dose of at least 70.2 Gy but rectum permitting (i.e. Rectal V70 < ...

I have a similar practice to that of @Dr. First Last. For all unfavorable intermediate and all high risk I take the seminal vesicle to 79.2 Gy (unless the DVH is unacceptable, which is seldom). As already stated, no data I am aware of, just oncologic principles

Jonathan Tward

Fully agree with the above. Dr. Kestin et al at Beaumont provide interesting postoperative pathologic support, especially for the intermediate to higher risk patients.

While the proximal 2 cm are at most risk from this database, if it's safe to deliver treatment to most or all of the SVs in intermed...