How do you interpret PSMA/PET with focal prostate activity after XRT currently on ADT with stable PSA?

Topics: Radiation Oncology • Genitourinary Cancers • Prostate Cancer • Medical Oncology

Pretreatment PSA 25.3 with Gleason 4+3=7 and MRI suspicious for ECE. Eight months after pelvic nodal and prostate XRT to 79 Gy, PSA is 5.02 (down from 5.61 at 4 months.) PSMA PET showed focal prostate activity only.

Answer from: Radiation Oncologist at Academic Institution

The most concerning element of the case presented is that the patient’s PSA continues to be ≈ 5 while on ADT with presumably castrate levels of testosterone, which should be verified. The current PSA is one order of magnitude greater than would be expected from the effect of ADT alo...

Comments

Radiation Oncologist at Rush University Medical Center
Excellent commmentary

Radiation Oncologist at West Virginia University
Maybe this is an ignorant question but why do a PS...

Radiation Oncologist at Kansas City VA Medical Center
Agree with Dr. @Pollock.

Radiation Oncologist at Vanderbilt-Ingram Cancer Center
It's an excellent question, Dr. @Pollock. I do not...

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