In what situations would a standard FDG PET/CT be useful in the evaluation of high risk prostate cancer?

Overall, my impression is that the use of FDG PET for this purpose is limited. If interested, below is my rationale as summarized in the Conclusion.

As mentioned, PSMA PET/CT is considered by many to be the current best standard of care for the staging evaluation of high-risk prostate cancer, and it ...

I would also consider an FDG PET/CT in addition to a PSMA PET/CT for nodal and distant staging work-up of a prostate adenocarcinoma with neuroendocrine differentiation.

Mostly to identify positive nodes

I’ve found it useful for ductal histology.