Which PET imaging modality, if any, is preferred to work up possible nodal involvement or local recurrence in prostate cancer?

In my view, better, more sensitive imaging will transform our management of prostate cancer. Soon, I believe, maybe very soon, we'll be able to detect small volume nodal metastases and small volume metastatic disease. How to manage patients with, say, a solitary, <1 cm lymph node seen on PET will be...