NTUH, which focuses on its "entrees," prints a "menu" but doesn't market PET scans very strongly. Those people who actually request PET scans are then subjected to an evaluation by a physician before receiving them. The hospital also limits the number of scans it provides to only 2-3 per day.
以主打「基本款」的台大為例，雖然開出菜單，但並不特別推銷正子掃描，即使民眾要求加做正子，也須經由醫師的專業評估同意才行，且限定每日服務量以 2 至 3 人為上限。