“…The baseline differences among the patients in the included studies (Table 1) Nevertheless, according to the literature, 18 F-DOPA PET and PET/CT seem to be accurate methods in both adrenal [22,25,26,29] and extra-adrenal [23,24,30,31], sympathetic [22,[25][26][27] and parasympathetic [23,24,30,31], functioning [27] and non-functioning [23,26,31], metastatic and non-metastatic tumors [24,28,32]. Furthermore, 18 F-DOPA PET and PET/CT seem to be accurate methods in both sporadic and inherited PG [27,30], except in SDHB-related PG [28].…”