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Referral and testing protocol (based on Fishbein and Nathanson6, Jimerez et al.7, Gimenez–Roqueplo et al.14, Jafri and Maher8, and Erlic et al.15). The numbering system in the boxes refers to the likelihood of identifying mutations, with 1 being most likely. Criteria in the middle should trigger a referral to oncogenetics. Pheo = pheochromocytoma; Pgl = paraganglioma; ihc = immunohistochemistry.
