Pheochromocytoma

Surveillance

Type and frequency depends on low- vs high-risk status.

High-risk features

• tumor size >=5cm
• any paragangliomata (extra-adrenal)
• SDHx mutation
• plasma methoxytyramine >=3x ULN

If low-risk

• metanephrines 2-6wk s/p surgery, then dealer's choice (usu yearly)
• image if metanephrines get out of whack

If high-risk

• metanephrines and imaging, at least yearly
• dotatate vs FDG